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# Search Results: "Defining the angle between vectors"

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• 25:11

### Defining the angle between vectors

256 views / 0 likes - added

Introducing the idea of an angle between two vectors More free lessons at: http://www.khanacademy.org/video?v=5AWob_z74Ks

• 02:39

### Optimal angle for a projectile part 3 - Horizontal distance as a function of angle (and speed)

211 views / 0 likes - added

Horizontal distance as a function of angle (and speed) More free lessons at: http://www.khanacademy.org/video?v=-h_x8TwC1ik

• 18:09

### Proof: Relationship between cross product and sin of angle

277 views / 1 likes - added

Proof: Relationship between the cross product and sin of angle between vectors More free lessons at: http://www.khanacademy.org/video?v=7MKA2QlKvHc

• 05:49

### Solving For Unknown Angle

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

• 10:06

### Defining a Factorial Function

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Defining a function in Python

• 06:17

### Explicitly Defining Function For Arithmetic Sequence

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Explicitly defining function for arithmetic sequence

• 05:38

### Defining Geometric Sequence Explicitly And Recursively

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Defining geometric sequence explicitly and recursively

• 06:37

### Equivalent Vectors Examples

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Equivalent vectors examples

• 02:55

### Example Comparing X Components Of Vectors

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Example comparing x components of vectors

• 07:42

320 views / 0 likes - added

• 09:01

### Angles Of Vectors From Components

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Angles of vectors from components

• 05:41

### Understanding Multiplying Vectors By Scalars

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Understanding multiplying vectors by scalars

• 06:22

### Visually Adding And Subtracting Vectors

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• 03:59

### Vectors and Scalars - Physics

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Learn the difference between vectors and scalars in this simple tutorial. Vectors have direction while scalars do not. You will be a physics expert in no time. My name is Chris and my passion is to teach math. Learning should never be a struggle which is

• 06:59

### Unit Vectors

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

• 12:54

### Visualizing Vectors in 2 Dimensions

199 views / 0 likes - added

Visualizing, adding and breaking down vectors in 2 dimensions More free lessons at: http://www.khanacademy.org/video?v=xp6ibuI8UuQ

• 07:22

### Angle Of X' Axis In Minkowski Spacetime

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Angle of x' axis in Minkowski spacetime

• 02:10

### Finding Inscribed Angle Measure

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Finding inscribed angle measure

• 08:45

### Line And Angle Proofs Exercise

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Line and angle proofs exercise

• 08:39

### Introduction to Vectors and Scalars

184 views / 0 likes - added

Distance, displacement, speed and velocity. Difference between vectors and scalars More free lessons at: http://www.khanacademy.org/video?v=ihNZlp7iUHE

• 07:58

### Unit Vectors and Engineering Notation

207 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

• 10:41

### Optimal angle for a projectile part 4 Finding the optimal angle and distance with a bit of calculu

185 views / 0 likes - added

• 06:43

### IIT JEE Position Vectors

360 views / 0 likes - added

2010 IIT JEE Paper 1 problem 32 Position Vectors More free lessons at: http://www.khanacademy.org/video?v=GDXyGy5TjnI

• 12:47

### Projectile at an Angle

162 views / 0 likes - added

Figuring out the horizontal displacement for a projectile launched at an angle More free lessons at: http://www.khanacademy.org/video?v=ZZ39o1rAZWY

• 04:47

### Angle of repose…Physics of toys // Homemade Science with Bruce Yeany

212 views / 0 likes - added

The angle of repose or critical angle of repose is how steep various types of materials can be piled without slumping. The steepness of the side of a pile is determined by the amount of friction between the particles of matter. This can vary according to

• 13:57

### Linear Algebra: Gram-Schmidt example with 3 basis vectors

347 views / 0 likes - added

Gram-Schmidt example with 3 basis vectors More free lessons at: http://www.khanacademy.org/video?v=ZRRG386v6DI

• 04:12

### Optimal angle for a projectile part 2 - Hangtime

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Optimal angle for a projectile part 2 - Hangtime More free lessons at: http://www.khanacademy.org/video?v=XtAB9GOfLiM

• 03:50

### Defining Cyberwarfare...in Hopes Of Preventing It - Daniel Garrie

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View full lesson: http://ed.ted.com/lessons/defining-cyberwarfare-in-hopes-of-preventing-it-daniel-garrie Can you imagine a future where wars are fought not with bombs and bullets but computer viruses and pacemaker shutdowns? Cyberware is unique in that i

• 01:22

### A Man Call Elephant In Different Angle

151 views / 0 likes - added

Watch it again, from a different angle. This time, we can watch him call the elephants from a far distance away at Elephant Nature Park. Learn More : http://www.saveelephant.org Facebook : https://www.facebook.com/elephantnewsonline

• 02:46

### Defining Rotation Example | Transformations | Geometry | Khan Academy

271 views / 0 likes - added

Defining rotation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/defining-rotations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson

• 07:43

### How To Trisect An Angle With Origami - Numberphile

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Zsuzsanna Dancso trisects an angle using origami - follows on from this video about Euclidean geometry: http://youtu.be/6Lm9EHhbJAY Special thanks to the Patreon supporters listed below: Herschal Sanders (from Susan) Lê OK Merli Alex Bozzi Thomas J

• 10:06

### Vectors And 2D Motion: Crash Course Physics #4

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Continuing in our journey of understanding motion, direction, and velocity... today, Shini introduces the ideas of Vectors and Scalars so we can better understand how to figure out motion in 2 Dimensions. But what does that have to do with baseball? Or tw

• 11:50

### The Golden Angle - Christmas Lectures with Ian Stewart

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Thr golden angle is a mathematical concept, closely related to the golden ratio and Fibonacci numbers. Where can you find it and how is it formed? Subscribe for regular science videos: http://bit.ly/RiSubscRibe Watch the full lecture: http://www.rigb.org/

• 03:12

### Defining Gravity: Crash Course Kids #4.1

512 views / 1 likes - added

So, if gravity pulls everything down, then why don't things on the bottom of the Earth get pulled down into space? In this episode of Crash Course Kids, Sabrina talks about gravity and explains that when we talk about gravity pulling things down, what we

• 03:40

### Defining A Problem: Crash Course Kids #18.1

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So, how do engineers even figure out what problem needs to get fixed? And what's the difference between identifying a problem and just complaining about something. In this episode of Crash Course Kids, Sabrina talks about how we can all be better Engineer

• 03:59

### Defining Success: Crash Course Kids #18.2

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In our last episode, Sabrina talked about how Engineers define the problems they need to solve. But how do you know when you've actually solved a problem? What do you expect to happen that would equal success? In this episode, Sabrina chats about how Engi

• 13:53

### Defining a plane in R3 with a point and normal vector

337 views / 0 likes - added

Determining the equation for a plane in R3 using a point on the plane and a normal vector More free lessons at: http://www.khanacademy.org/video?v=UJxgcVaNTqY

• 07:46

### Math Antics - Angle Basics

423 views / 0 likes - added

• 05:50

### Optimal angle for a projectile part 1

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• 27:01

### Lin Alg: Representing vectors in Rn using subspace members

297 views / 0 likes - added

Showing that any member of Rn can be represented as a unique sum of a vector in subspace V and a vector in the orthogonal complement of V. More free lessons at: http://www.khanacademy.org/video?v=M6lFqkqvUgo

• 09:13

### Unit Vector Notation (part 2)

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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

• 04:41

### What is a vector? - David Huynh

224 views / 0 likes - added

View full lesson: http://ed.ted.com/lessons/what-is-a-vector-david-huynh Physicists, air traffic controllers, and video game creators all have at least one thing in common: vectors. But what exactly are they, and why do they matter? David Huynh explains h

• 08:28

### Finding X and Y Intercepts on a Graph (TTP Video 31)

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Defining and finding the X and Y intercepts when given a graph.

• 10:14

### Calculus Proof that a=v^2/r

231 views / 0 likes - added

Using calculus and vectors to show that centripetal acceleration = v^2/r

• 09:20

### 2 dimensional projectile motion (part 1)

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Using vectors to solve 2 dimensional projectile motion problems

• 07:34

### Vector Forces

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Easy to understand 3D animations explaining force vectors.

• 14:25

### Vector Triple Product Expansion (very optional)

381 views / 0 likes - added

A shortcut for having to evaluate the cross product of three vectors More free lessons at: http://www.khanacademy.org/video?v=b7JTVLc_aMk

• 18:53

### Linear Algebra: Vector Triangle Inequality

249 views / 0 likes - added

Proving the triangle inequality for vectors in Rn More free lessons at: http://www.khanacademy.org/video?v=PsNidCBr5II

• 05:56

### Basic Trigonometry II

299 views / 0 likes - added

Another example of figuring out the sine, cosine, and tangent of an angle in a right triangle

• 21:10

### Matrix Vector Products

298 views / 0 likes - added

Defining and understanding what it means to take the product of a matrix and a vector More free lessons at: http://www.khanacademy.org/video?v=7Mo4S2wyMg4

• 18:20

### Linear Algebra: Formula for 2x2 inverse

298 views / 0 likes - added

Figuring out the formula for a 2x2 matrix. Defining the determinant. More free lessons at: http://www.khanacademy.org/video?v=eEUK_ThrHuQ

• 11:16

### Linear Algebra: Introduction to Orthonormal Bases

320 views / 0 likes - added

Looking at sets and bases that are orthonormal -- or where all the vectors have length 1 and are orthogonal to each other. More free lessons at: http://www.khanacademy.org/video?v=7BFx8pt2aTQ

• 20:35

### Linear Combinations and Span

209 views / 0 likes - added

Understanding linear combinations and spans of vectors More free lessons at: http://www.khanacademy.org/video?v=Qm_OS-8COwU

• 16:53

### Span and Linear Independence Example

218 views / 0 likes - added

Determining whether 3 vectors are linearly independent and/or span R3 More free lessons at: http://www.khanacademy.org/video?v=9kW6zFK5E5c

• 09:54

### Unit Vector Notation

197 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

• 09:47

### Calculating dot and cross products with unit vector notation

198 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

• 14:20

### Matrices to solve a vector combination problem

230 views / 0 likes - added

Using matrices to figure out if some combination of 2 vectors can create a 3rd vector More free lessons at: http://www.khanacademy.org/video?v=gsNgdVdAT1o

• 05:24

86 views / 0 likes - added

3D visualization of partial derivatives and gradient vectors. My Patreon account is at https://www.patreon.com/EugeneK

• 11:35

### Null Space 3: Relation to Linear Independence

248 views / 0 likes - added

Understanding how the null space of a matrix relates to the linear independence of its column vectors More free lessons at: http://www.khanacademy.org/video?v=vFctYRhK2M0

• 18:40

### Linear Algebra: nxn Determinant

296 views / 0 likes - added

Defining the determinant for nxn matrices. An exampled of a 4x4 determinant. More free lessons at: http://www.khanacademy.org/video?v=H9BWRYJNIv4

• 12:07

### Linear Algebra: Transpose of a Vector

279 views / 0 likes - added

Transpose of a column vector. Matrix-matrix products using vectors More free lessons at: http://www.khanacademy.org/video?v=lSoaMCNKfAg

• 05:02

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

323 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.

• 21:38

### Linear Algebra: Determinant and area of a parallelogram

400 views / 0 likes - added

Realizing that the determinant of a 2x2 matrix is equal to the area of the parallelogram defined by the column vectors of the matrix More free lessons at: http://www.khanacademy.org/video?v=n-S63_goDFg

• 03:12

### Science Artist Uses Math to Make Sculptures

185 views / 0 likes - added

John Muntean has been creating magic angle sculptures since 1986. At first, the sculpture just looks like an abstract piece. When rotated at the magic angle and lit from above, a three-part masterpiece emerges. See more from John Muntean: https://www.jvmu

• 04:08

### Cross Product and Dot Product: Visual explanation

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Visual interpretation of the cross product and the dot product of two vectors. My Patreon page: https://www.patreon.com/EugeneK

• 07:55

### Total Internal Reflection

196 views / 0 likes - added

Critical incident angle and total internal reflection More free lessons at: http://www.khanacademy.org/video?v=WRuatAcd2WY

• 08:36

### Aerodynamics - How airplanes fly, maneuver, and land

109 views / 0 likes - added

Covers lift, stalls, angle of attack, wing flaps, and many other topics. My Patreon page is at https://www.patreon.com/EugeneK

• 01:10

### Crazy Chair Illusion! (Behind The Scenes)

273 views / 0 likes - added

Add me on Facebook: https://www.facebook.com/#!/pages/Brusspup/158773774166995 (hit the LIKE button to add me on Facebook) A little extra footage of the aftermath of creating this illusion. I used about 15 sheets of black poster board and a lot of tape. I

• 04:40

### HOW TO MAKE COTTON CANDY AT HOME

251 views / 1 likes - added

Subscribe: http://www.youtube.com/c/MisterHacker Google: https://goo.gl/wK7DH9 How to make cotton candy at home with Angle grinder. Music: 1 - Happy Electronic Pop 3 - Gavin Luke 2 - Loud And Proud 1 - Anders Bothйn

• 03:06

### Toy Physics -- Leaning Tower of Pizza boxes puzzle // Homemade Science with Bruce Yeany

237 views / 0 likes - added

This is a puzzle of little pizza boxes that need to be stacked in such a way so that they don't fall over. The stack has the first six blocks locked together with the bottom block being cut on angle, causing the set of blocks to lean. The base of this puz

• 01:47

### Types Of Angles Song: Online Education Songs For Kids

492 views / 3 likes - added

Worksheets, Cloze, Quiz, and more at Teachers Pay Teachers[http://goo.gl/cfW2G8] TES[http://goo.gl/jXgRhd] Stop right here: YOU have found the most fun way to learn about Right Angles, Acute Angles, and Obtuse Angles ever! SUBSCRIBE to our YouTube Channel

• 02:14

### Visualizing the 600-Cell

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Mathematician/geometer Dugan Hammock of Quantum Gravity Research shows us a visualization of the 4-dimensional 600-Cell projected to 3D object (further projected, technically, to 2D on his computer screen.) The 600-Cell is a 4-dimensional shape made of 60

• 03:41

### Polygons Song For Kids Rap Video: Geometry Quadrilaterals Hexagons etc.

459 views / 0 likes - added

Full lesson plan and more: http://numberock.com/polygons/ Description: Alan kite surfs, skateboards, bikes, dives, and explores space as he learns about Triangles, Quadrilaterals, Pentagons, Hexagons, Heptagons, Octagons, Nonagons, and Decagons. These sha

• 13:46

### Math Videos For 3rd, 4th, And 5th Grade: GEOMETRY MATH SONGS

454 views / 3 likes - added

This fun video playlist goes along with a Geometry Unit with matching animation that can be purchased here: Teachers Pay Teachers Geometry Unit: https://www.teacherspayteachers.com/Product/Geometry-Unit-2459996 ◀--- Opens in New Window ____ Our closest fr

• 01:07

### This Vending Machine Takes Bottles And Gives Food To Stray Dogs In Exchange

562 views / 2 likes - added

A company in Turkey called Pugedon has created a somewhat bizarre but effective way to kill two birds with one stone – their vending machine in Istanbul takes bottles deposited for recycling and dispenses food for the city’s stray dogs. The ma

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• 03:03

### The mystery of mosquito flight

219 views / 0 likes - added

For a long time insect flight was a mystery: how do they stay aloft with large bodies and small wings? For mosquitos the puzzle is slightly different: how do they fly while moving their wings through only a small angle with each flap? Nature Video explore

• 03:12

### Driving on the Surface of Mars

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Scientists are studying Mars from every angle in preparation to send the first human astronauts to the Red Planet. Data from the Curiosity rover has proven invaluable. | For more STRIP THE COSMOS, visit http://www.sciencechannel.com/tv-shows/strip-the-cos

• 02:36

### How Do Drones Stay Stable in the Air?

83 views / 0 likes - added

Octocopter are huge, eight armed drones that are super quick and technologically advanced. Each of the eight arms are attached at an angle in order to keep the drone stable. Stream Full Episodes of How to Build...Everything: https://www.sciencechannel.com

• 10:10

### Ecosystem Ecology: Links In The Chain - Crash Course Ecology #7

347 views / 0 likes - added

Hank brings us to the next level of ecological study with ecosystem ecology, which looks at how energy, nutrients, and materials are getting shuffled around within an ecosystem (a collection of living and nonliving things interacting in a specific place),

• 09:58

### The kg is dead, long live the kg

34 views / 0 likes - added

The kilogram, mole, kelvin, and ampere will be redefined by physical constants. For a limited time, get 3 months of Audible for just \$6.95 a month: http://audible.com/VERITASIUM or text VERITASIUM to 500500 Will this be the last video I make about SI unit

• 01:53

### Can Turtles Take Off Their Shell?

232 views / 0 likes - added

One of the most defining features of a turtle is its shell. Like all animals, turtles come in a variety of shapes and sizes and this is also true for its shell as well. When you think of a turtle’s shell, what comes to mind is the probably the hard dome s

• 04:30

### Classical Gas [Mason Williams] | Songs | Tommy Emmanuel

124 views / 0 likes - added

Learn this song from Tommy via multi-angle videos, transcriptions (Guitar Pro, Powertab, PDF, notation) Full information here: http://truefire.com/acoustic-guitar-lessons/certified-gems/ The other songs featured in this video are: Walk Don't Run by Johnny

• 03:29

### The Beatles - Hello, Goodbye

170 views / 0 likes - added

The Beatles 1 Video Collection is Out Now. Get your copy here: http://thebeatles1.lnk.to/DeluxeBluRay When The Beatles began recording what would become their third single to be released in 1967, its working title was ‘Hello, Hello’. The single sat at No.

• 01:56

### Types Of Triangles Song - Online Education Songs For Kids

377 views / 0 likes - added

Worksheets, Cloze, Quiz, and more at Teachers Pay Teachers[http://goo.gl/cfW2G8] TES[http://goo.gl/jXgRhd] Triangle, tell me your secrets. Are you Scalene, Isosceles, Right, Equilateral, Obtuse or Acute? There's more where this came from! http://goo.gl/3H

• 01:40

### How Animals Can Change Colors

278 views / 1 likes - added

Iridescence is a natural phenomenon that changes the color of objects based on the angle we view them. Many animals including peacocks, butterflies, and snakes, have special structures that cast this shiny glow. It happens when color wavelengths interfere

• 05:19

### 7 WATERCOLOR TIPS (For Beginners!)

167 views / 0 likes - added

This is a mix of FAQ and beginner's tips for using watercolors! The biggest tip I can give anyone wanting to get into watercolor is to JUST START! Pick up a cheap set and see how you like them, play around, and see what works! Hopefully this can clear up

• 00:52

### Slipping on a banana peel - 3 versions of the classic joke

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The classic 'slipping on a banana peel' joke performed by 3 outstanding comedians from the early years. First is Charlie Chaplin from the film By The Sea (1915). He wasn't the first to do the classic banana peel gag, although by dropping the peel himself,

• 17:28

### Martin Luther King | "I Have A Dream" Speech

541 views / 8 likes - added

One of the most famous speeches of the 20th century by Martin Luther King on Wednesday, August 28, 1963, at the Lincoln Memorial in Washington DC. A heartfelt speech which reminds us our all our fundamental rights and values. "I Have A Dream" is the popul

• 09:34

### Consciousness - Crash Course Psychology #8

314 views / 0 likes - added

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as \$0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

• 01:00

### Tons of planets can support life. Kepler Orrery IV

390 views / 0 likes - added

All of the Kepler multi-planet systems (1705 planets in 685 systems as of 24 November 2015) on the same scale as the Solar System (the dashed lines). The size of the orbits are all to scale, but the size of the planets are not. For example, Jupiter is act

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• 15:13

### Numbers And Free Will - Numberphile

239 views / 0 likes - added

Artificial Intelligence gets Edward Frenkel thinking about vectors and numbers --- and the nature of human existence!? Extra interview footage: http://youtu.be/HctVeOR1tmU More Numberphile videos with Prof Frenkel: http://bit.ly/Frenkel_Playlist Prof Fren

• 02:49

### The Beatles - Twist & Shout - Performed Live On The Ed Sullivan Show 2/23/64

209 views / 0 likes - added

The Beatles - Twist & Shout - Performed Live On The Ed Sullivan Show 2/23/64 The Beatles Now Streaming. Listen to the Come Together Playlist here: http://smarturl.it/BeatlesCT Download 1+ http://smarturl.it/Beatles1 Buy 1+ http://smarturl.it/Beatles1s For

• 10:10

### Psychological Disorders: Crash Course Psychology #28

394 views / 0 likes - added

***SUBBABLE MESSAGES*** To: Lola From: Daddy You are the best, I love you. *** To: Future Lia From: Mom and Dad Remember that learning isn't just useful, but also really fun! *** You can directly support Crash Course at http://www.subbable.com/crashcourse

• 10:12

### The Nucleus: Crash Course Chemistry #1

284 views / 0 likes - added

Hank does his best to convince us that chemistry is not torture, but is instead the amazing and beautiful science of stuff. Chemistry can tell us how three tiny particles - the proton, neutron and electron - come together in trillions of combinations to f

• 04:38

### How Do Rainforests Make Clouds? | Maddie Moate

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We were lucky enough to get early access to THE WORLD'S LARGEST INDOOR TROPICAL RAINFOREST at The Eden Project. Whilst playing on the awesome cloud bridge we thought what better question to tackle than...How do Rainforests Make Clouds?! Corrections: * Whe

• 02:36

### Creme That Egg! | How To Squish A Creme Egg! | Joseph's Machines

196 views / 0 likes - added

A Rube Goldberg machine to squish a Creme Egg. It goes around the walls of our lounge. I am an inventor of useless machines. Welcome to my channel! Music is by the Jews Brothers Band, tracks "Bulgar" (the singer is my mother!) Please support them by buyin

• 12:39

### Controversy of Intelligence: Crash Course Psychology #23

317 views / 0 likes - added

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as \$0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.

• 05:24

### Bizarre Spinning Toys

296 views / 0 likes - added

Spinning toys and tops have unusual behaviors. The famous tippe top flips itself over and spins on its stem. The PhiTOP stands up on its end, which you can also do with a hard-boiled egg. These behaviors all have to do with torque and angular momentum, li

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• 22:11

### g-conjecture - Numberphile

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Discussing h-vectors and the g-conjecture. Featuring June Huh from the Institute for Advanced Study at Princeton University. More links & stuff in full description below ↓↓↓ A little extra bit from this interview: https://youtu.be/cFKGX3vAs_Q Shapes in hi

• 14:17

### Why Is The Earth Round And The Milky Way Flat? | Space Time | PBS Digital Studios

232 views / 0 likes - added

Let PBS know what type of digital series you'd like to see by taking this survey: https://www.surveymonkey.com/r/pbsds2016 Why does our universe make spheres and disks? Get your own Space Time t-shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Fa

• 09:01

### How a dictionary writer defines English

188 views / 0 likes - added

Kory Stamper works for Merriam-Webster. So how does a dictionary writer define the language? Vox's Phil Edwards found out in this episode of Vox Almanac. You can find Kory's new book here: http://www.penguinrandomhouse.com/books/530504/word-by-word-by-kor

• 02:43

### The Equinox Isn't What You Think It Is

214 views / 1 likes - added

Is the equinox really when day = night? Tweet this ⇒ http://bit.ly/OKTBSeq Share on FB ⇒ http://bit.ly/OKTBSeqFB ↓ More info and sources below ↓ Calculate day length where you live for any date: http://www.timeanddate.com/sun/ Very cool solar angle simula

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• 02:42

### Centriphone - an iPhone video experiment by Nicolas Vuignier

166 views / 0 likes - added

Watch the making of https://youtu.be/d45oGNv8H98 ! Watch Casey Neistat try to build a centriphone: https://youtu.be/wOhj0TuTZYs?list=PLTHOlLMWEwVy52FUngq91krMkQDQBagYw After almost two years of tinkering and tweaking I finally achieved the result I was lo

• 12:26

### When is Thanksgiving? Colonizing America: Crash Course US History #2

394 views / 1 likes - added

In which John Green teaches you about the (English) colonies in what is now the United States. He covers the first permanent English colony at Jamestown, Virginia, the various theocracies in Massachusetts, the feudal kingdom in Maryland, and even a bit ab

• 05:45

### Visualization of Torques (Moments)

137 views / 0 likes - added

This video demonstrates the concept of Torque, a.k.a. Moment or Moment of force. Visit my homepage, http://www.zutopedia.com/udia.html, or read about my latest book http://www.zutopedia.com Here are some notes: 1) Torques are often mentioned in context of

• 1:56:43

### Blaze Of Steel: Explosive Chemistry - With Andrew Szydlo

280 views / 0 likes - added

Andrew Syzdlo, chemist and school teacher, explores the chemistry of iron and steel. Featuring cool science experiments, explosions and pyrotechnics, this inspiring teacher challenges our perception of these metals' permanence. Subscribe for regular scien

• 05:40

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186 views / 0 likes - added

(21 Mar 2016) JAPAN CLOCK SOURCE: AP HORIZONS, LIFESTYLE, HEALTH AND TECHNOLOGY RESTRICTIONS: HORIZONS CLIENTS AND AP LIFESTYLE, HEALTH AND TECHNOLOGY CLIENTS ONLY LENGTH: 5:39 AP Television Yamagata City, Yamagata Prefecture, Japan - 8 March 2016 1. Wide

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Test your math IQ with this fun question. There are two 12 sided coins. Find the measure of the angle when the coins are side by side. Each side of the coin is equal length. My name is Chris and my passion is to teach math. Learning should never be a stru

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366 views / 2 likes - added

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495 views / 1 likes - added

What is the ecosystem of our mouth really like and how does it affect our teeth? Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG What Causes Bad Breath? ►►►► http://bit.ly/1TYUzOe Read More: What conditions may be linked to oral health

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646 views / 7 likes - added

Check out every possible angle of JoJo Siwa’s 'Hold the Drama' performance at Mall of America in this awesome 360 video! And be sure to catch more of JoJo on Nick! #Nick #Nickelodeon #JoJoSiwa Subscribe if you love Nickelodeon and want to see more! http:/

• 06:47

### Paper Saw Blades- paper cuts paper- Part 1- centrifugal force // Homemade Science with Bruce Yeany

413 views / 1 likes - added

Part one: Can a saw blade made out paper cut through a sheet paper? It can if it's spinning fast enough. Circles of paper are mounted onto a Dremel type tool and then are tested to see if they can cut paper, cardboard foam cups, even thin strips of wood.

• 04:38

### Fleet Foxes - Blue Ridge Mountains (live cover) feat. The Other Favorites!

37 views / 0 likes - added

Sierra and I joined Josh and Carson for their concert in Ohio this past Saturday and opened the show! We shot this little ditty in their hotel room an hour before load-in, I thought they had the perfect vocals for this song! Enjoy and please follow these

• 04:32

### Math Word problems - Solving triangles

271 views / 0 likes - added

Become an expert in solving math word problems! In this problem you will learn how to use triangles to solve the height of a building. A man steps back 50 feet which the angle to the top of the building change 15 degrees. Using this information find the h

• 03:31 Popular

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899 views / 4 likes - added

Hey... what's matter? No no no, not what's THE matter. What's MATTER? In this episode of Crash Course Kids, Sabrina talks about what matter is and the three states of matter: Solid, Liquid, and Gas. She also does a quick experiment that you can do at home

• 04:54

### The Brown Dwarf Debate

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Thanks to NASA's James Webb Space Telescope (JWST) project and the Space Telescope Science Institute for supporting this video. This video is about the line between Brown dwarfs and gas giant planets (aka super Jupiter's): does it exist? Is it the deuteri

• 11:45

### The Moon Terminator Illusion

425 views / 0 likes - added

http://www.twitter.com/tweetsauce http://instagram.com/electricpants Sources and sites to learn more below!!! dolly zoom effect: http://filmmakeriq.com/lessons/introduction-to-the-dolly-zoom/ visual angle: http://en.wikipedia.org/wiki/Angular_diameter htt

• 03:50 Popular

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1,754 views / 1 likes - added

Have you ever heard the phrase, "You look like a Million Bucks?" Well, you do... but you also look like a million particles. In this episode, Sabrina talks to us about matter and particles and that all matter is made up of particles. Also, she shows us ho

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• 03:11 Popular

### JoJo Siwa 360° Video 'Kid in a Candy Store' Live Performance | Nick

901 views / 10 likes - added

Zoom in, zoom out, spin left, spin right and every angle in between to check out all of JoJo Siwa’s performance of “Kid in a Candy Store” at Mall of America in this awesome 360 video! And be sure to catch the special event 'JoJo Siwa: My World Saturday' A

• 03:06

### What Do You See? | Brain Games

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Your brain interprets distance, depth, and height by the way light hits an object. -- but looking at objects from a different angle can radically change your perspective. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About Brain Games: Using a series of expe

• 07:09

### How to make injectable MANGO CUPCAKES for Christmas! Baking with Charli's Crafty Kitchen

183 views / 0 likes - added

Today we made Mango Christmas Cupcakes and they were so delicious! Visit the National Mango Board website at www.mango.org for more mango recipes Find the candy cane printables at Facebook.com/charliscraftykitchen Mango Cupcakes Recipe: Cut mangos with a

• 04:02

### Why Are Mosquitoes So Good At Carrying Disease?

225 views / 1 likes - added

Mosquitoes are one of the most annoying bugs on this planet, but they are also one of the most deadly. Why are they so good at carrying diseases? Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Why Can’t We Get Rid of Mosquitoes ►►►►ht

• 05:01

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

164 views / 2 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

• 01:55

### Drawing Image Of Translation | Transformations | Geometry | Khan Academy

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• 08:13

### Points After Rotation | Transformations | Geometry | Khan Academy

252 views / 1 likes - added

Points after rotation Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/rotations-1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://w

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### Formal Translation Tool Example | Transformations | Geometry | Khan Academy

259 views / 0 likes - added

Formal translation tool example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-translations/e/defining-translations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the

• 05:41

### Points On Line Of Reflection | Transformations | Geometry | Khan Academy

267 views / 0 likes - added

Points on line of reflection Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-reflections/e/defining-reflections?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next

• 30:34

### Princess Trixie Sparkle - Episode 3 - Escape from the Archives

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At long last we here at PTS present to you Princess Trixie Sparkle Episode 3: Escape from the Archives The morning after the switch, Twilight learns that Applejack and Fluttershy are staying in Ponyville and once in Canterlot Pinkie Pie and Rarity also go

• 19:00

### Incredible Invisible Frog!

276 views / 2 likes - added

Please SUBSCRIBE - http://bit.ly/BWchannel Buy Coyote’s Book - http://bit.ly/BOOKbraveadventures Watch More - http://bit.ly/BTlemurfrog On this episode of Breaking Trail, Coyote and the crew discover a frog with transparent skin! Known as the Glass Frog,

• 05:07

### How do crystals work? - Graham Baird

201 views / 1 likes - added

What makes crystals grow into their signature shapes? Dig into the atomic patterns and unique properties of crystals. --Many crystals have signature shapes like the cascade of pointed quartz or a pile of galena cubes. Every crystals atoms have a defining

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### Think You're 'Double-Jointed'? You're Not. Here's What's Actually Going On

165 views / 0 likes - added

Having joint hypermobility might be a fun party trick, but do you know what it does to your body? Why Do We Get Goosebumps? - https://youtu.be/JHJhgDOySC0 Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More: Why Are Some People Double

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### The DYING Barrier Reef

37 views / 0 likes - added

Climate Change is destroying the Great Barrier Reef. In the last 2 years the Great Barrier Reef has lost over half its coral. At the current rate at which sea temperatures are rising the Reef will go extinct in the next 20 to 30 years. I have witnessed th

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### Fall As You Know It Is Disappearing

288 views / 0 likes - added

Climate change is slowly taking away our seasons. The first to go? Fall. Why Do People Love Pumpkin Spice Lattes So Much? ►►►► http://dne.ws/1QAKByP DNews Live Tickets Here ►►►► http://dne.ws/1Fa2OCh Read More: Fall of fall: The mellow season of autumn is

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488 views / 2 likes - added

Thanks to http://www.givewell.org/ for sponsoring this video! To learn more about the Against Malaria Foundation, visit: http://www.givewell.org/AMF or https://www.againstmalaria.com. Thanks also to our supporters on https://www.patreon.com/MinuteEarth __

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• 22:52

### KOREAN McDonald's VS. Burger King in Seoul South Korea

168 views / 0 likes - added

Many of you guys asked me to try out the McDonald's in South Korea and I was super excited as well. With burgers such as the Shanghai burger, I was expecting great things. After eating at McDonald's I also stopped at Burger King in Seoul and tried out som

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### How Do Sharks and Rays Use Electricity to Find Hidden Prey? | Deep Look

241 views / 3 likes - added

When it comes to spotting prey, sharks and rays have a secret sense beyond sight and smell. Tiny goo-filled organs called Ampullae of Lorenzini detect the invisible electric fields produced by all living creatures. DEEP LOOK: a new ultra-HD (4K) short vid

• 01:52

### Visualization of the Coriolis and centrifugal forces

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A visual demonstration of the effects of the Coriolis and Centrifugal forces. Visit my homepage, http://www.zutopedia.com/udia.html, or read about my latest book http://www.zutopedia.com This clip demonstrates the effects of the Coriolis and Centrifugal f

• 03:22

### A Disease's Guide to World Domination

55 views / 0 likes - added

Get 3 weeks of free access to CuriosityStream by visiting http://curiositystream.com/minute and using the promo code "minute" There's something surprising that helps determine how damaging a disease is: distance. Thanks also to our Patreon patrons https:/

• 19:54

### TRADITIONAL Korean STREET FOOD Market Tour in Busan South Korea

87 views / 0 likes - added

I had some Korea videos and forgot to share this great food adventure with you. This was during my trip to Korea in December 2017, where I went to Busan. And while in Busan I had to check out the street food markets. Enjoy! :-) #busan #busanstreetfood #bu

• 03:37

### How Does Dark Energy Stretch Our Universe?

303 views / 0 likes - added

Scientists have just mapped 1.2 million galaxies! Here's how can this 3D map can be used to learn about dark energy and dark matter. Could Galactic Walls Prove We're Wrong About The Universe? - http://bit.ly/29WAM0m Sign Up For The Seeker Newsletter Here

• 09:46

### Shockwave Shadows in Ultra Slow Motion (Bullet Schlieren) - Smarter Every Day 203

87 views / 0 likes - added

Get your first audiobook free when you try Audible for 30 days visit https://www.audible.com/smarter or text smarter to 500 500! Click here if you're interested in subscribing: http://bit.ly/Subscribe2SED ⇊ Click below for more links! ⇊ ~~~~~~~~~~~~~~~~~~

• 03:52

### Can you solve the vampire hunter riddle? - Dan Finkel

108 views / 0 likes - added

You’re a vampire hunter entering the enemy’s lair. Can you outsmart this tricky brainteaser and vanquish the vampires? -- You’ve stealthily descended into the darkness of a vampire cave, setting a sequence of mirrors as you go. When the sun reaches the ri

• 09:19

### How to Understand the Image of a Black Hole

55 views / 0 likes - added

We are about to see the first image of a black hole, the supermassive black hole Sagittarius A* at the center of the Milky Way galaxy or maybe the supermassive black hole in the galaxy M87. But what is that image really showing us? This is an awesome pape

• 03:05

### Why You Shouldn't Give Ginger To Monkeys (and other animal sayings)

287 views / 0 likes - added

Learn new skills from this video’s sponsor, Skillshare: http://skl.sh/minuteearth4 Humans from different cultures anthropomorphize different animals to represent the same human traits. Thanks also to our Patreon patrons https://www.patreon.com/MinuteEarth

• 11:54

### Vascular Plants = Winning! - Crash Course Biology #37

261 views / 0 likes - added

Hank introduces us to one of the most diverse and important families in the tree of life - the vascular plants. These plants have found tremendous success and the their secret is also their defining trait: conductive tissues that can take food and water f

• 04:47

### 12 ILLUSIONS THAT WILL TEST YOUR BRAIN

689 views / 2 likes - added

Sometimes our brain sees things in two different ways. We found the best 12 illusions to test your brain, just try to see them from a different angle! What do you see? ● 9 Simple Questions That Reveal Your True Personality https://www.youtube.com/watch?v=

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• 03:42

### How Much Force Does It Take To Break A Bone?

345 views / 1 likes - added

It seems like some people break bones all the time, while others consistently end up unscathed. What exactly does it take to break a bone? Check out Seeker VR! Why Humanity Must Explore The Unknown: A Cosmological Journey - https://youtu.be/rVcwlJEfh24 Pe

• 04:21

### Have We Found The Fifth Force Of Nature?!

212 views / 0 likes - added

Scientists recently discovered an anomaly in the 4 fundamental forces of nature. What was it and might it indicate a 5th fundamental force? Inside The World's Largest Particle Accelerator - http://bit.ly/2bReDRH Sign Up For The Seeker Newsletter Here - ht

• 06:32

### How Baby Turtles Find Their Way Home

549 views / 7 likes - added

Do it for the turtles… SUBSCRIBE! http://bit.ly/iotbs_sub Tweet this video ⇒ http://bit.ly/OKTBSkemp Share on FB ⇒ http://bit.ly/OKTBSkempFB ↓ More info and sources below ↓ Want to wear your love for science? We’ve got merch: http://dftba.com/besmart Spec

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• 03:21

### Fractions on a Number Line Song for 3rd Grade & 4th Grade

357 views / 0 likes - added

Enjoy our growing library of math videos at https://www.numberock.com ◀ Safe Link 1. VIDEO'S LESSON PLAN: COMING SOON! 2. NUMBEROCK DIGITAL LIBRARY 70% OFF: https://www.teacherspayteachers.com/Product/Math-Worksheets-More-NUMBEROCK-Musical-Math-Workbook-a

• 03:51

### Can You Solve This MIT Admissions Question? Geometry Problem, 1869

294 views / 0 likes - added

The Massachusetts Institute of Technology (MIT) is one of the top ranked universities in the world. This question appeared on its admissions exam nearly 150 years ago. "The perpendicular dropped from the vertex of the right angle upon the hypotenuse divid

• 03:16

### Can You Solve This 8th Grade Geometry Problem? 75% Got The Wrong Answer

255 views / 0 likes - added

What is angle A in the star-shaped figure? This problem appeared on the 1999 AMC 8 test (intended for 8th grade students in the US). Approximately 75% of test-takers did not mark the correct response. Can you figure it out? Watch the video for a solution.

• 08:05

### Can You Solve The Hardest Easy Geometry Problem?

363 views / 1 likes - added

In the figure, what is the value of angle x? This problem is known as Langley's Adventitious Angles. It is also known as the hardest easy geometry problem because it can be solved by elementary methods but it is notoriously difficult to work out. Can you

• 08:45

### Fractals: How to Decode the Geometry of Chaos І The Great Courses

169 views / 0 likes - added

Try a free month trial of The Great Courses Plus here: https://www.thegreatcoursesplus.com/special-offer?utm_source=US_OnlineVideo&utm_medium=SocialMediaEditorialYouTube&utm_campaign=136270 Let's begin by clarifying what's distinctive about fractals by co

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### What If We Made A New Continent?

213 views / 1 likes - added

What would it take to build an entire continent from scratch? Check out all Blocko approved classes on CreativeLive! ►► http://cr8.lv/2AaLIY6 Visit CreativeLive and save up to 30% today! Subscribe: https://bit.ly/SubLifeNoggin | Get your exclusive Life No

• 09:52

### Why disco made pop songs longer

28 views / 0 likes - added

Disco, DJs, and the impact of the 12-inch single. Try Dashlane here: https://dashlane.com/vox. Get 10% off now with promo code: VOX Become a Video Lab member! http://bit.ly/video-lab In the early 1970s, a musical sensation took over New York City. It was

• 10:27

### How Do We Protect Earth From Asteroids? Part 1 - Finding Them

224 views / 0 likes - added

We know we live in a cosmic shooting gallery. Who’s got their eyes on the sky, and how will we prevent an asteroid strike if we find a dangerous space rock? Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/

• 02:20

### TRANSPARENT Solar Panels?!

228 views / 0 likes - added

Infinitesimally small quantum dots can turn a window into a see-through solar panel! Thanks to the University of Minnesota for sponsoring this video! http://twin-cities.umn.edu/ Thanks also to our supporters on https://www.patreon.com/MinuteEarth ________

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• 03:46

### Can You Reach The End Of A Rainbow?

362 views / 1 likes - added

The end of the rainbow may be the best place to raid a leprechaun stash, but it proves a strangely difficult destination to reach. Brainstuff explains why you can’t get there, and why there really isn’t even a a “there” there. Learn more at HowStuffWorks.

• 03:41

### Why Aren’t There Eclipses Every Month?

174 views / 0 likes - added

If the Sun, Earth and Moon are lined up, shouldn't we get a lunar and solar eclipse every month? Clearly, we don't, but why not? Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/ Follow us on Twitter: @univ

• 07:21

### The Great Snake Debate

183 views / 2 likes - added

90 million years ago, an ancient snake known as Najash had...legs. It is by no means the only snake to have limbs either. But what’s even stranger: we’re not at all sure where it came from. Produced in collaboration with PBS Digital Studios: http://youtub

• 10:20

### 10 Places on Earth Where Gravity Is Zero

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Planet Earth lives by the laws of gravity discovered by Sir Isaac Newton. Gravity is constant. It's something entirely unshakeable that we can always rely on in this ever-changing world, right? Umm, not really. In fact, its not as honest and clear as you

• 02:52

### Why Malaria Isn’t Just a Tropical Disease

65 views / 0 likes - added

Watch Hot Mess here! ►► http://bit.ly/hotmess_sub Malaria is a global disease that we've beaten back around the world, including in some tropical places, but we’ve had the hardest time in Africa. Thanks to our Patreon patrons https://www.patreon.com/Minut

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### You're Not Hallucinating. That's Just Squid Skin. | Deep Look

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Octopuses and cuttlefish are masters of underwater camouflage, blending in seamlessly against a rock or coral. But squid have to hide in the open ocean, mimicking the subtle interplay of light, water, and waves. How do they do it? DEEP LOOK: a new ultra-H

• 15:44

### Top 10 Science Tricks and Physics Stunt Toys

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These 10 Science Toys are Must Haves! In this family friendly video you'll see many incredible / satisfying /amazing science toys / physics toys. Science Toys In This Video: Zero Blaster: Introducing the NEW Amazing Zero Toys Smoke-Ring Blaster! Now with

• 09:50

### Flying Into the Sun? NASA's Parker Solar Probe Mission

256 views / 0 likes - added

NASA is planning a mission to get as close as possible as we can to the Sun and reveal its mysteries. Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/ Follow us on Twitter: @universetoday Like us on Facebo

• 02:02

198 views / 1 likes - added

★★ Find your personality here below! ★★ ...see if it accurately describes your personality: ##### COLORS ########## Blue: You are deep, calm, caring, reliable and trustworthy. Also you appear strong and confident. You also crave harmony and peace. Red: Yo

• 12:22

### The Humans That Lived Before Us

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As more and more fossil ancestors have been found, our genus has become more and more inclusive, incorporating more members that look less like us, Homo sapiens. By getting to know these other hominins--the ones who came before us--we can start to answer

• 04:04

### I Lost My Friends Because I Don't Play Sports

151 views / 0 likes - added

By Zach | This video is sponsored by The Art Institutes. Visit them: http://bit.ly/2M2z8wa | Subscribe: http://bit.ly/sub2storybooth | Ready to "wear it out loud?” Merch store open, SHOP NOW: http://bit.ly/storybooth-merch | Zach used to have a ton of fri

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### Primitive Technology: Iron prills

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Primitive Technology: Iron prills - Creating Iron prills from scratch Subscribe: http://bit.ly/subPT | Never miss a video! Enable ‘ALL’ Notifications! More videos, watch me make wood ash cement from scratch: http://bit.ly/2nNG45C Follow Primit

• 04:00

### The Snail-Smashing, Fish-Spearing, Eye-Popping Mantis Shrimp

245 views / 0 likes - added

The killer punch of the mantis shrimp is the fastest strike in the animal kingdom, a skill that goes hand in hand with its extraordinary eyesight. They can see an invisible level of reality using polarized light, which could lead to a breakthrough in dete

• 12:26

### Your Place in the Primate Family Tree

90 views / 0 likes - added

Our new sticker is available here: https://store.dftba.com/collections/eons And check out Tacos of Texas!: https://www.youtube.com/playlist?list=PLh_qdzak59m68-i4M441Rkr5j8c_mQ-en Purgatorius, a kind of mammal called a plesiadapiform, might’ve been one of

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### 7 AMAZING Physics Tricks That You Must See

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7 Amazing physics tricks that you can try at home! 00:12 Mould effect It's obvious that the weight of the heavy falling beads is pulling the remaining beads from the pot. However, it's not so obvious whats causing the large arc and why the beads don't jus

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