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  • 01:22 Popular Circle in Circle. Optical illusion

    Circle in Circle. Optical illusion

    966 views / 0 likes - added

    Probably this is the first Cardano's Hypocycloid mechanical model, not animation, that model makers have ever built. This motion was described first by Nicolaus Copernicus Consider two circles of radii R and R/2 with the smaller one rolling inside the big

  • 14:39 Double Newman Diagram for Methcyclohexane

    Double Newman Diagram for Methcyclohexane

    464 views / 0 likes - added

    Double Newman Diagram for Methcyclohexane More free lessons at: http://www.khanacademy.org/video?v=I6LsWSXx8fg

  • 02:26 Sesame Street: Claire Danes has a Cookie Diagram

    Sesame Street: Claire Danes has a Cookie Diagram

    564 views / 0 likes - added

    One day you're going to be in your school's science fair and you will have to create a diagram to show how something like a volcano or a car or a cloud works. Luckily for you, you watch Sesame Street and have seen this video with Claire Danes and Cookie m

  • 04:38 How To Draw A Solar Eclipse Diagram

    How To Draw A Solar Eclipse Diagram

    80 views / 0 likes - added

    Prepare for the upcoming solar eclipse event by learning how to draw a solar eclipse diagram with me! Materials:Markers Marker paper Chapters:00:00 Introduction00:22 Let's draw a solar eclipse02:50 Time to color03:47 FinishedLinks:Official Art For Kids Hu

  • 03:06 Popular Stars and the H-R Diagram

    Stars and the H-R Diagram

    756 views / 0 likes - added

    Stars are like humans they have similarities and differences with each other but all have a finite lifetime. Royal Observatory Greenwich astronomers explain how stars can be categorised and their evolution studied by tracking their movement across a very

  • 06:59 Unit Vectors

    Unit Vectors

    685 views / 0 likes - added

    What unit vectors are and how to construct them More free lessons at: http://www.khanacademy.org/video?v=lQn7fksaDq0

  • 04:37 Constant Unit Elasticity

    Constant Unit Elasticity

    504 views / 0 likes - added

    What a demand curve with constant unit elasticity would look like More free lessons at: http://www.khanacademy.org/video?v=m7qXvQvWlY4

  • 09:54 Unit Vector Notation

    Unit Vector Notation

    548 views / 0 likes - added

    Expressing a vector as the scaled sum of unit vectors More free lessons at: http://www.khanacademy.org/video?v=FaF3v-ezbSk

  • 07:58 Unit Vectors and Engineering Notation

    Unit Vectors and Engineering Notation

    494 views / 0 likes - added

    Using unit vectors to represent the components of a vector More free lessons at: http://www.khanacademy.org/video?v=2QjdcVTgTTA

  • 06:45 How To Draw A Lunar Eclipse Diagram: Step-by-Step Drawing Guide for Kids

    How To Draw A Lunar Eclipse Diagram: Step-by-Step Drawing Guide for Kids

    331 views / 0 likes - added

    Hey there, it's Rob from Art For Kids Hub, and I'm back with my son Jack for another fun drawing tutorial! In this video, we'll show you how to create a lunar eclipse diagram, step by step. This lesson is perfect for kids, parents, and teachers to enjoy t

  • 24:16 Popular Laplace Transform of the Unit Step Function

    Laplace Transform of the Unit Step Function

    795 views / 0 likes - added

    Introduction to the unit step function and its Laplace Transform More free lessons at: http://www.khanacademy.org/video?v=4Mr7aEHQr8E

  • 05:48 Unit Conversion with Fractions

    Unit Conversion with Fractions

    423 views / 0 likes - added

    u6_l1_t1_we1 Unit Conversion with Fractions More free lessons at: http://www.khanacademy.org/video?v=jFSenp9ueaI Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 06:13 Perimeter and Unit Conversion

    Perimeter and Unit Conversion

    516 views / 0 likes - added

    u6_l2_t3_we1 Perimeter and Unit Conversion More free lessons at: http://www.khanacademy.org/video?v=q9XCrpLPfGk Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:31 Finding Unit Rates

    Finding Unit Rates

    489 views / 0 likes - added

    U04_L1_T1_we3 Finding Unit Rates More free lessons at: http://www.khanacademy.org/video?v=Zm0KaIw-35k Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 11:24 Popular Unit Conversion&Significant Figures: Crash Course Chemistry #2

    Unit Conversion&Significant Figures: Crash Course Chemistry #2

    759 views / 0 likes - added

    A unit is the frequently arbitrary designation we have given to something to convey a definite magnitude of a physical quantity and every quantity can be expressed in terms of the seven base units that are contained in the international system of units. H

  • 09:13 Popular Unit Vector Notation (part 2)

    Unit Vector Notation (part 2)

    1,796 views / 0 likes - added

    More on unit vector notation. Showing that adding the x and y components of two vectors is equivalent to adding the vectors visually using the head-to-tail method More free lessons at: http://www.khanacademy.org/video?v=595Tiga1gIg

  • 01:35 Seeing Circle Similarity Through Translation And Dilation

    Seeing Circle Similarity Through Translation And Dilation

    580 views / 0 likes - added

    Seeing circle similarity through translation and dilation

  • 07:07 Popular How Many Sides Does A Circle Have?

    How Many Sides Does A Circle Have?

    943 views / 0 likes - added

    Watch my newest video, "Could a Toothpaste Sandwich Brush Your Teeth?": https://youtu.be/OdeiWhETqQYYou probably think you know a circle. Maybe youve even thought a little bit about what a circle is and what a circle isnt. But do you know how many sides a

  • 00:47 the circle dot trick

    the circle dot trick

    168 views / 0 likes - added

    Can you figure out how to draw a circle without ever lifting your pen from the center dot and no lines in the middle?

  • 03:56 Segments Tangent To Circle From Outside Point Congruent

    Segments Tangent To Circle From Outside Point Congruent

    590 views / 0 likes - added

    Segments tangent to circle from outside point congruent

  • 09:26 Informal Argument For The Area Of Circle Formula

    Informal Argument For The Area Of Circle Formula

    686 views / 0 likes - added

    Informal argument for the area of circle formula

  • 03:00 Popular Partial circle area and arc length

    Partial circle area and arc length

    736 views / 0 likes - added

    Partial circle area and arc length

  • 03:09 Popular Circumference of a Circle

    Circumference of a Circle

    755 views / 0 likes - added

    u07_l2_t3_we2 Circumference of a Circle

  • 02:45 Area of a Circle

    Area of a Circle

    648 views / 0 likes - added

    u07_l2_t3_we3 Area of a Circle

  • 12:44 Popular IIT JEE Circle Hyperbola Intersection

    IIT JEE Circle Hyperbola Intersection

    797 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 46 Circle Hyperbola Intersection More free lessons at: http://www.khanacademy.org/video?v=6g3DPg2HqGw

  • 05:02 Popular “Circle Of Life” 360° Experience | THE LION KING On Broadway

    “Circle Of Life” 360° Experience | THE LION KING On Broadway

    803 views / 1 likes - added

    It’s the “Circle of Life” in 360° and it moves us all! Use your phone or “click and drag” to experience every angle, from backstage to the top of Pride Rock.

  • 03:45 DCappella - Circle of Life/He Lives in You

    DCappella - Circle of Life/He Lives in You

    520 views / 1 likes - added

    See Disney's The Lion King on digital today and Blu-ray 10/22! New on 4K Ultra HD. https://movies.disney.com/the-lion-king-2019Download/stream "Circle of Life/He Lives in You" by DCappella here: https://disneymusic.co/DCappellaTLKSubscribe to DCappella Yo

  • 02:01 Parts of a Circle

    Parts of a Circle

    670 views / 0 likes - added

    u07_l2_t3_we1 Parts of a Circle More free lessons at: http://www.khanacademy.org/video?v=04N79tItPEA Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 02:12 Batting Tips From An All-Star: Getting Ready In The On-Deck Circle

    Batting Tips From An All-Star: Getting Ready In The On-Deck Circle

    635 views / 0 likes - added

    This week's hitting tip from MLB Network analyst and former All-Star Harold Reynolds is all about preparation. Harold shows you how to get ready in the on-deck circle so you'll be crushing the ball once you get into the batter's box!

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  • 06:16 Popular IIT JEE Circle Hyperbola Common Tangent Part 1

    IIT JEE Circle Hyperbola Common Tangent Part 1

    763 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tan More free lessons at: http://www.khanacademy.org/video?v=MhLfun2Vask

  • 04:17 Popular Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy

    Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy

    1,602 views / 0 likes - added

    Cover figures with square units to find their area. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/area-basics/e/measuring-area-with-unit-squares?utm_source=YT&utm_medium=Desc&utm_campa

  • 03:35 Popular Sesame Street: Bert and Ernie's Circle Song

    Sesame Street: Bert and Ernie's Circle Song

    894 views / 1 likes - added

    Bert and Ernie have a perfectly round circle, but what else can a circle be? Could it be a pizza pie or a sun in the sky? Could it be a wheel on a car or a bike? Use your imagination as you sing along with Ernie. Subscribe to the Sesame Street Channel her

  • 10:45 Popular IIT JEE Circle Hyperbola Common Tangent Part 2

    IIT JEE Circle Hyperbola Common Tangent Part 2

    724 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tangent Part 2 More free lessons at: http://www.khanacademy.org/video?v=0imeUgSxR10

  • 08:55 Popular IIT JEE Circle Hyperbola Common Tangent Part 3

    IIT JEE Circle Hyperbola Common Tangent Part 3

    707 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tangent Part 3 More free lessons at: http://www.khanacademy.org/video?v=RomnHMWSLoE

  • 10:36 Popular IIT JEE Circle Hyperbola Common Tangent Part 4

    IIT JEE Circle Hyperbola Common Tangent Part 4

    711 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tangent Part 4 More free lessons at: http://www.khanacademy.org/video?v=eGo8C2Jshzs

  • 12:17 Popular IIT JEE Circle Hyperbola Common Tangent Part 5

    IIT JEE Circle Hyperbola Common Tangent Part 5

    873 views / 0 likes - added

    2010 IIT JEE Paper 1 Problem 45 Circle Hyperbola Common Tangent Part 5 More free lessons at: http://www.khanacademy.org/video?v=rPoqpQcgNv4

  • 00:58 Stacking Pringles In a Circle

    Stacking Pringles In a Circle

    365 views / 0 likes - added

    I stack Pringles in a circle to measure their curvatureSee the full video here: https://www.youtube.com/watch?v=apJtZX39i80Subscribe to my man channel here: https://www.youtube.com/channel/UC1VLQPn9cYSqx8plbk9RxxQ#shorts

  • 07:55 Starting To Set Up A Newtonian Space Time Diagram

    Starting To Set Up A Newtonian Space Time Diagram

    538 views / 0 likes - added

  • 17:35 Popular Bell's Theorem: The Quantum Venn Diagram Paradox

    Bell's Theorem: The Quantum Venn Diagram Paradox

    880 views / 0 likes - added

    Featuring 3Blue1Brown Watch the 2nd video on 3Blue1Brown here: https://www.youtube.com/watch?v=MzRCDLre1b4 Support MinutePhysics on Patreon! http://www.patreon.com/minutephysics Link to Patreon Supporters: http://www.minutephysics.com/supporters/ This vid

  • 21:07 Minecraft - Space Den - Diagram 2.0 (47)

    Minecraft - Space Den - Diagram 2.0 (47)

    334 views / 0 likes - added

    Welcome to Space Den. In this series, Sqaishey and I survive, explore and build in our lunar home. I hope you enjoy. Playlist - https://www.youtube.com/playlist?list=PLEZiAg2bYC7kxNg5rwfcH8RQbsBkBxi__Sqaishey's channel - https://www.youtube.com/sqaishey T

  • 03:25 Popular Most dominoes toppled in a circle - Guinness World Records

    Most dominoes toppled in a circle - Guinness World Records

    821 views / 1 likes - added

    ► Subscribe for more || http://po.st/GWR-Subscribe ► Watch the GWR’s Favourites || http://po.st/GWRFavs The Incredible Science Machine team recently toppled a spectacular Guinness World Records title at their annual event in Westland, Michigan, USA.

  • 11:38 Popular The Central Processing Unit (CPU): Crash Course Computer Science #7

    The Central Processing Unit (CPU): Crash Course Computer Science #7

    1,140 views / 0 likes - added

    Take the 2017 PBS Digital Studios Survey: http://surveymonkey.com/r/pbsds2017. Today we’re going to build the ticking heart of every computer - the Central Processing Unit or CPU. The CPU’s job is to execute the programs we know and love - you know like G

  • 02:39 Popular Do You Want To Build A Snowman (from "Frozen") - Disney's Circle of Stars

    Do You Want To Build A Snowman (from "Frozen") - Disney's Circle of Stars

    1,268 views / 2 likes - added

    “Do You Want to Build a Snowman” from the Frozen soundtrack is available now! Get it here: http://smarturl.it/fsa1 Sheet Music: http://bit.ly/1UFpbVw Music video by Disney's Circle of Stars performing Do You Want to Build a Snowman?. (C) 2014

  • 12:52 A more perfect unit: The New Mole | EXPERIMENTALS: Moles (part 2)

    A more perfect unit: The New Mole | EXPERIMENTALS: Moles (part 2)

    445 views / 0 likes - added

    THE MOLE—as in 6.02214076×10^23, the unit in chemistry used to count really really tiny stuff like atoms and molecules. Well, THE MOLE changed (it's not simply 6.022x10^23 anymore). And while you may not have noticed it, a fundamental shift in

  • 01:46 Popular Crazy Circle Illusion!

    Crazy Circle Illusion!

    767 views / 0 likes - added

    Add me on Facebook. (click LIKE on Facebook to add me) "http://www.facebook.com/brusspup Download the song in this video: Song name "Monolith" iTunes: https://itunes.apple.com/us/album/monolith-single/id596457486 Amazon: http://www.amazon.com/Monolith-bru

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  • 09:17 Popular Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

    Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

    1,880 views / 0 likes - added

    Metric unit conversion Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/metric-system-tutorial/v/converting-within-the-metric-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? http

  • 01:33 Popular See How An Insane 7-Circle Roundabout Actually Works | WIRED

    See How An Insane 7-Circle Roundabout Actually Works | WIRED

    903 views / 0 likes - added

    Your first thought upon seeing Swindon's 'magic roundabout' might be: man, the Brits have really lost the plot lately. But this thing—which is actually seven roundabouts in one—has been working for 60 years. Still haven’t subscribed to WIRED on YouTube? ►

  • 03:11 The Circle Visible From Space

    The Circle Visible From Space

    449 views / 0 likes - added

    Mount Taranaki, on the North Island of New Zealand, is a large-scale circle that's visible from space: a stratovolcano with six miles of forest around it. But that didn't happen naturally. Oh, and there's a good chance that, in the next fifty years or so,

  • 00:30 See a Full circle Rainbow

    See a Full circle Rainbow

    547 views / 1 likes - added

    A huge full circle rainbow was shot in the cabin of a crane in St Petersburg, Russia while construction crews work on the Lakhta Center skyscraper (462 m). С высоты небоскреба Лахта Центр можно увидеть не только панорамы Санкт-Петербура, но и интересные э

    Featured
  • 03:51 Craig of the Creek | The Circle Game | Cartoon Network UK

    Craig of the Creek | The Circle Game | Cartoon Network UK

    246 views / 1 likes - added

    When votes to change the "circle game" don't go Craig's way he realizes what he must do to change itWatch more Craig of the Creek videos - https://www.youtube.com/playlist?list=PLJRBd5RNL15E0AY0xR1l6hljZhDpzTcoqWelcome to the official Cartoon Network UK Y

  • 04:23 Kevin and Ben at the Races! | Vin Diagram | Ben 10 | Cartoon Network

    Kevin and Ben at the Races! | Vin Diagram | Ben 10 | Cartoon Network

    244 views / 0 likes - added

    Click to watch more: http://bit.ly/37pnjv8When Ben sees Vin Ethanol impressed with Kevin's automotive know-how, Ben's jealousy has him convinced that he has to out-do Kevin before the older boy influences Vin to embrace his bad-guy side at a charity race.

  • 03:09 Reading Pie Graphs (Circle Graphs)

    Reading Pie Graphs (Circle Graphs)

    638 views / 0 likes - added

    u08_l1_t2_we1 Reading Pie Graphs (Circle Graphs) More free lessons at: http://www.khanacademy.org/video?v=4JqH55rLGKY Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education

  • 07:26 Popular The Boy Who Cried Wolf - W/ GabeBabeTV - Story Circle At Cool School

    The Boy Who Cried Wolf - W/ GabeBabeTV - Story Circle At Cool School

    773 views / 1 likes - added

    Watch "Cinderella" here: http://bit.ly/1BO0pYV Check out "The Boy Who Cried Wolf" here at The Story Circle at Cool School! Gabrielle, Chad, and Ceej from GabeBabeTV join us to put a new spin on a favorite classic! See more with GabeBabeTV here: https://ww

  • 02:49 Circle Equations — Harder Example | Math | New SAT | Khan Academy

    Circle Equations — Harder Example | Math | New SAT | Khan Academy

    658 views / 0 likes - added

    Watch Sal work through a harder Circle equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pr

  • 01:53 Popular Circle Equations — Basic Example | Math | New SAT | Khan Academy

    Circle Equations — Basic Example | Math | New SAT | Khan Academy

    779 views / 0 likes - added

    Watch Sal work through a basic Circle equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s8-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre

  • 04:10 Popular Circle Theorems — Harder Example | Math | New SAT | Khan Academy

    Circle Theorems — Harder Example | Math | New SAT | Khan Academy

    1,494 views / 0 likes - added

    Watch Sal work through a harder Circle theorems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s8-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre

  • 04:28 Popular Circle Theorems — Basic Example | Math | New SAT | Khan Academy

    Circle Theorems — Basic Example | Math | New SAT | Khan Academy

    1,364 views / 0 likes - added

    Watch Sal work through a basic Circle theorems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s5-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev

  • 36:21 Popular Cinderella, Rapunzel, The Jungle Book & Other Story Circle Fairy Tales! - Compilation

    Cinderella, Rapunzel, The Jungle Book & Other Story Circle Fairy Tales! - Compilation

    914 views / 2 likes - added

    36 minute compilation of Story Circle fairy tales. Watch and listen to Rapunzel, The Frog Prince, The Jungle Book, The Boy Who Cried Wolf, Cinderella, The Night Before Christmas, and The Little Red Hen. Stories are read by your favorite YouTube families l

  • 43:00 Popular Peter Pan, Pinocchio, Hansel And Gretel & Other Story Circle Fairy Tales! - Compilation

    Peter Pan, Pinocchio, Hansel And Gretel & Other Story Circle Fairy Tales! - Compilation

    887 views / 2 likes - added

    43 minute compilation of Story Circle fairy tales. Watch and listen to Peter Pan, Pinocchio, Hansel and Gretel, Jack and the Beanstalk, Sleepy Hollow, Thumbelina, Little Red Riding Hood, and Tortoise and the Hare. Stories are read by your favorite YouTube

  • 09:47 Calculating dot and cross products with unit vector notation

    Calculating dot and cross products with unit vector notation

    586 views / 0 likes - added

    Calculating the dot and cross products when vectors are presented in their x, y, and z (or i,j, and k) components. More free lessons at: http://www.khanacademy.org/video?v=enr7JqvehJs

  • 15:11 Singapore Math: Grade 3a Unit 1 (part 2)

    Singapore Math: Grade 3a Unit 1 (part 2)

    501 views / 0 likes - added

    Objectives: Read and write numbers less than 10,000. Relate each digit in a 4-digit number to its place value.

  • 13:18 Singapore Math: Grade 3a, Unit 1 (part 3)

    Singapore Math: Grade 3a, Unit 1 (part 3)

    621 views / 0 likes - added

    Objectives: Read and write numbers less than 10,000. Relate each digit in a 4-digit number to its place value. Compare and order numbers within 10,000.

  • 12:24 Singapore Math: Grade 3a, Unit 1 (part 4)

    Singapore Math: Grade 3a, Unit 1 (part 4)

    461 views / 0 likes - added

    More on place value

  • 13:07 Singapore Math: Grade 3a, Unit 1 (part 5)

    Singapore Math: Grade 3a, Unit 1 (part 5)

    463 views / 0 likes - added

    Even more on place value

  • 15:44 Singapore Math: Grade 3a, Unit 1 (part 6)

    Singapore Math: Grade 3a, Unit 1 (part 6)

    481 views / 0 likes - added

    Ordering numbers using place value

  • 13:06 Singapore Math: Grade 3a, Unit 1 (part 7)

    Singapore Math: Grade 3a, Unit 1 (part 7)

    488 views / 0 likes - added

    Place value, ordering numbers, number patterns

  • 15:39 Singapore Math: Grade 3a, Unit 1 (part 8)

    Singapore Math: Grade 3a, Unit 1 (part 8)

    468 views / 0 likes - added

    More on number patterns with place value.

  • 17:53 Singapore Math: Grade 3a, Unit 1 (part 9)

    Singapore Math: Grade 3a, Unit 1 (part 9)

    501 views / 0 likes - added

    More number patterns with place value

  • 14:26 Singapore Math: Grade 3a Unit 2 (part 1)

    Singapore Math: Grade 3a Unit 2 (part 1)

    605 views / 0 likes - added

    The sum of and difference between 2 numbers.

  • 09:57 Singapore Math: Grade 3a Unit 2 (part 3)

    Singapore Math: Grade 3a Unit 2 (part 3)

    476 views / 0 likes - added

    A man selling balloons at a carnival.

  • 13:04 Singapore Math: Grade 3a Unit 2 (part 4)

    Singapore Math: Grade 3a Unit 2 (part 4)

    453 views / 0 likes - added

    Some more word problems

  • 14:18 Singapore Math: Grade 3a Unit 2 (part 5)

    Singapore Math: Grade 3a Unit 2 (part 5)

    495 views / 0 likes - added

    Adding 4 digit numbers

  • 13:54 Singapore Math: Grade 3a Unit 2 (part 6)

    Singapore Math: Grade 3a Unit 2 (part 6)

    427 views / 0 likes - added

    More adding of 4 digit numbers

  • 12:13 Singapore Math: Grade 3a Unit 2 (part 7)

    Singapore Math: Grade 3a Unit 2 (part 7)

    445 views / 0 likes - added

    Even more adding of 4-digit numbers

  • 15:02 Singapore Math: Grade 3a Unit 2 (part 8)

    Singapore Math: Grade 3a Unit 2 (part 8)

    453 views / 0 likes - added

    Subtracting 4-digit numbers

  • 13:07 Singapore Math: Grade 3a Unit 2 (part 9)

    Singapore Math: Grade 3a Unit 2 (part 9)

    501 views / 0 likes - added

    More on subtracting 4-digit numbers

  • 11:31 Singapore Math: Grade 3a Unit 2 (part 10)

    Singapore Math: Grade 3a Unit 2 (part 10)

    586 views / 0 likes - added

    Some final 4 digit subtraction problems.

  • 12:16 Singapore Math:  Grade 3a Unit 2 (part 11)

    Singapore Math: Grade 3a Unit 2 (part 11)

    550 views / 0 likes - added

    Some 2-step word problems.

  • 07:20 Go Inside an Anti-Poaching Unit in Kenya to See How They Protect Sea Turtles

    Go Inside an Anti-Poaching Unit in Kenya to See How They Protect Sea Turtles

    47 views / 0 likes - added

    Sammy Safari is a ranger with Bahari Hai, a marine conservation nonprofit organization that works to empower coastal communities to manage and protect their own resources in East Africa. Sammy runs an anti-poaching team that protects sea turtles. This is

  • 01:20 Proof Without Words: The Circle

    Proof Without Words: The Circle

    526 views / 0 likes - added

    Prove πR² using only beads and a ruler! I first saw this proof in an article by Russell Jay Hendel, Dowling College: http://bit.ly/LQlwQw minutephysics is now on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter -

  • 04:34 Drawing Elephants - The Circle of Life

    Drawing Elephants - The Circle of Life

    579 views / 0 likes - added

    Here it is everyone, my completed drawing of these magnificent animals. If you’ve been following me you know it’s been quite some time since I began this project, 5 months ago. I remember when I came across the photo by David Yarrow and right away I felt

  • 20:00 Anything You Can Fit In The Circle Ill Pay For

    Anything You Can Fit In The Circle Ill Pay For

    485 views / 5 likes - added

    Watch until the end to see how much i spentNew Merch - https://shopmrbeast.com/SUBSCRIBE OR I TAKE YOUR DOG----------------------------------------------------------------follow all of these or i will kick you Facebook - https://www.facebook.com/MrBeast60

  • 07:28 Learn TIPS on How to Practice Drawing Circle BETTER

    Learn TIPS on How to Practice Drawing Circle BETTER

    382 views / 0 likes - added

    If you want to Learn How to Draw Circles Better, Practice is key! I hope my tips on how to make your practice more productive on drawing circles helpful. You can do it Cuties and get better! SUPPLIES You Might Love (Amazon affiliate links): Sharpies: http

  • 26:39 Minecraft Xbox - Fancy Circle [598]

    Minecraft Xbox - Fancy Circle [598]

    570 views / 1 likes - added

    Welcome to my Let's Play of the Xbox 360 Edition of Minecraft. These videos will showcase what I have been getting up to in Minecraft and everything I have built. In this episode I continue building my park in my Lovely World. Twitter - @stampylongnose In

  • 19:26 Popular Last To Leave Circle Wins $500,000

    Last To Leave Circle Wins $500,000

    2,337 views / 18 likes - added

    THIS WAS THE CRAZIEST THING IVE EVER DONE!Get $10 of Bitcoin when you join Coinbase using my code:https://coinbase.com/mrbeast | Code: MRBEASTTerms: After your photo ID is verified, $10 in BTC calculated at the time of reward will be added to your portfol

  • 15:03 Popular Last To Leave Circle Wins $1,000

    Last To Leave Circle Wins $1,000

    838 views / 2 likes - added

    I can't believe they actually did this! NEW NINJA MERCH http://www.ninjakidz.store Request a personalized video: https://www.cameo.com/ninja_kidz_tv Join the Ninja Club and become a Ninja! https://www.ninja-kidz.com/Follow Us: INSTAGRAM @NinjaKidzTV https

  • ELEPHANT from "Circle of Life" - THE LION KING

    ELEPHANT from "Circle of Life" - THE LION KING

    288 views / 0 likes - added

    Get tickets: http://www.lionking.com/ticketsSubscribe to Disney on Broadway: http://www.youtube.com/DisneyOnBroadwayTHE LION KING continues ascendant as one of the most popular stage musicals in the world, with a worldwide gross exceeds that of any film,

  • 06:51 Popular Stacking Pringles in a Complete Circle—The Amazing Physics of Stacking

    Stacking Pringles in a Complete Circle—The Amazing Physics of Stacking

    922 views / 2 likes - added

    In this video I make a Pringle Ringle! I talk about the physics of stacking and talk about how it is possible to stack something in a circle. I even talk about how to stack sticks to get the maximum projection. Watch this amazing stacking feat and even tr

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  • 05:30 Anything You Can Fit In The Circle I'll Donate To Charity

    Anything You Can Fit In The Circle I'll Donate To Charity

    452 views / 1 likes - added

    This video is brought to you by ZipRecruiter a job site that uses smart technology to help people discover their next great opportunity. Go to https://www.ziprecruiter.com/MrBeast to learn more.Beast Philanthropy Video Disclaimer:This video was produced b

  • 19:41 Popular Minecraft Xbox - Lion King - The Circle Of Life (1)

    Minecraft Xbox - Lion King - The Circle Of Life (1)

    1,099 views / 3 likes - added

    Part 2 - https://youtu.be/R31TfHGCJl0 Welcome to a Minecraft lets play on a Lion King themed adventure map on the Xbox edition of Minecraft. In this series I will play through the entire map with Ballistic Squid. Map builders: https://www.youtube.com/chan

  • 25:32 Minecraft PS4 - The Circle Of Life - Flats Back (6)

    Minecraft PS4 - The Circle Of Life - Flats Back (6)

    559 views / 0 likes - added

    Welcome to my series doing the flats back challenge. In this challenge I have to complete 4 levels of challenges on a special custom superflat world. Playlist - https://www.youtube.com/playlist?list=PLEZiAg2bYC7lmd5TOehtbpfvaLJ3eJdXM See The Stampy Flat C

  • 25:38 I Stayed In A Glass Igloo In The Arctic Circle

    I Stayed In A Glass Igloo In The Arctic Circle

    135 views / 0 likes - added

    HELLO FRIENDS!! Welcome to the final installment of our Nordic/Scandinavian trip - the Glass Igloos in Finland! So far on our trip, we have taken a communal hot bath at the Blue Lagoon in Iceland, nearly cryogenically frozen ourselves at the ICEHOTEL in S

  • 17:52 Popular Survive 100 Days In Circle, Win $500,000

    Survive 100 Days In Circle, Win $500,000

    2,467 views / 14 likes - added

    Sign up for Venmo and use the code MRBEAST to get $20 (no code needed if signing up on desktop). Get Venmo http://venmo.me/mrbeast New Merch - https://shopmrbeast.com/SUBSCRIBE OR I TAKE YOUR DOG -----------------------------------------------------------

  • 03:59 It's the circle of life | The Picnic | Gumball | Cartoon Network

    It's the circle of life | The Picnic | Gumball | Cartoon Network

    24 views / 0 likes - added

    Click to watch more of The Amazing World of Gumball - https://www.youtube.com/watch?v=Fu2BjEH4u84&list=PL77ED97B132C66551Gumball, the amusing blue cat with a giant head and his best buddy Darwin, a pet goldfish who sprouted legs, step up the hilarity and

  • 08:38 This Solar-Powered Plane Can Circle the Globe Without Stopping | That’s Amazing

    This Solar-Powered Plane Can Circle the Globe Without Stopping | That’s Amazing

    470 views / 0 likes - added

    Some dreams are so fantastic, it takes an unprecedented bid for adventure and glory to see them blossom to fruition. Bertrand Piccard and André Borschberg, captivated by the spirit of great expeditions of the past, partnered to make the first flight acros

  • 03:08 Popular Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy

    Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy

    1,667 views / 1 likes - added

    Don't let multiplying whole numbers and fractions get you down. We got this. This explanation will help you become a pro. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/multiplyin

  • 15:31 Singapore Math: Grade 3a, Unit 1 (part 1)

    Singapore Math: Grade 3a, Unit 1 (part 1)

    499 views / 0 likes - added

    Objectives: Read and write numbers less than 10,000. Relate each 4-digit number to its place value.

  • 13:07 Singapore Math: Grade 3a Unit 2 (part 2)

    Singapore Math: Grade 3a Unit 2 (part 2)

    511 views / 0 likes - added

    Word problem with cookies

  • 02:59 The famous unfinished prehistoric stone circle at Cultoon on the island of Islay Argyll Scotland UK

    The famous unfinished prehistoric stone circle at Cultoon on the island of Islay Argyll Scotland UK

    210 views / 0 likes - added

    Filmed 7.10.20 https://www.britainexpress.com/scotland/Strathclyde/ancient/cultoon.htm

  • 10:22 Popular Can A Circle Be A Straight Line? | Space Time | PBS Digital Studios

    Can A Circle Be A Straight Line? | Space Time | PBS Digital Studios

    1,424 views / 0 likes - added

    Want to ask some sort of crazy question about Space?: Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Let us know what topics you want to le

  • 01:43 Why a Perfect Circle is not a Perfect Loop

    Why a Perfect Circle is not a Perfect Loop

    678 views / 1 likes - added

    Ever wonder why roller coaster loops aren't perfectly circular? Explore the design behind a vertical loop with a marble track, a bucket full of water, and some paper cutouts. Built with Quercetti Skyrail marble roller coaster track. Filmed in California w

  • 15:24 PV-diagrams and Expansion Work

    PV-diagrams and Expansion Work

    549 views / 0 likes - added

    Why work from expansion is the area under the curve of a PV-diagram More free lessons at: http://www.khanacademy.org/video?v=M5uOIy-JTmo

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    Time Dilation

    783 views / 0 likes - added

    We'll start thinking about time dilation in special relativity and how a Loedel diagram can help up appreciate symmetry between inertial frames.

  • 04:34 Amazing Demonstration Of A Giant Newton's Cradle!

    Amazing Demonstration Of A Giant Newton's Cradle!

    463 views / 0 likes - added

    Add me on Facebook: Click the LIKE button on Facebook to add me (http://www.facebook.com/brusspup)Thank you to http://www.giantnewtonscradle.com/ for loaning me this unit. Here are some stats for the unit seen in the video:- 17"w x 14"h x 10"d- Laser Cut

  • 04:05 The Twins Paradox Hands-On Explanation | Special Relativity Ch. 8

    The Twins Paradox Hands-On Explanation | Special Relativity Ch. 8

    566 views / 0 likes - added

    Go to http://brilliant.org/MinutePhysics for 20% off a premium subscription to Brilliant! Mark Rober's youtube channel: https://www.youtube.com/markrober This video is chapter 8 in my series on special relativity, and it presents a hands-on explanation of

  • 38:41 Popular Converting Units With Conversion Factors - Metric System Review & Dimensional Analysis

    Converting Units With Conversion Factors - Metric System Review & Dimensional Analysis

    1,456 views / 0 likes - added

    This metric system review video tutorial provides an overview / review of how to convert from one unit to another using a technique called dimensional analysis or the factor label method. It shows you how perform conversions with SI units in the metric sy

  • 00:59 Spirographs by Mary Wagner

    Spirographs by Mary Wagner

    368 views / 0 likes - added

    If you want to get into this artist's inner circle, you may get a little dizzy!

  • 10:08 Introduction to centripetal acceleration (part 1)

    Introduction to centripetal acceleration (part 1)

    496 views / 0 likes - added

    Intuition behind what it takes to make something travel in a circle

  • 08:03 Popular Cell Theory

    Cell Theory

    1,899 views / 1 likes - added

    Introduction to cell theory--the idea that 1) all living things are made of one or more cells, 2) cells are the basic unit of life and 3) all cells come from other cells. Explore the roles that Hooke, Leeuwenhoek and others played in developing Cell Theor

  • 05:50 Popular Thermodynamics - Explaining the Triple Point

    Thermodynamics - Explaining the Triple Point

    1,060 views / 0 likes - added

    This experiment demonstrates the triple point of a substance. Watch how water behaves at the triple point where it co-exists in solid, liquid and vapour form. There is also a short description of where the triple point lies on a P-T-diagram. Created by me

  • 02:45 Popular Amazing Magnetic Levitation Device!

    Amazing Magnetic Levitation Device!

    796 views / 1 likes - added

    Add me on Facebook. (Hit LIKE on Facebook to add me) http://www.facebook.com/brusspup CLM 2 magnetic levitation module provided by Crealev. For more information on Crealev magnetic levitation products please visit: http://www.crealev.com Download the musi

  • 54:07 Popular Logic Gates, Truth Tables, Boolean Algebra   AND, OR, NOT, NAND & NOR

    Logic Gates, Truth Tables, Boolean Algebra AND, OR, NOT, NAND & NOR

    1,369 views / 0 likes - added

    This electronics video provides a basic introduction into logic gates, truth tables, and simplifying boolean algebra expressions. It discusses logic gates such as the AND, OR, NOT, NAND and NOR Gates. This video is for college students who are taking intr

  • 10:16 Popular How a Computer CPU Chip is Made

    How a Computer CPU Chip is Made

    902 views / 0 likes - added

    How a CPU is Made - CPU Manufacturing Central Processing Unit Subscribe Here because amazing videos will come soon: http://www.youtube.com/user/benyamin225?sub_confirmation=1 FaceBook: http://www.facebook.com/hadronmesons Visit HadronMesons Channel for mo

  • 02:49 Persistence Of Vision

    Persistence Of Vision

    309 views / 0 likes - added

    Everything is not as it first appears. This simple plastic ball looks purple until you swing it in a circle and reveal its true nature. Inside are three light emitting diodes (LEDs), which are red, green and blue. They turn on and off in sequence very qui

  • 02:33 Finding Your Blind Spot

    Finding Your Blind Spot

    657 views / 0 likes - added

    Deane shows how to find the blind spot in each eye. He uses a sheet of card, a balloon model and a diagram to explain the process. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH CURIOSITY Facebook ➤ http://www

  • 13:20 Popular What Shape Do YOU See? The Most Incredible Optical Illusion!

    What Shape Do YOU See? The Most Incredible Optical Illusion!

    1,158 views / 0 likes - added

    Do you see a diamond or a cirlce? This ambiguous cylinder illusion is one the most INCREDIBLE optical illusions that exist! These are my favorite 3D illusions. You won't believe your eyes! Make one shape turn to another shape. Turn circles into squares. S

  • 09:58 Popular How to calculate the force between THREE charges

    How to calculate the force between THREE charges

    1,263 views / 0 likes - added

    You've been asked to calculate the force on a charge. Easy right? Just use Coulomb's law. BUT WAIT! There are THREE charges! Ahh! This video walks you through every detail of how to go about solving this problem so you can ace that exam question. Watch th

  • 00:55 Why does ice float? | SciShow Kids

    Why does ice float? | SciShow Kids

    93 views / 0 likes - added

    Hosted by: Jessi Knudsen Castaeda (she/her/they/them)Kaitie Janecke Soltesz: WriterKyle Nackers: Fact CheckerJD Voyek: Script EditorMadison Lynn: VideographerStefan Chin: EditorAndrew Smith: Sound DesignerSavannah Geary: Associate ProducerDaniel Comiskey:

  • 08:55 Learn To Swallow Pills Easily. The New Method of Swallowing

    Learn To Swallow Pills Easily. The New Method of Swallowing

    124 views / 0 likes - added

    Over the last 5 years, Bonnie Kaplan and her students in the Behavioural Research Unit / Dept of Paediatrics have worked with hundreds of children and adults to develop a new way to learn how to swallow pills. Their method, based on head posture, is helpi

  • 05:01 Popular How to Draw a 3d City: Line Paper Anamorphic Drawing

    How to Draw a 3d City: Line Paper Anamorphic Drawing

    1,257 views / 4 likes - added

    See How to Draw 3d City. Subscribe for a new drawing every Saturday: https://www.youtube.com/circlelineartschool See how to draw an anamorphic hole 3d optical illusion on line paper. Visit https://www.circlelineartschool.com to learn more. Watch Next: Opt

  • 09:04 Meet the avalanche rescue dogs of Mount Bachelor

    Meet the avalanche rescue dogs of Mount Bachelor

    147 views / 0 likes - added

    At Mount Bachelor in Oregon, there's a special unit of workers dedicated just to avalanche rescueand the training starts young! An inside look at Bachelor's own avalanche dog program that trains canines to find buried skiers and snowboarders.Subscribe to

  • 05:49 Solving For Unknown Angle

    Solving For Unknown Angle

    569 views / 0 likes - added

    Solving for unknown angle. One method using an inscribed angle intercepting a diameter of a circle.

  • 23:13 Popular Liberty's Kids 124 - Vally Forge

    Liberty's Kids 124 - Vally Forge

    927 views / 2 likes - added

    James, Sarah and Henri are there as George Washington and his Continental Army endure a horrible winter at Valley Forge. Baron von Stueben drafts a training program for the army and helps Washington's troops become a professional fighting unit. Lafayette

  • 5,000 Exoplanets: Listen to the Sounds of Discovery (NASA Data Sonification)

    5,000 Exoplanets: Listen to the Sounds of Discovery (NASA Data Sonification)

    98 views / 0 likes - added

    On March 21, 2022, the number of known exoplanets passed 5,000 according to the NASA Exoplanet Archive. This animation and sonification tracks humanity's discovery of the planets beyond our solar system over time. Turning NASA data into sounds allows user

  • 03:50 Testing the Third Thumb

    Testing the Third Thumb

    16 views / 0 likes - added

    Learn more here: https://www.cam.ac.uk/stories/third-thumbHow easily could you get to grips with a third thumb?The Plasticity Lab at the MRC Cognition and Brain Sciences Unit (@MRCCBU) tested Dani Clode's robotic Third Thumb device @royalsociety Summer Ex

  • 00:56 Farts Are Limitless #shorts

    Farts Are Limitless #shorts

    177 views / 0 likes - added

    be careful what you blow out your #shortsJeans escape diagram from https://en.wikipedia.org/wiki/Atmospheric_escape#/media/File:Jeans_escape.pngEarth oxygen on the moon:https://www.sciencemag.org/news/2017/01/earth-sending-oxygen-moonhttps://www.sciencefo

  • 10:41 Stars: Crash Course Astronomy #26

    Stars: Crash Course Astronomy #26

    649 views / 0 likes - added

    Today Phil’s explaining the stars and how they can be categorized using their spectra. Together with their distance, this provides a wealth of information about them including their luminosity, size, and temperature. The HR diagram plots stars’ luminosity

  • 24:49 Popular Static Friction and Kinetic Friction Physics Problems With Free Body Diagrams

    Static Friction and Kinetic Friction Physics Problems With Free Body Diagrams

    1,089 views / 0 likes - added

    This physics video tutorial provides a basic introduction into kinetic friction and static friction. It contains plenty of examples and physics problems that asks you to calculate the acceleration using newton's laws of motion. The static frictional force

  • 14:03 Popular How To Draw A Tank (For Young Artists)

    How To Draw A Tank (For Young Artists)

    760 views / 2 likes - added

    This is a super fun construction paper cutout activity for young artists. We work on drawing the circle shape plus cutting and glueing...seriously does it get more fun than this? EMAIL A PHOTO OF YOUR ART: myart@artforkidshub.com MAIL US YOUR ART: Art for

  • 06:54 Housing Conundrum (part 4)

    Housing Conundrum (part 4)

    542 views / 0 likes - added

    The virtuous circle of housing price appreciation making defaults go down making lending lax making housing appreciate even more More free lessons at: http://www.khanacademy.org/video?v=s6UYa2nwaDw

  • 07:52 Popular How To Draw A Cartoon Police Car

    How To Draw A Cartoon Police Car

    1,092 views / 3 likes - added

    Today's lesson is perfect for younger artists! We're learning how to draw a cartoon police car. We're practicing our circle and rectangle shapes. EMAIL A PHOTO OF YOUR ART: myart@artforkidshub.com MAIL US YOUR ART: Art for Kids Hub P.O. Box 927 Pleasant G

  • 05:57 Popular How To Draw Laughing Emoji

    How To Draw Laughing Emoji

    2,272 views / 10 likes - added

    Jack and I are learning how to draw the laughing emoji. We hope you're going to follow along with us! You'll need paper, marker, oil pastels and a bowl. The bowl is to trace around so we can draw a perfect circle.

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  • 04:12 Popular Inside Your Computer - Bettina Bair

    Inside Your Computer - Bettina Bair

    860 views / 2 likes - added

    View full lesson: http://ed.ted.com/lessons/inside-your-computer-bettina-bair How does a computer work? The critical components of a computer are the peripherals (including the mouse), the input/output subsystem (which controls what and how much informati

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  • 03:11 Popular Circular Motion Demonstration With Sparkler

    Circular Motion Demonstration With Sparkler

    834 views / 0 likes - added

    Couple of simple circular motion demonstrations to show students that the instantaneous velocity of an object moving in uniform circular motion is at a tangent to the circle. The film was shot and edited by Ed Prosser and David Sang advised on the script.

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  • 04:39 Popular Using hair to measure acceleration due to gravity

    Using hair to measure acceleration due to gravity

    832 views / 0 likes - added

    Learn more about gravity and solve fun problems at https://brilliant.org/tibees/ In this video I calculate a value for g, the acceleration due to gravity, by treating my hair as a simple pendulum. Uncertainty analysis was done following the method outline

  • 04:11 Crafting Cell Diagrams

    Crafting Cell Diagrams

    612 views / 1 likes - added

    Create your own little cells! Diagram: https://drive.google.com/file/d/0B-GbYsz_QH2WMmFUUlVaaGVpdEE/view?usp=sharing -- Sci Files posts all kinds of science videos, from experiments to explanations. Learn the science behind what's happening in the world t

  • 06:44 WORLD’S MOST AMAZING ARCHER In Slow Motion - Smarter Every Day 130

    WORLD’S MOST AMAZING ARCHER In Slow Motion - Smarter Every Day 130

    573 views / 0 likes - added

    Tweet this: http://bit.ly/1EXAQ85 Post to FB: http://on.fb.me/1zu4InX Buy a shave kit at www.harrys.com and use the promo code SMARTER Next video with Byron: The Archer's Paradox. ⇊⇊⇊⇊⇊ More info Below ⇊⇊⇊⇊⇊ Comment thread on Reddit: http://bit.ly/1GCoZ0t

  • 39:33 Best of Cool School Villains - Compilation | Captain Hook, Evil Witch, Rumpelstiltskin, & More!

    Best of Cool School Villains - Compilation | Captain Hook, Evil Witch, Rumpelstiltskin, & More!

    570 views / 1 likes - added

    What does it mean to be a villain? Watch 39 minutes of Cool School's best villains to find out! Comment below with your favorite story! Peter Pan - New Story - GabeBabeTV on The Story Circle - http://bit.ly/28IVVte Villains + Superheroes + Super Powers +

  • 06:59 Popular Calculating Toy Motor Horsepower  Activity  // Homemade Science with Bruce Yeany

    Calculating Toy Motor Horsepower Activity // Homemade Science with Bruce Yeany

    859 views / 0 likes - added

    Calculating the Tumble Buggy horsepower. These cars are very popular in the physical science classroom, they are cheap, sold by several outlets and hold up fairly well with a bit of care. As part of our study of energy and power studies, I had my middle s

  • 08:21 LOONEY TUNES (Looney Toons): A Corny Concerto (Bugs Bunny) [ULTRA HD 4K Cartoons for Children]

    LOONEY TUNES (Looney Toons): A Corny Concerto (Bugs Bunny) [ULTRA HD 4K Cartoons for Children]

    697 views / 0 likes - added

    This video streams up to Ultra HD 4k (2160p). A Corny Concerto is an American animated cartoon short produced by Leon Schlesinger Productions and distributed by Warner Bros. It was directed by Bob Clampett, written by Frank Tashlin, animated by Robert McK

  • 08:51 Why This Taste Map Is Wrong | WIRED

    Why This Taste Map Is Wrong | WIRED

    417 views / 2 likes - added

    We've all seen the famous "taste map," a diagram of the human tongue that separates different sections based on taste, with examples like sweet, sour, salty, and umami. Robert Margolskee, director and president at Monell Chemical Senses Center, explains w

  • 03:17 Why Bathroom Sensors Suck

    Why Bathroom Sensors Suck

    490 views / 0 likes - added

    Despite being introduced for hygiene and ease, automatic toilets can be extremely frustrating, either flushing too soon or not at all. We found out why bathroom sensors malfunction so often and a few simple fixes for the issues. Tech Insider tells you all

  • 01:36 This expanding house is ready in 10 minutes

    This expanding house is ready in 10 minutes

    427 views / 0 likes - added

    Ten Fold Engineering, a UK-based company, has built an expandable-house prototype. The unit can be trucked to any location and set up in minutes. Video courtesy of Ten Fold Engineering. Read more: http://www.businessinsider.com/sai FACEBOOK: https://www.f

  • 02:28 Popular How To Visualize One Part Per Million

    How To Visualize One Part Per Million

    908 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/how-to-visualize-one-part-per-million-kim-preshoff-the-ted-ed-community “Parts per million” is a scientific unit of measurement that counts the number of units of one substance per one million units of another.

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  • 03:20 Popular What are Pronouns?

    What are Pronouns?

    1,234 views / 3 likes - added

    This video teaches what pronouns are, how they reduce repetition in writing, and the three rules of pronoun-antecedent agreement. Check out all the educational videos from Flocabulary, often called the "Schoolhouse Rock" of the 21st Century, at http://flo

  • 01:08 Popular Pasta Quake | Science Snack Activity

    Pasta Quake | Science Snack Activity

    703 views / 0 likes - added

    The energy released in an earthquake ranges over many orders of magnitude. Earthquakes are measured on a magnitude scale that is exponential: Each additional unit multiplies the energy released by 32. In this Snack, breaking spaghetti creates a “pasta mag

  • 03:36 You Are A Fish

    You Are A Fish

    498 views / 0 likes - added

    We built the Tree of Life Explorer! Check it out here: https://labs.minutelabs.io/Tree-of-Life-Explorer/ And watch our video about why we made it: https://www.youtube.com/watch?v=3eE2fCLay-Q With our current understanding of evolutionary history and our s

  • 04:01 Popular Animated Science. Episode 5. Periodic Table

    Animated Science. Episode 5. Periodic Table

    934 views / 0 likes - added

    2019 has been declared the International Year of the Periodic Table (IYPT 2019) by the United Nations, to commemorate the 150th anniversary of the creation of the periodic table of chemical elements. In this fifth chapter of Animated Science, we see the m

  • 03:00 Popular Internet Safety Hip-Hop Song

    Internet Safety Hip-Hop Song

    2,277 views / 4 likes - added

    This video explains essential internet security and safety, how to create strong usernames and passwords, when to ask a trusted adult for help and how to keep smartphones and computers safe from viruses. Check out all the educational videos from Flocabula

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  • 01:38 Watch 3D printed objects appear in the middle of a gel

    Watch 3D printed objects appear in the middle of a gel

    379 views / 0 likes - added

    Ghostly 3D printer sculpts “The Thinker” before your eyes. Learn more: https://www.sciencemag.org/news/2019/01/star-trek-replicator-creates-entire-objects-minutes Read the paper ($): http://science.sciencemag.org/lookup/doi/10.1126/science.aau7114 CREDITS

  • 10:33 TELEVISION: HOW IT WORKS  1952 CORONET INSTRUCTIONAL FILM   CATHODE RAY TUBE  ORTHICON XD39134

    TELEVISION: HOW IT WORKS 1952 CORONET INSTRUCTIONAL FILM CATHODE RAY TUBE ORTHICON XD39134

    239 views / 0 likes - added

    Want to support this channel and help us preserve old films? Visit https://www.patreon.com/PeriscopeFilm Visit our website www.PeriscopeFilm.com This black-and-white educational film from 1952, “Television: How it Works” was created with educa

  • 01:09 Popular Fidget spinner spinning in space!

    Fidget spinner spinning in space!

    854 views / 0 likes - added

    A fidget spinner in space! How long does it spin? I'm not sure, but it’s a great way to experiment with Newton’s laws of motion! Allowing the fidget spinner to float reduces the bearing friction by permitting the rate of the central ring and o

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  • 02:06 Sadness As An Orangutan Tries To Fight The Bulldozer Destroying Its Habitat

    Sadness As An Orangutan Tries To Fight The Bulldozer Destroying Its Habitat

    587 views / 3 likes - added

    Footage recently released by International Animal Rescue, shows harrowing footage of an orangutan trying to fight off a bulldozer destroying its habitat. As loggers smash the base of a tree in the Ketapang District, West Borneo, heart-breaking video shows

  • 03:52 These simple steps can help prevent heat-related fatalities

    These simple steps can help prevent heat-related fatalities

    119 views / 0 likes - added

    During the summer of 2020, kids living in a small town above the Arctic Circle took a dip in the lake. The region had reached an unprecedented 38C. But its not all fun and games: Increased heat exposure is poised to impact the health of over 4 billion peo

  • 10:33 Strange Spheres in Higher Dimensions - Numberphile

    Strange Spheres in Higher Dimensions - Numberphile

    424 views / 0 likes - added

    Squarespace (including 10% off): https://www.squarespace.com/numberphile Video features Matt Parker. More links & stuff in full description below ↓↓↓ Parker CIRCLE T-Shirts and Mugs (torment Matt at his live shows!): https://teespring.com/stores/parker-ci

  • 05:36 Inside Earth's Doomsday Seed Vault

    Inside Earth's Doomsday Seed Vault

    334 views / 0 likes - added

    Located in the arctic circle, The Global Seed Vault isn't simply just a large storage facility for seeds from around the world. The vault is protecting the world's agricultural genetic diversity and protecting our future food supply in case of catastrophe

  • 07:17 Length Contraction and Time Dilation | Special Relativity Ch. 5

    Length Contraction and Time Dilation | Special Relativity Ch. 5

    567 views / 0 likes - added

    Go to http://brilliant.org/MinutePhysics for 20% off a premium subscription to Brilliant! Mark Rober's youtube channel: https://www.youtube.com/markrober This video is chapter 5 in my series on special relativity, and it covers how things that are moving

  • 05:07 Popular Relativistic Addition of Velocity | Special Relativity Ch. 6

    Relativistic Addition of Velocity | Special Relativity Ch. 6

    1,049 views / 0 likes - added

    Go to http://brilliant.org/MinutePhysics for 20% off a premium subscription to Brilliant! Mark Rober's youtube channel: https://www.youtube.com/markrober This video is chapter 6 in my series on special relativity, and it covers the topic of relativistic a

  • 02:08 Google Lens is pretty amazing

    Google Lens is pretty amazing

    522 views / 0 likes - added

    For more, visit http://phandroid.com Follow us! http://twitter.com/phandroid Circle us! https://plus.google.com/+phandroid/ Like us! http://www.facebook.com/phandroid Follow us! http://phandroids.tumblr.com/

  • 04:50 The Fundamentals Of Space-time: Part 2 - Andrew Pontzen And Tom Whyntie

    The Fundamentals Of Space-time: Part 2 - Andrew Pontzen And Tom Whyntie

    628 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/the-fundamentals-of-space-time-part-2-andrew-pontzen-and-tom-whyntie View part 1 here: http://ed.ted.com/lessons/the-fundamentals-of-space-time-part-1-andrew-pontzen-and-tom-whyntie View part 3 here: http://ed.t

  • 03:55 Sesame Street: The Missing M (Law & Order Parody)

    Sesame Street: The Missing M (Law & Order Parody)

    630 views / 0 likes - added

    When the letter M goes missing, it's up to the Special Letters Unit to crack the case in this Sesame Street parody of Law & Order! -- Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fu

  • 04:58 Sat nav - without a satellite - in 1971? | Tomorrow's World | Retro Tech | BBC Archive

    Sat nav - without a satellite - in 1971? | Tomorrow's World | Retro Tech | BBC Archive

    154 views / 0 likes - added

    Michael Rodd demonstrates an extraordinary new invention that could transform the way drivers negotiate the roads forever. A nifty control unit reads information from the car's milometer and relays instructions to the driver using pre-recorded phrases sto

  • 01:45 Popular Renewable Energy - Powered by Poop | California Academy of Sciences

    Renewable Energy - Powered by Poop | California Academy of Sciences

    975 views / 0 likes - added

    In this Flipside Science unit, designed for a middle school audience, we'll explore environmental issues related to energy use and conservation. In our most recent installment, find out how a dairy farm is using a methane digester to turn cow poop into el

  • 01:02 The Wandering Circles

    The Wandering Circles

    406 views / 0 likes - added

    Finalist of the Best Illusion of the Year Contest 2015Christopher Blair, Lars Strother, and Gideon Caplovitz: The Wandering Circles. University of Nevada, Reno (USA)Flickering circles with a light and dark side at their edge (also known as Craik-OBrien-Co

  • 05:23 The 10 Weirdest Things in the Solar System

    The 10 Weirdest Things in the Solar System

    598 views / 0 likes - added

    Pierogi moons, rubber duckie comets and spewing ice balls: We have some very strange neighbors among the myriad planets, moons and objects that circle our sun. Scientific American editors Lee Billings and Michael Lemonick pick the pasta shaped moons Pan a

  • 07:26 Popular Spacetime Intervals: Not EVERYTHING is Relative | Special Relativity Ch. 7

    Spacetime Intervals: Not EVERYTHING is Relative | Special Relativity Ch. 7

    975 views / 0 likes - added

    Go to http://brilliant.org/MinutePhysics for 20% off a premium subscription to Brilliant! Mark Rober's youtube channel: https://www.youtube.com/markrober This video is chapter 7 in my series on special relativity, and it covers the idea that some things A

  • 03:14 Do Photons Cast Shadows?

    Do Photons Cast Shadows?

    539 views / 0 likes - added

    Thanks to CuriosityStream for their support. Go to http://www.curiositystream.com/minutephysics to watch Particle Fever and get Nebula! Support MinutePhysics on Patreon! http://www.patreon.com/minutephysicsLink to Patreon Supporters: http://www.minutephys

  • 01:00 The Craziest Fact I Know - String Around The Earth Puzzle

    The Craziest Fact I Know - String Around The Earth Puzzle

    69 views / 1 likes - added

    The String girdling Earth is a mathematical puzzle with a counterintuitive solution. In a version of this puzzle, string is tightly wrapped around the equator of a perfectly spherical Earth. If the string should be raised 1 meter (3 ft 3 in) off the groun

  • How to Draw a Hole on Line Paper: Simple Trick Art

    How to Draw a Hole on Line Paper: Simple Trick Art

    129 views / 1 likes - added

    Learn How to Draw a Hole on Line Paper. Draw simple trick art, really easy anamorphic art, narrated. Subscribe for more of my art videos: http://www.youtube.com/circlelineartschoolCircle Line Art School: Episode 239How to Draw a Hole on Line Paper: Simple

  • 12:18 Lorentz Transformations | Special Relativity Ch. 3

    Lorentz Transformations | Special Relativity Ch. 3

    564 views / 0 likes - added

    Go to http://brilliant.org/MinutePhysics for 20% off a premium subscription to Brilliant! Mark Rober's youtube channel: https://www.youtube.com/markrober The previous videos in this series: Chapter 1: Why Relativity is Hard https://www.youtube.com/watch?v

  • 09:32 Contractarianism: Crash Course Philosophy #37

    Contractarianism: Crash Course Philosophy #37

    672 views / 0 likes - added

    Today we explore the penultimate ethical theory in this unit: contractarianism. Hank explains Hobbes’ state of nature, and implicit and explicit contracts, as well as the Prisoner’s Dilemma, and the benefits, and costs, of violating contracts. Get your ow

  • 11:50 Recycled Styrofoam Air Conditioner

    Recycled Styrofoam Air Conditioner

    629 views / 0 likes - added

    Today we're building a DIY Air Conditioner unit made popular by Household Hacker and adding our own tweaks to hopefully make it function even better! Check out the Household Hacker's AC video: https://goo.gl/tBtgvk Subscribe & “Ring the Bell”: https://goo

  • 09:42 Popular Electric Charge: Crash Course Physics #25

    Electric Charge: Crash Course Physics #25

    813 views / 2 likes - added

    Moving on to our unit on the Physics of Electricity, it's time to talk about charge. What is charge? Is there a positive and negative charge? What do those things mean? In this episode, Shini talks about electrostatic forces, electrical charge, Coulomb's

  • 03:51 Popular Army Ants Rampage Through The Forest  - The Hunt - BBC Earth

    Army Ants Rampage Through The Forest - The Hunt - BBC Earth

    944 views / 1 likes - added

    Boasting a sensory system of 2 million antennae, this colony of Army Ants are a formidable proposition for anything alive which may cross their path. These dynamic insects, despite being blind, are able to transcend their size by working as a complete uni

  • 02:40 There’s a new aurora in subpolar skies. Its name is Steve

    There’s a new aurora in subpolar skies. Its name is Steve

    410 views / 0 likes - added

    Satellite fly-by reveals charged particles moving at nearly 6 kilometers per second. Read more - http://scim.ag/2Dryqnf CREDITS ------------------------- editor/animator/narrator Chris Burns supervising producers Sarah Crespi Nguyên Khôi Nguyên script Sar

  • 05:27 WORLD'S WEIRDEST EGGS?! | Maddie Moate

    WORLD'S WEIRDEST EGGS?! | Maddie Moate

    544 views / 1 likes - added

    Happy Easter everyone! Not all eggs are egg shaped! Take a look at some of these amazing animal eggs and the bizarre (but awesome) breeding behaviours surrounding them! Subscribe for more: http://bit.ly/1kPjJZL ME! SNAPCHAT: maddiemoate1 TWITTER: http://w

  • 05:43 Popular Ho Ho Holiday Hacks | FOOD HACKS FOR KIDS

    Ho Ho Holiday Hacks | FOOD HACKS FOR KIDS

    744 views / 3 likes - added

    Shanynn’s here to spread some hungry holiday cheer! Check out her cookie snow globes, magnificent macaron ornaments, and cute cocoa toppers! Hacky holidays! ~Incredible Edible Snow Globes~ You will need... Sugar Cookie dough Flour Rolling pin 2 circle coo

  • 00:37 What is the fall equinox? | SciShow Kids

    What is the fall equinox? | SciShow Kids

    69 views / 0 likes - added

    Hosted by: Sam SchultzKaitie Janecke Soltesz: WriterKyle Nackers: Fact CheckerJD Voyek: Script EditorMadison Lynn: VideographerStefan Chin: EditorJosef "Tuna" Metesh: Sound DesignerAimee Roberts: Art DirectorDaniel Comiskey: Editorial DirectorSavannah Gea

  • 08:26 How phone calls used to be routed by people. The Step-By-Step Switch, 1951.

    How phone calls used to be routed by people. The Step-By-Step Switch, 1951.

    429 views / 0 likes - added

    See more from the AT&T Archives at http://techchannel.att.com/archives The purpose of this film was to show employees, back in 1951, how calls were automatically switched through an SxS office. This film gives a general appreciation of the importance,

  • 01:13 Popular Pizza ATM

    Pizza ATM

    899 views / 0 likes - added

    A high-tech Pizza ATM is the latest dining option for students at The Ohio State University. The new Pizza ATM is located on the second floor of Morrill Tower and is open from 11 a.m. to 8 p.m. for student meal plan holders and 11 a.m. to 4 p.m. for gener

  • 03:45 The Infinite Life Of Pi - Reynaldo Lopes

    The Infinite Life Of Pi - Reynaldo Lopes

    598 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/the-infinite-life-of-pi-reynaldo-lopes The ratio of a circle's circumference to its diameter is always the same: 3.14159... and on and on (literally!) forever. This irrational number, pi, has an infinite number

  • 09:13 Indiana Jones & Pascal's Wager: Crash Course Philosophy #15

    Indiana Jones & Pascal's Wager: Crash Course Philosophy #15

    693 views / 0 likes - added

    Today we conclude our unit on Philosophy of Religion and Hank gets a little help from Indiana Jones to explain religious pragmatism and Pascal’s Wager, fideism, and Kierkegaard’s leap to faith. -- “Indiana Jones” © Copyright Walt Disney Studios All other

  • 09:07 Where Does Your Mind Reside?: Crash Course Philosophy #22

    Where Does Your Mind Reside?: Crash Course Philosophy #22

    670 views / 0 likes - added

    Today we continue our unit on identity by asking where the mind resides. Hank explains the mind body problem and several approaches to the question of where our minds reside, including reductive physicalism, substance dualism, and mysterianism. Get your o

  • 09:13 Popular Anselm And The Argument For God: Crash Course Philosophy #9

    Anselm And The Argument For God: Crash Course Philosophy #9

    816 views / 0 likes - added

    Today we are introducing a new area of philosophy – philosophy of religion. We are starting this unit off with Anselm’s argument for God’s existence, while also considering objections to that argument. -- “That’s a Neigh” David Goehring https://www.flickr

  • 14:08 Popular DNA, Hot Pockets,&The Longest Word Ever: Crash Course Biology #11

    DNA, Hot Pockets,&The Longest Word Ever: Crash Course Biology #11

    1,135 views / 0 likes - added

    Hank imagines himself breaking into the Hot Pockets factory to steal their secret recipes and instruction manuals in order to help us understand how the processes known as DNA transcription and translation allow our cells to build proteins. Crash Course B

  • 10:26 Popular Aquinas And The Cosmological Arguments: Crash Course Philosophy #10

    Aquinas And The Cosmological Arguments: Crash Course Philosophy #10

    747 views / 0 likes - added

    Our unit on the philosophy of religion and the existence of god continues with Thomas Aquinas. Today, we consider his first four arguments: the cosmological arguments. -- Images and video via VideoBlocks or Wikimedia Commons, licensed under Creative Commo

  • 06:07 How Drones Are Fighting Poaching in South Africa

    How Drones Are Fighting Poaching in South Africa

    270 views / 0 likes - added

    The immense density of the rainforest is one of its more incredible defining characteristics, so this company uses a combination of drones and advanced AI technology to spot poachers and stop them before any animals are harmed. Subscribe to Seeker! http:/

  • 03:48 Relativity of Simultaneity | Special Relativity Ch. 4

    Relativity of Simultaneity | Special Relativity Ch. 4

    426 views / 0 likes - added

    Go to http://brilliant.org/MinutePhysics for 20% off a premium subscription to Brilliant! Mark Rober's youtube channel: https://www.youtube.com/markrober The previous videos in this series: Chapter 1: Why Relativity is Hard https://www.youtube.com/watch?v

  • 01:22 Popular Bach, Prelude in C-sharp major, WTC I, BWV 848

    Bach, Prelude in C-sharp major, WTC I, BWV 848

    803 views / 0 likes - added

    The prelude in C-sharp major from the first book of J. S. Bach's Well-Tempered Clavier, performed by Kimiko Ishizaka, with an animated graphical score. FAQ Q: Please tell me more about this recording. A: Kimiko Ishizaka recorded all the preludes and fugue

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  • 24:23 The First Computer Program

    The First Computer Program

    449 views / 1 likes - added

    Ada's famous paper - Sketch of the Analytical Engine: http://www.fourmilab.ch/babbage/sketch.htmlDiagram for the computation of Bernoulli numbers: https://commons.wikimedia.org/wiki/File:Diagram_for_the_computation_of_Bernoulli_numbers.jpgTimestamps:0:00

  • 30:22 Basic Math For Everyday Life

    Basic Math For Everyday Life

    263 views / 0 likes - added

    This math video tutorial explains how to perform simple addition, subtraction, multiplication, and long division. Here is a list of topics:My Website: https://www.video-tutor.netPatreon: https://www.patreon.com/MathScienceTutorAmazon Store: https://www.am

  • 11:09 Popular Top 10 Maps That Will Change The Way You See The World

    Top 10 Maps That Will Change The Way You See The World

    1,113 views / 0 likes - added

    From politics to pop culture to history, maps can teach us exactly what people think and thought. Prepare to be amazed by these top 10 maps that will change how you see the world. Subscribe for more! ► https://goo.gl/pgcoq1 ◄ Stay updated ► https://goo.gl

  • 11:23 7 MAGIC TRICKS for WINTER (REVEALED)

    7 MAGIC TRICKS for WINTER (REVEALED)

    468 views / 2 likes - added

    Winter is coming! Warm up your magic wands for this wintertime special of How To Magic! Learn how to do magic tricks with snow, ice and more holiday-season inspired illusions in this extra amazing (and cold) episode with Evan Era! Create a snowstorm indoo

  • 03:39 Could You Eat So Much That Your Stomach Explodes?

    Could You Eat So Much That Your Stomach Explodes?

    604 views / 0 likes - added

    Have you ever wondered how much food your stomach can hold? Turns out, it’s not a simple answer. Also, your brain and stomach are ALWAYS talking. -- Video By Tom McNamara Editor Jason Lederman Based On Interviews With David Levinthal, MD Director, Neuroga

  • 09:22 Popular Aristotle & Virtue Theory: Crash Course Philosophy #38

    Aristotle & Virtue Theory: Crash Course Philosophy #38

    1,040 views / 0 likes - added

    This week we explore final ethical theory in this unit: Aristotle’s virtue theory. Hank explains the Golden Mean, and how it exists as the midpoint between vices of excess and deficiency. We’ll also discuss moral exemplars, and introduce the concept of “e

  • 08:11 What I Learned From President Obama - Smarter Every Day 151

    What I Learned From President Obama - Smarter Every Day 151

    612 views / 0 likes - added

    Want to tweet this? ▶ http://bit.ly/DestinObama Click here if you're interested in subscribing▶ http://bit.ly/Subscribe2SED Get a free audio book! http://www.audible.com/Smarter ▼ Click below for more links! ▼ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GET SMARTER SECT

  • 01:31 Popular This 1950s car had an extra wheel to help with parking

    This 1950s car had an extra wheel to help with parking

    704 views / 0 likes - added

    The Park-Car was invented by Brooks Walker in the 1930s and patented in the 1950s. The car included a fifth wheel that allowed it to rotate in and out of parking spaces, as well as turn in a full circle. Read more: http://www.businessinsider.com/sai FACEB

  • 09:57 Popular How Seawater Sabotages Ships: Crash Course Engineering #43

    How Seawater Sabotages Ships: Crash Course Engineering #43

    1,138 views / 0 likes - added

    This week were headed out to sea for some marine engineering. How do we design ships to handle aquatic environments? How do we deal with marine life and corrosion and all of the other problems that come with engineering in the ocean? How can large maritim

  • 13:37 An Actually Good Explanation of Moles

    An Actually Good Explanation of Moles

    618 views / 0 likes - added

    The first 200 people to sign up at https://brilliant.org/stevemould/ will get 20% off an annual subscription that gives you access to the full archive of Daily Challenges and every single courseMoles (in chemistry) are really clever and useful. The defini

  • 02:46 Meissner Effect

    Meissner Effect

    477 views / 0 likes - added

    A permanent magnet begins to hover above a ceramic material as it cools and transitions to a superconducting state; the magnet remains aloft until the ceramic warms above a critical temperature. The ceramic material is a 25mm disc of yttrium barium copper

  • 09:37 Popular FINDING NEMO CAKE - NERDY NUMMIES

    FINDING NEMO CAKE - NERDY NUMMIES

    921 views / 6 likes - added

    Today I made a Finding Nemo cake in celebration of the Finding Dory movie coming out! I really enjoy making nerdy themed goodies and decorating them. I'm not a pro, but I love baking as a hobby. Please let me know what kind of treat you would like me to m

  • 09:34 Popular Metaethics: Crash Course Philosophy #32

    Metaethics: Crash Course Philosophy #32

    911 views / 0 likes - added

    We begin our unit on ethics with a look at metaethics. Hank explains three forms of moral realism – moral absolutism, and cultural relativism, including the difference between descriptive and normative cultural relativism – and moral subjectivism, which i

  • 07:44 How one little boat (and me) held up miles of London traffic

    How one little boat (and me) held up miles of London traffic

    218 views / 0 likes - added

    Tower Bridge is a tourist attraction these days: but first and foremost, it's a working, lifting bridge. And river traffic comes first. Thanks to the Tower Bridge team: they have details of their tours here: https://www.towerbridge.org.uk/Produced by: Cam

  • 05:48 Calculating Pi With Darts

    Calculating Pi With Darts

    547 views / 0 likes - added

    Subscribe to Veritasium http://youtube.com/veritasium Instagram: http://instagram.com/thephysicsgirl Physics Girl: http://physicsgirl.org/ Facebook: http://facebook.com/thephysicsgirl Twitter: http://twitter.com/thephysicsgirl Pi can be calculated using a


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