Search Results: "abstract algebra problems solutions"

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01:14 Popular
Can Namib Desert Beetles Help Us Solve Our Drought Problems? | Think Like A Tree

1,170 views / 2 likes - added 8 years ago

Namib desert beetles live in an area with little ground water, so how is it that they have no trouble finding H2O? Find out how the resourceful insects use their wing scales to absorb water droplets from fog, and how we can use them as a model for combati
01:03 Popular
Subtraction Word Problems Within 10 | Basic Addition And Subtraction | Early Math | Khan Academy

762 views / 0 likes - added 8 years ago

Learn how to solve word problems by subtracting small numbers (numbers 10 or less). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-add-sub-word-problem-wit
01:42 Popular
Addition Word Problems Within 10 | Basic Addition And Subtraction | Early Math | Khan Academy

860 views / 1 likes - added 8 years ago

Learn how to solve word problems by adding small numbers (numbers 10 or less). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-add-sub-word-problem-within-1
10:24
21 SMART LIFE HACKS FOR ANNOYING PROBLEMS

670 views / 0 likes - added 4 years ago

FANTASTIC AND SMART HACKSWe all have those little things in life that simply tick us off, right? Even though these are small things, they can always somehow ruin your day! This is why weve prepared this video especially for you today, to show you creative
24:49 Popular
Static Friction and Kinetic Friction Physics Problems With Free Body Diagrams

1,091 views / 0 likes - added 3 years ago

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
23:55 Popular
Girl Shamed For Skin Problems ft. Jamie Kern Lima | Dhar Mann

1,987 views / 7 likes - added 3 years ago

You are beautiful. Thanks for watching my video! For exclusive giveaways & more inspirational content follow me on Instagram here: http://bit.ly/2Kcbgs2Also, did you know you can text me at 213-212-4550 or click this link https://bit.ly/2xXgraR and Ill ad
10:06 Popular
AWESOME HACKS TO SOLVE ALL YOUR PROBLEMS || New Girly Hacks by 123 GO!

1,977 views / 7 likes - added 3 years ago

Listen up, ladies! Youve got a lot to worry about. From surprise messes, to brow blunders! Its like the problems never end! But dont stress. Weve got some game-changing girly hacks for the win!These girly hacks sure come in handy in a jam! Share this vide
04:37 Popular
Fraction-decimal Intuition Problems (examples) | 4th Grade | Khan Academy

1,035 views / 0 likes - added 8 years ago

Understand the connection between decimals and fractions using a grid diagram. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimal-fractions/e/fraction-decimal-in
01:43 Popular
Solving Problems With Bar Graphs 2 | Measurement And Data | Early Math | Khan Academy

1,341 views / 1 likes - added 8 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-bar-graphs/e/solving-problems-with-bar-graphs-2?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Wat
04:07 Popular
Solve Problems: Be An Engineer!

1,097 views / 6 likes - added 8 years ago

Learn about engineers, who dream up a lot of the things you use every day, from toys to tools! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome produc
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06:37
The problems with rebuilding beaches

381 views / 0 likes - added 5 years ago

Beach nourishment is the latest chapter in a never-ending tale of erosion. Subscribe to our channel! http://goo.gl/0bsAjO About 80 to 90 percent of sandy beaches along America's coastlines are eroding. This is a problem because the developments humans bui
02:29
How We'll Solve Our Energy Problems

531 views / 0 likes - added 8 years ago

"sparking and controlling a self-sustaining synthetic" - Raffi Khatchadourian Subscribe now! http://www.youtube.com/subscription_center?add_user=shotsofawe Thanks to the ITER Organization for the International Thermonuclear Experimental Reactor photo. Joi
11:00
The Problems with Secret Santa - Numberphile

642 views / 0 likes - added 7 years ago

Dr Hannah Fry discusses Secret Santa, anonymity and derangements. And a better way to do it. More Hannah on Numberphile: http://bit.ly/hannah_vids Hannah's co-written Xmas book: http://amzn.to/2g8mIn6 Hannah's love/math book: http://bit.ly/frylovebook Num
13:59
3 Perplexing Physics Problems

335 views / 0 likes - added 4 years ago

Why does shaken soda explode? Does ice melt first in fresh or salt water?Thank you Squarespace for sponsoring this video. Go to https://squarespace.com to save 10% off your first purchase of a website or domain using code: VERITASIUMThis video features ex
07:58
Are There Problems That Computers Can't Solve?

343 views / 0 likes - added 4 years ago

All about Hilbert's Decision Problem, Turing's solution, and a machine that vanishes in a puff of logic. MORE BASICS: https://www.youtube.com/playlist?list=PL96C35uN7xGLLeET0dOWaKHkAlPsrkchaWritten with Sean Elliott https://twitter.com/SeanMElliott/Graphi
12:20
Problem Solving Word Problems 2

552 views / 0 likes - added 9 years ago

More free lessons at: http://www.khanacademy.org/video?v=s1QN7sSfBM8
14:03
Tree Gaps and Orchard Problems - Numberphile

414 views / 0 likes - added 6 years ago

Get 10% off at Squarespace: https://www.squarespace.com/numberphile This feature features Ben Sparks... More links & stuff in full description below ↓↓↓ Ben Sparks Twitter: https://twitter.com/SparksMaths More of Ben on Numberphile: https://youtu.be/ETrYE
11:45 Popular
Ideal Gas Problems: Crash Course Chemistry #13

935 views / 0 likes - added 9 years ago

We don't live in a perfect world, and neither do gases - it would be great if their particles always fulfilled the assumptions of the ideal gas law, and we could use PV=nRT to get the right answer every time. Unfortunately, the ideal gas law (like our cul
02:49
Ben 10 | Cat Problems | Cartoon Network

531 views / 1 likes - added 5 years ago

A cat problem needs a cat solution! Ben must embrace his inner cat in order to get his new alien, Rath, under control. Episode: Rath of Con CN GAMES: http://cartn.co/ytgames SUBSCRIBE: http://cartn.co/subscribe ABOUT BEN 10: Why have one set of super powe
03:03
Jellystone | Alley Problems | Cartoon Network UK

226 views / 0 likes - added 2 years ago

Top Cat and the gang try to take back their alley.Welcome to the official Cartoon Network UK YouTube channel!Get ready to laugh out loud and have loads of fun by subscribing to the channel! -https://goo.gl/hRAVDf Watch funny cartoon videos from all your f
06:08
Pet Problems | Teen Titans GO! | Cartoon Network

82 views / 1 likes - added 3 months ago

About Cartoon Network: Welcome to Cartoon Network's YouTube Channel, your destination for episode clips, behind the scenes footage, how to draw tutorials, toy videos, and more! Cartoon Network is home to your favorite shows and characters including Teen T
07:48 Popular
ck12.org Normal Distribution Problems: z-score

707 views / 0 likes - added 9 years ago

Z-score practice More free lessons at: http://www.khanacademy.org/video?v=Wp2nVIzBsE8
10:25 Popular
ck12.org Normal Distribution Problems: Empirical Rule

941 views / 0 likes - added 9 years ago

Using the empirical rule (or 68-95-99.7 rule) to estimate probabilities for normal distributions More free lessons at: http://www.khanacademy.org/video?v=OhRr26AfFBU
02:12
8 easy ways to fix common iPhone problems

629 views / 0 likes - added 6 years ago

Have a problem with your iPhone? Don't run to the Genius Bar just yet. There are tons of easy iPhone fixes you can handle yourself using common household items. Read more: http://www.businessinsider.com/sai FACEBOOK: https://www.facebook.com/techinsider T
00:57
Quantum computing could give us answers to impossible problems #shorts

94 views / 0 likes - added 6 months ago

#news #science #quantumcomputer
05:00 Popular
H2O-NO! - Fresh Water Problems: Crash Course Kids #33.1

1,104 views / 2 likes - added 8 years ago

What happens to a single ecosystem when the amount of freshwater available in it changes? Not really much good. In this episode of Crash Course Kids, Sabrina talks about ecosystems and how one small change can lead to a cascade effect in the entire ecosys
05:33 Popular
Right Triangle Word Problems — Harder Example | Math | New SAT | Khan Academy

715 views / 0 likes - added 8 years ago

Watch Sal work through a harder Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s6-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
03:52
Right Triangle Word Problems — Basic Example | Math | New SAT | Khan Academy

699 views / 0 likes - added 8 years ago

Watch Sal work through a basic Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s2-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
05:09 Popular
Volume Word Problems — Harder Example | Math | New SAT | Khan Academy

1,222 views / 0 likes - added 8 years ago

Watch Sal work through a harder Volume word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s2-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previou
03:59 Popular
Volume Word Problems — Basic Example | Math | New SAT | Khan Academy

1,037 views / 0 likes - added 8 years ago

Watch Sal work through a basic Volume word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous
26:19
Minecraft PS4 - 20 Block Challenge - Portal Problems (21)

681 views / 1 likes - added 7 years ago

Welcome to the 20 block challenge. In this challenge I am trying unlock the platinum trophy on the Playstation 4 version while only ever placing down 20 blocks. Playlist - https://www.youtube.com/playlist?list=PLEZiAg2bYC7k_wayTLT-9bbwTp0wB5kQ1 Twitter -
15:49
Think Like an Engineer: Solving Problems from Start to Finish | SciShow Kids Compilation

27 views / 0 likes - added 2 weeks ago

The whole crew at The Fort get together to learn how to come up with a solution to their problem the way an engineer would!Hosted by: Jessi Knudsen Castaeda (she/her/they/them)----------Love SciShow Kids and want to help support it? Become a Patron on Pat
04:21 Popular
How To Write One-step Equations For Word Problems | 6th Grade | Khan Academy

1,456 views / 0 likes - added 8 years ago

Learn how to write basic equations to model real-world situations. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-super-yoga/e/equations-in-one-vari
09:40 Popular
Quadratic And Exponential Word Problems — Harder Example | Math | New SAT | Khan Academy

1,023 views / 0 likes - added 8 years ago

Watch Sal work through a harder Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p2-easier?utm_source=YT&utm_medium=Desc&utm_campaign
03:30 Popular
Quadratic And Exponential Word Problems — Basic Example | Math | New SAT | Khan Academy

2,584 views / 0 likes - added 8 years ago

Watch Sal work through a basic Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
03:13
Simple robots form a chain gang to solve complex problems

407 views / 0 likes - added 5 years ago

New way of coordinating bots could help with rescue missions Read more - https://scim.ag/2v4zn3s CREDITS -------------------- editor/animator/narrator Chris Burns supervising producer Sarah Crespi script Sarah Crespi Chris Burns Shandria Sutton citation L
10:05 Popular
LONG AND SHORT NAIL PROBLEMS AND FUNNY SITUATIONS || Funniest Moments by 123 GO!

2,079 views / 7 likes - added 3 years ago

Love the look of long, colorful nails? They sure are elegant, but practical? Well that depends on who you ask. Today, were answering the age old question: whats better, long nails or short nails?Would you dare to rock long nails like the girls in the vide
10:07
The Beauty of Algebra

495 views / 0 likes - added 9 years ago

Why the abstraction of mathematics is so fundamental More free lessons at: http://www.khanacademy.org/video?v=kpCJyQ2usJ4
04:39
CN Presents | Gumball's Friendship Problems? | The Cartoon Network Show Ep. 14

156 views / 0 likes - added 2 years ago

Are you and your bestie this dramatic?---Subscribe for more Cartoon Network fun!https://www.youtube.com/channel/UCW5xCqirsmdKqYWYMj-pVUwCheck out our Cartoon Network Facebook page:https://www.facebook.com/CartoonNetworkAUNZ#CartoonNetwork
13:25 Popular
Linear Algebra: Another Least Squares Example

742 views / 0 likes - added 9 years ago

Using least squares approximation to fit a line to points More free lessons at: http://www.khanacademy.org/video?v=QkepM8Vv3kw
07:28
Algebra: Linear Equations 1

535 views / 0 likes - added 9 years ago

equations of the form AX=B More free lessons at: http://www.khanacademy.org/video?v=bAerID24QJ0
06:07
Algebra: Linear Equations 2

483 views / 0 likes - added 9 years ago

solving equations of the form AX+B=C More free lessons at: http://www.khanacademy.org/video?v=DopnmxeMt-s
06:45
Algebra: Linear Equations 3

460 views / 0 likes - added 9 years ago

Linear equations with multiple variable and constant terms More free lessons at: http://www.khanacademy.org/video?v=Zn-GbH2S0Dk
25:34
Linear Algebra: Vector Examples

564 views / 0 likes - added 9 years ago

Visually understanding basic vector operations More free lessons at: http://www.khanacademy.org/video?v=r4bH66vYjss
10:01 Popular
Linear Algebra: 3x3 Determinant

703 views / 0 likes - added 9 years ago

Determinants: Finding the determinant of a 3x3 matrix More free lessons at: http://www.khanacademy.org/video?v=0c7dt2SQfLw
18:40
Linear Algebra: nxn Determinant

636 views / 0 likes - added 9 years ago

Defining the determinant for nxn matrices. An exampled of a 4x4 determinant. More free lessons at: http://www.khanacademy.org/video?v=H9BWRYJNIv4
14:10
Linear Algebra: Determinant of Transpose

698 views / 0 likes - added 9 years ago

Proof by induction that transposing a matrix does not change its determinant More free lessons at: http://www.khanacademy.org/video?v=x-GV2v0dRNE
22:08
Linear Algebra: Orthogonal Complements

674 views / 0 likes - added 9 years ago

Orthogonal Complements as subspaces. More free lessons at: http://www.khanacademy.org/video?v=QOTjdgmNqlg
17:26
Linear Algebra: Projections onto Subspaces

700 views / 0 likes - added 9 years ago

Projections onto subspaces More free lessons at: http://www.khanacademy.org/video?v=5B8XluiqdHM
15:32
Linear Algebra: Least Squares Approximation

683 views / 0 likes - added 9 years ago

The least squares approximation for otherwise unsolvable equations More free lessons at: http://www.khanacademy.org/video?v=MC7l96tW8V8
18:50
Linear Algebra: Least Squares Examples

691 views / 0 likes - added 9 years ago

An example using the least squares solution to an unsolvable system More free lessons at: http://www.khanacademy.org/video?v=8mAZYv5wIcE
19:00
Linear Algebra: Basis of a Subspace

586 views / 0 likes - added 9 years ago

Understanding the definition of a basis of a subspace More free lessons at: http://www.khanacademy.org/video?v=zntNi3-ybfQ
18:53
Linear Algebra: Vector Triangle Inequality

611 views / 0 likes - added 9 years ago

Proving the triangle inequality for vectors in Rn More free lessons at: http://www.khanacademy.org/video?v=PsNidCBr5II
15:47
Linear Algebra: Cross Product Introduction

580 views / 0 likes - added 9 years ago

Introduction to the cross product More free lessons at: http://www.khanacademy.org/video?v=pJzmiywagfY
18:14
Linear Algebra: Matrix Product Examples

700 views / 0 likes - added 9 years ago

Example of taking the product of two matrices More free lessons at: http://www.khanacademy.org/video?v=x1z0hOyjapU
20:00
Linear Algebra: Matrix condition for one-to-one trans

696 views / 0 likes - added 9 years ago

Showing that the rank of the of an mxn transformation matrix has to be an for the transformation to be one-to-one (injective) More free lessons at: http://www.khanacademy.org/video?v=M3FuL9qKTBs
06:37
Linear Algebra: Simplifying conditions for invertibility

651 views / 0 likes - added 9 years ago

Showing that a transformation is invertible if and only if rref(A) is equal to the identity matrix More free lessons at: http://www.khanacademy.org/video?v=Yz2OosyMTmY
06:22
Linear Algebra: Example of Finding Matrix Inverse

653 views / 0 likes - added 9 years ago

Example of calculating the inverse of a matrix More free lessons at: http://www.khanacademy.org/video?v=r9aTLTN16V4
18:20
Linear Algebra: Formula for 2x2 inverse

685 views / 0 likes - added 9 years ago

Figuring out the formula for a 2x2 matrix. Defining the determinant. More free lessons at: http://www.khanacademy.org/video?v=eEUK_ThrHuQ
09:03
Linear Algebra: Determinants along other rows/cols

677 views / 0 likes - added 9 years ago

Finding the determinant by going along other rows or columns More free lessons at: http://www.khanacademy.org/video?v=nu87kfmwNfU
07:18 Popular
Linear Algebra: Rule of Sarrus of Determinants

730 views / 0 likes - added 9 years ago

A alternative "short cut" for calculating 3x3 determinants (Rule of Sarrus) More free lessons at: http://www.khanacademy.org/video?v=4xFIi0JF2AM
16:55 Popular
Linear Algebra: Determinant when row is added

923 views / 0 likes - added 9 years ago

The determinant when one matrix has a row that is the sum of the rows of other matrices (and every other term is identical in the 3 matrices) More free lessons at: http://www.khanacademy.org/video?v=VrB3LaSD_uo
08:19 Popular
Linear Algebra: Duplicate Row Determinant

720 views / 0 likes - added 9 years ago

Determinant of a matrix with duplicate rows More free lessons at: http://www.khanacademy.org/video?v=gYv8sttBIqs
10:25
Linear Algebra: Determinant after row operations

645 views / 0 likes - added 9 years ago

What happens to the determinant when we perform a row operation More free lessons at: http://www.khanacademy.org/video?v=kpG7xySkivg
08:07
Linear Algebra: Upper Triangular Determinant

660 views / 0 likes - added 9 years ago

The determinant of an upper triangular matrix More free lessons at: http://www.khanacademy.org/video?v=VX7K8iqoiRc
09:13 Popular
Linear Algebra: Simpler 4x4 determinant

712 views / 0 likes - added 9 years ago

Calculating a 4x4 determinant by putting in in upper triangular form first. More free lessons at: http://www.khanacademy.org/video?v=QV0jsTiobU4
20:10 Popular
Linear Algebra: Determinant as Scaling Factor

757 views / 0 likes - added 9 years ago

Viewing the determinant of the transformation matrix as a scaling factor of regions More free lessons at: http://www.khanacademy.org/video?v=g3MqSdO5Ubc
08:37
Linear Algebra: Transpose of a Matrix

646 views / 0 likes - added 9 years ago

Transpose of a matrix More free lessons at: http://www.khanacademy.org/video?v=2t0003_sxtU
08:41
Linear Algebra: Transposes of sums and inverses

680 views / 0 likes - added 9 years ago

Transposes of sums and inverses More free lessons at: http://www.khanacademy.org/video?v=Br_8t58mdeI
12:07
Linear Algebra: Transpose of a Vector

656 views / 0 likes - added 9 years ago

Transpose of a column vector. Matrix-matrix products using vectors More free lessons at: http://www.khanacademy.org/video?v=lSoaMCNKfAg
23:19
Linear Algebra: Rowspace and Left Nullspace

654 views / 0 likes - added 9 years ago

Rowspace and Left Nullspace More free lessons at: http://www.khanacademy.org/video?v=qBfc57x_RSg
13:04 Popular
Linear Algebra: Subspace Projection Matrix Example

778 views / 0 likes - added 9 years ago

Example of a transformation matrix for a projection onto a subspace More free lessons at: http://www.khanacademy.org/video?v=QTcSBB3uVP0
17:55 Popular
Linear Algebra: Change of Basis Matrix

729 views / 0 likes - added 9 years ago

Using a change of basis matrix to get us from one coordinate system to another. More free lessons at: http://www.khanacademy.org/video?v=1j5WnqwMdCk
11:16
Linear Algebra: Introduction to Orthonormal Bases

673 views / 0 likes - added 9 years ago

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
19:24
Linear Algebra: The Gram-Schmidt Process

671 views / 0 likes - added 9 years ago

Finding an orthonormal basis for a subspace using the Gram-Schmidt Process More free lessons at: http://www.khanacademy.org/video?v=rHonltF77zI
13:14
Linear Algebra: Gram-Schmidt Process Example

655 views / 0 likes - added 9 years ago

Using Gram-Schmidt to find an orthonormal basis for a plane in R3 More free lessons at: http://www.khanacademy.org/video?v=tu1GPtfsQ7M
07:43
Linear Algebra: Introduction to Eigenvalues and Eigenvectors

691 views / 0 likes - added 9 years ago

What eigenvectors and eigenvalues are and why they are interesting More free lessons at: http://www.khanacademy.org/video?v=PhfbEr2btGQ
14:34 Popular
Linear Algebra: Finding Eigenvectors and Eigenspaces example

728 views / 0 likes - added 9 years ago

Finding the eigenvectors and eigenspaces of a 2x2 matrix More free lessons at: http://www.khanacademy.org/video?v=3-xfmbdzkqc
11:34 Popular
Algebra Basics: What Are Functions? - Math Antics

2,158 views / 3 likes - added 7 years ago

Learn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
18:54
Linear Algebra: Introduction to the inverse of a function

655 views / 0 likes - added 9 years ago

Introduction to the inverse of a function More free lessons at: http://www.khanacademy.org/video?v=-eAzhBZgq28
13:20
Linear Algebra: Determinant when row multiplied by scalar

646 views / 0 likes - added 9 years ago

The determinant when a row is multiplied by a scalar More free lessons at: http://www.khanacademy.org/video?v=32rdijPB-rA
02:52 Popular
Linear Algebra: (correction) scalar muliplication of row

998 views / 0 likes - added 9 years ago

Correction of last video showing that the determinant when one row is multiplied by a scalar is equal to the scalar times the determinant More free lessons at: http://www.khanacademy.org/video?v=WY6QG0mZ7uQ
21:38 Popular
Linear Algebra: Determinant and area of a parallelogram

1,268 views / 0 likes - added 9 years ago

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
08:50
Linear Algebra: Transpose of a Matrix Product

677 views / 0 likes - added 9 years ago

Taking the transpose of the product of two matrices More free lessons at: http://www.khanacademy.org/video?v=UdHgWK13x5I
16:08
Linear Algebra: Coordinates with Respect to a Basis

663 views / 0 likes - added 9 years ago

Understanding alternate coordinate systems More free lessons at: http://www.khanacademy.org/video?v=uvgru6FcyxU
15:28 Popular
Linear Algebra: Coordinates with respect to orthonormal bases

773 views / 0 likes - added 9 years ago

Seeing that orthonormal bases make for good coordinate systems More free lessons at: http://www.khanacademy.org/video?v=SWbis2zWIvo
09:19 Popular
Linear Algebra: Proof of formula for determining Eigenvalues

730 views / 0 likes - added 9 years ago

Proof of formula for determining Eigenvalues More free lessons at: http://www.khanacademy.org/video?v=rfm0wQObxjk
14:08
Linear Algebra: Eigenvalues of a 3x3 matrix

699 views / 0 likes - added 9 years ago

Determining the eigenvalues of a 3x3 matrix More free lessons at: http://www.khanacademy.org/video?v=11dNghWC4HI
12:01 Popular
Algebra Basics: Slope And Distance - Math Antics

1,198 views / 1 likes - added 4 years ago

Learn More at mathantics.comVisit http://www.mathantics.com for more Free math videos and additional subscription based content!
13:46 Popular
Algebra Basics: Laws Of Exponents - Math Antics

1,970 views / 1 likes - added 3 years ago

This is a re-upload to correct a minor math typo.Learn More at mathantics.comVisit http://www.mathantics.com for more Free math videos and additional subscription based content!
10:53
ck12.org Normal Distribution Problems: Qualitative sense of normal distributions

679 views / 0 likes - added 9 years ago

Discussion of how "normal" a distribution might be More free lessons at: http://www.khanacademy.org/video?v=79duxPXpyKQ
16:34 Popular
Linear Algebra: Exploring the solution set of Ax=b

1,859 views / 0 likes - added 9 years ago

Exploring the solution set of Ax=b (non homogeneous equations) More free lessons at: http://www.khanacademy.org/video?v=1PsNIzUJPkc
18:00
Linear Algebra: Deriving a method for determining inverses

638 views / 0 likes - added 9 years ago

Determining a method for constructing inverse transformation matrices More free lessons at: http://www.khanacademy.org/video?v=6DpzCKJBsz0
13:57 Popular
Linear Algebra: Gram-Schmidt example with 3 basis vectors

702 views / 0 likes - added 9 years ago

Gram-Schmidt example with 3 basis vectors More free lessons at: http://www.khanacademy.org/video?v=ZRRG386v6DI
05:39 Popular
Linear Algebra: Example solving for the eigenvalues of a 2x2 matrix

710 views / 0 likes - added 9 years ago

Example solving for the eigenvalues of a 2x2 matrix More free lessons at: http://www.khanacademy.org/video?v=pZ6mMVEE89g
15:34
Linear Algebra: Eigenvectors and Eigenspaces for a 3x3 matrix

692 views / 0 likes - added 9 years ago

Eigenvectors and eigenspaces for a 3x3 matrix More free lessons at: http://www.khanacademy.org/video?v=3Md5KCCQX-0
10:14 Popular
Algebra Basics: Graphing On The Coordinate Plane - Math Antics

3,366 views / 3 likes - added 7 years ago

Learn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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Algebra and Mathematics. Explained with easy to understand 3D animations.

518 views / 0 likes - added 5 years ago

Explains variables, systems of equations, Cartesian coordinates, and many other concepts. Fun and educational for all ages.
13:09 Popular
Linear Algebra: Showing that an eigenbasis makes for good coordinate systems

711 views / 0 likes - added 9 years ago

Showing that an eigenbasis makes for good coordinate systems More free lessons at: http://www.khanacademy.org/video?v=C2PC9185gIw
03:58
Less money, more problems | The Money | Gumball | Cartoon Network

92 views / 0 likes - added 9 months ago

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
21:25
Linear Algebra: Showing that Inverses are Linear

619 views / 0 likes - added 9 years ago

Showing that inverse transformations are also linear More free lessons at: http://www.khanacademy.org/video?v=mr9Tow8hpCg
09:27
Linear Algebra: dim(V) + dim(orthogonoal complelent of V)=n

642 views / 0 likes - added 9 years ago

Showing that if V is a subspace of Rn, then dim(V) + dim(V's orthogonal complement) = n More free lessons at: http://www.khanacademy.org/video?v=pGhBfkBqok0
11:14 Popular
Linear Algebra: Rank(A) = Rank(transpose of A)

711 views / 0 likes - added 9 years ago

Rank(A) = Rank(transpose of A) More free lessons at: http://www.khanacademy.org/video?v=tqqVOWm9YsU
18:05
This is what an 1869 MIT entrance exam looks like

589 views / 0 likes - added 5 years ago

Explore the foundation of algebra at https://brilliant.org/tibees/ View this exam:https://libraries.mit.edu/archives/exhibits/exam/algebra.html MIT exam archives: https://libraries.mit.edu/archives/exhibits/exam/ In this video I look at the algebra sectio
38:41 Popular
Converting Units With Conversion Factors - Metric System Review & Dimensional Analysis

1,456 views / 0 likes - added 3 years ago

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

120 views / 0 likes - added 1 year ago

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
02:19 Popular
How To Determine The Domain Of A Modeling Function (example With A Function) | Khan Academy

1,266 views / 0 likes - added 8 years ago

Sal determines the domain of a function that models the height of a plant over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/determining-the-domain-of-a-function/e/interpreting
01:49 Popular
How To Find Two Function Inputs With The Same Output Given Graph (example) | Khan Academy

1,854 views / 0 likes - added 8 years ago

Sal finds the input value other than -5 for which f(x)=f(-5), given the graph of f. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inp
05:18
Unknowns With Multiplication And Division

532 views / 0 likes - added 9 years ago

Finding unknowns. Basic algebra.
06:20
Less is more: Why our brains struggle to subtract

142 views / 0 likes - added 2 years ago

When solving problems, humans tend to think about adding something before they think of taking something away - even when subtracting is the better solution. Experiments show that this newly discovered psychological phenomenon applies across a range of si
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Deriving Lorentz Transformation Part 2

586 views / 0 likes - added 8 years ago

Continuing the algebra to solve for the Lorentz factor.
03:52 Popular
Zumba Dance Workout For Weight Loss

1,856 views / 3 likes - added 7 years ago

Have fun while you lose weight! Zumba Dance Workout is an enjoyable way to stay fit. Welcome to the best of Zumba, offered by http://www.escuelasalsabarcelona.com/zumba/ who believe that the best way to lose weight is by having a blast! Enjoy the video! F
02:57 Popular
Viral Facebook Math Problem

1,293 views / 1 likes - added 7 years ago

This problem has over 2 million comments on Facebook and is getting coverage in mainstream media and blogs. Can you figure out this Facebook fruit algebra puzzle involving apples, bananas, and coconuts? The video presents what many people consider to be t
04:55 Popular
Nylon Synthesis

1,071 views / 0 likes - added 3 years ago

A classic science demonstration of two-component polymerization, nylon 66 (also known as "nylon 6,6") is pulled from the interface of two solutions: Hexamethyldiamine in 0.5M sodium hydroxide solution is the lower layer, and adipoyl chloride in cyclohexan
11:06
Word Problem Solving 3

591 views / 0 likes - added 9 years ago

Word problem solving strategies from chapter 3 of ck12.org Algebra I book
04:50
Why is Relativity Hard? | Special Relativity Chapter 1

472 views / 0 likes - added 6 years ago

Thanks to http://www.brilliant.org/minutephysics for supporting this video! Thanks to my friend Mark Rober (https://www.youtube.com/channel/UCY1kMZp36IQSyNx_9h4mpCg) for making the spacetime globe, and to Grant Sanderson (https://www.youtube.com/3blue1bro
07:50 Popular
pH and pKa relationship for buffers | Chemistry | Khan Academy

834 views / 0 likes - added 6 years ago

How the Henderson-Hasselbalch equation can be used to look at the ratio of conjugate acid and base using relationship between buffer pH and pKa. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acid-base-equilibrium/buffer-solutions/v/
03:52
The Great Button Solution!

156 views / 0 likes - added 2 years ago

Bill and Webb want to reach a button that is really high up on the wall, so Mister Brown teaches them how to use engineering and teamwork to make a high up button pusher!Hosted by: Anthony Brown----------Love SciShow Kids and want to help support it? Beco
10:42 Popular
Cognition: How Your Mind Can Amaze and Betray You - Crash Course Psychology #15

911 views / 1 likes - added 9 years ago

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.
07:10
TOUGH Interview Question - Ways To Give 11 Coins To 3 People

612 views / 0 likes - added 7 years ago

How many ways can you divide 11 coins to 3 people? How many ways are there if each person has to get at least 1 coin? This puzzle is an example of a technical interview question. The video demonstrates the solution, which indicates the number of non-negat
02:57 Popular
Can You Solve This Crazy Equation? Ramanujan's Radical Brain Teaser

1,098 views / 0 likes - added 7 years ago

In 1911, Srinivasa Ramanujan posed this problem involving an infinite nested radical (a never-ending expression that has square roots inside of square roots). Can you figure out how to simplify the equation? The video presents an intuitive solution. Techn
03:54 Popular
What's The Best Soup Can Size? The Optimal Cylinder Puzzle

800 views / 0 likes - added 7 years ago

A cylindrical can with volume V can be made in different ways. The cylinder can be wide and short (large radius and small height), or it can be narrower and taller (small radius and larger height). Which shape uses the least material? That is, which can h
46:33
How can we solve our plastic pollution problem?

281 views / 1 likes - added 3 years ago

Join us for a live conversation on plastic pollution, the solutions, and whats at stake if we dont act now.
03:01 Popular
Try Trials: Crash Course Kids #39.2

896 views / 0 likes - added 8 years ago

We've talked about variables and solving problems. But how do we keep working on a problem if the first solution doesn't fix it? Trials! In this episode of Crash Course Kids, Sabrina shows us how to use Trials to figure out what the problems are with our
01:56 Popular
How to Do Fractional Coefficients

1,320 views / 0 likes - added 5 years ago

How to Do Fractional Coefficients. Part of the series: Math Problems. Fractional coefficients need to be completed in a very specific way. Learn how to do fractional coefficients in math problems with help from a mathematics educator in this free video cl
02:59
Proof that 1 = 2.

524 views / 0 likes - added 6 years ago

Using algebra and a little deception, Mr. John Hush proves (or does he?) that 1 = 2 to a class of amazed calculus students.
05:18
Think Like an Engineer!

187 views / 0 likes - added 2 years ago

Mister Brown teaches Squeaks all about engineering to help him solve a problem he is having!Hosted by: Anthony Brown----------Love SciShow Kids and want to help support it? Become a Patron on Patreon: https://www.patreon.com/scishowIf you have a question
11:17 Popular
Acid-Base Reactions in Solution: Crash Course Chemistry #8

1,421 views / 0 likes - added 9 years ago

Last week, Hank talked about how stuff mixes together in solutions. Today, and for the next few weeks, he will talk about the actual reactions happening in those solutions - atoms reorganizing themselves to create whole new substances in the processes tha
07:26
Bugs Arent Brainless! | Storytime: Charles Henry Turner

347 views / 0 likes - added 3 years ago

Did you know that bees can remember things? It's true, and it's thanks to Dr. Charles Henry Turner that we know so much about insects!----------Love SciShow Kids and want to help support it? Become a Patron on Patreon: https://www.patreon.com/scishowIf yo
05:27 Popular
Can You Solve The Mind-Bending Self-Counting Sentence Riddle?

957 views / 0 likes - added 7 years ago

"In this sentence, the number of occurrences of the digit 0 is __, of the digit 1 is __, of the digit 2 is __, of the digit 3 is __, of the digit 4 is __, of the digit 5 is __, of the digit 6 is __, of the digit 7 is __, of the digit 8 is __, and of the d
02:06 Popular
Can You Solve The Viral Matchstick Puzzle 6 + 4 = 4?

3,482 views / 0 likes - added 7 years ago

Can you fix 6 + 4 = 4 by moving 1 matchstick? This problem has gone viral on Facebook, with one post having over 400,000 shares. The ground rules are you cannot break a stick, it should be an equality (=), and you have to use 7-segment numbers (the block
01:18 Popular
Can You Make 4 Triangles From 6 Matches?

984 views / 0 likes - added 7 years ago

Can you use 6 matches to make 4 triangles of equal size and equal shape? This is harder than it sounds! Give it a try before watching the video for a solution. If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecisions
04:58 Popular
Your Brain Can Solve Algorithms - David J. Malan

1,007 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/your-brain-can-solve-algorithms-david-j-malan An algorithm is a mathematical method of solving problems both big and small. Though computers run algorithms constantly, humans can also solve problems with algorit
03:25 Popular
Can You Solve This? AA + BB + CC = ABC

2,482 views / 0 likes - added 7 years ago

If AA + BB + CC = ABC, what are the values of A, B, and C? All the digits are distinct and positive. Watch the video for a solution. Blog (text explanation): http://wp.me/p6aMk-4Cm If you like my videos, you can support me at Patreon: http://www.patreon.c
13:04
Singapore Math: Grade 3a Unit 2 (part 4)

453 views / 0 likes - added 9 years ago

Some more word problems
02:06
How Many Cars Can Fit In The Parking Lot

700 views / 0 likes - added 9 years ago

Word problems.
01:32 Popular
How to Solve for the Height of Cylinders

786 views / 0 likes - added 5 years ago

How to Solve for the Height of Cylinders. Part of the series: Algebra Tips. Solving for the height of cylinders can be accomplished in just a few moments with the right equation. Learn how to solve for the height of cylinders with help from an experienced
04:42
How Warren Buffett Tried To Trick Bill Gates In A Dice Game

687 views / 0 likes - added 7 years ago

Warren Buffett once challenged Bill Gates to a dice game similar to this one. How would you play the game? Blog post (text explanation) http://wp.me/p6aMk-4ro Source The dice numbers and the story are described at Microsoft Research's website for non-tran
21:02 Popular
Introduction to Inclined Planes

732 views / 0 likes - added 3 years ago

This physics video tutorial provides a basic introduction into inclined planes. It covers the most common equations and formulas that you need to solve inclined plane physics problems. It provides the formulas needed to calculate the normal force, the com
12:16
Singapore Math: Grade 3a Unit 2 (part 11)

550 views / 0 likes - added 9 years ago

Some 2-step word problems.
05:35
Think Like an Engineer: Let's Design a Solution! | SciShow Kids

21 views / 0 likes - added 1 month ago

Teachers and parents: scroll down to check out the Next Generation Science Standards (NGSS) for this episode!Squeaks, Jessi, and the gang are designing a raft for their friend Juniper. They'll think like engineers and learn how to create a design that sol
11:19
NEW RESULTS! Cosmic Quantum Bell Test

598 views / 0 likes - added 7 years ago

Try 23andMe at http://23andme.com/physicsgirl Original paper: https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.118.060401 How do you test quantum mechanics with ancient stars? A new experiment aims to close loopholes to the iconic "Quantum Bell T
01:57 Popular
I Will Read Your Mind - Math Magic Trick

1,256 views / 2 likes - added 7 years ago

Pick a 2 digit number. Got it? Now and add up the digits. Subtract that from your original number. Look up the resulting number in the table. Can I figure out the symbol you are looking at? This video predicts your symbol and explains why this math trick
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10:04 Popular
The Naked Mole-Rat

765 views / 3 likes - added 8 years ago

Naked mole-rats are some of the most fascinating members of the animal kingdom - but just how unique are they? Turns out, they diverged from their nearest relative more than 31 MILLION years ago! Field Museum curator Dr. Bruce Patterson, and Yale postdoct
05:57
How To Split A Cake Fairly Using Math

696 views / 0 likes - added 7 years ago

How can 2 people split up a cake, knowing that each person wants to get a larger piece than the other? What about 3 people, or even N people? This is an example of a fair division problem from game theory. There are many cake-cutting algorithms to produce
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11:31
Singapore Math: Grade 3a Unit 2 (part 10)

586 views / 0 likes - added 9 years ago

Some final 4 digit subtraction problems.
06:24 Popular
The Seemingly Impossible Escape Logic Puzzle

1,454 views / 0 likes - added 7 years ago

An evil logician takes Alice and Bob captive. They have a chance to escape if they can deduce the total number of trees in the prison. Can they figure it out? Source of puzzle wu: riddles forum https://www.ocf.berkeley.edu/~wwu/cgi-bin/yabb/YaBB.cgi?board
04:52 Popular
Can You Solve The Two Rope Puzzle?

713 views / 0 likes - added 7 years ago

You have two ropes and a lighter. Each rope burns in 60 minutes, but the ropes do not burn at a constant rate. How can you measure 45 minutes by burning the ropes? Some of you might have heard this problem before. If so, try this variation: how can you me
06:24 Popular
Can You Solve The Chameleon Riddle?

1,010 views / 0 likes - added 7 years ago

A museum has 13 blue, 15 red, and 17 green chameleons. Whenever two chameleons of different colors meet, they both change into the color of the other chameleon (if blue and red met, for example, they would both turn green). As the chameleons mingle, is it
08:39
Test 3 Section 2 Part 5

577 views / 0 likes - added 9 years ago

Problems 18-20 on starting on page 522
07:52 Popular
Find The 10 Digit Number Classic Puzzle And Solution

890 views / 0 likes - added 7 years ago

I'm thinking of a 10 digit number that uses the each digit 0 to 9 exactly once and where the number formed by the first n digits is divisible by n. What could my number be? The video explains how to find the answer using tests for divisibility. Blog post:
03:00
Multiply Numbers By Drawing Lines

623 views / 0 likes - added 6 years ago

Gow to multiply numbers by drawing lines. Get the Multiply By Lines Book! https://www.amazon.com/gp/product/1500866148/ If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecisions Connect on social media. I update each s
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10:20 Popular
SURPRISING Coin Flipping Probability - Flips To HH Versus HT

876 views / 0 likes - added 7 years ago

What is the expected number of coin flips until you get two heads in a row (HH)? What is the expected number of coin flips until you get a heads followed by a tails (HT)? The video presents the solution and an intuitive explanation for this probability ri
04:32
Introduction to motion (part 3)

451 views / 0 likes - added 9 years ago

Using the basic equations of distance and velocity to solve motion problems
09:20
2 dimensional projectile motion (part 1)

556 views / 0 likes - added 9 years ago

Using vectors to solve 2 dimensional projectile motion problems
22:57 Popular
Pulley Physics Problem - Finding Acceleration and Tension Force

731 views / 0 likes - added 3 years ago

This physics video tutorial explains how to calculate the acceleration of a pulley system with two masses with and without kinetic friction. It also discusses how determine the tension in the rope as well. The formulas and equations are all provided in th
The Letters

109 views / 0 likes - added 2 years ago

Women play a major role in shaping climate-resilient societies. Their needs and capacities can lay the foundation for solutions that not only address the climate crisis but also pave the way for a sustainable recovery from the COVID-19 pandemic. We need t
03:36
FOG: Clearing up the confusion

576 views / 0 likes - added 8 years ago

What is fog exactly? How does a plane land in zero visibility? UPS meteorologist Jeff Peters steers us through the facts and clever solutions. Follow TED Institute on Twitter @TEDPartners Subscribe to our channel: https://www.youtube.com/user/TEDInstitute
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05:41
How To Prove The Quadratic Formula By Completing The Square

318 views / 0 likes - added 3 years ago

This algebra video tutorial explains how to prove the quadratic formula by completing square.My Website: https://www.video-tutor.netAmazon Store: https://www.amazon.com/shop/theorganicchemistrytutorSubscribe:https://www.youtube.com/channel/UCEWpbFLzoYGPfu
02:41 Popular
Why Don't Sleeping Bats Fall Down?

875 views / 1 likes - added 8 years ago

Bats sleep upside down, so how come they don’t fall? Turns out that they’ve got some unusual legs. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin O
01:23
Watch the world’s most powerful sonic tractor beam levitate its biggest catch

492 views / 0 likes - added 6 years ago

With enough tweaking, a new sonic tractor beam design could control people in zero gravity. Read the story: http://scim.ag/2EauyJ3 Read the paper: https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.120.044301
08:27
Can You Solve The 3 Cards Riddle?

681 views / 0 likes - added 7 years ago

There are 3 cards in this problem. One card is blue on both sides, another is red on both sides, and the last is red on one side and blue on the other. The cards are put in a bag and I pick one at random. Without looking at the colors on the card, I place
03:31 Popular
How Logical Are You? The Irrationality Illusion Tricks Most

805 views / 0 likes - added 7 years ago

This video relates a cognitive bias ("irrational" decision) to an optical illusion (picture at 1:45). For more, check out my new book, "The Irrationality Illusion: How to Make Smart Decisions And Overcome Bias" http://amzn.to/1o3FaAg Blog post (text and i
07:33 Popular
Ways to get a buffer solution | Chemistry | Khan Academy

1,260 views / 0 likes - added 6 years ago

Describes the two main situations where you get a buffer: making a buffer for a specific pH by combining a weak acid and a salt containing the conjugate base, and using a neutralization reaction by combining a weak acid and a strong base. Watch the next l
02:44
How Chemicals in Our Eyes Are Revolutionizing Sunblock: Say Goodbye to Synthetic Sunscreens

8 views / 0 likes - added 1 week ago

In this video, we explore how chemicals in our eyes are revolutionizing sunblock. While synthetic sunscreens have been helpful in protecting our skin from harmful UV rays, they have also caused damage to reefs and marine life and can persist in the enviro
02:45 Popular
The Day After Tomorrow Is Yesterday Riddle. Can You Solve It?

707 views / 0 likes - added 7 years ago

This puzzle is popular on Facebook and many other sites. "When the day after tomorrow is yesterday, then today will be as far from Wednesday as today was from Wednesday when the day before yesterday was tomorrow. What day is today?" Can you solve this tri
02:23
This SAT Math Question Has A Mistake

669 views / 0 likes - added 7 years ago

This question appeared on the October 1980 SAT exam. Like all questions, it was supposed to have exactly one correct answer. However the test-makers made a mistake. Can you figure out what they did wrong? Blog post (text explanation): http://wp.me/p6aMk-4
03:33 Popular
Can You Solve This Intelligence Test? Viral Facebook Puzzle

743 views / 0 likes - added 7 years ago

If 6 + 4 = 210, and 9 + 2 = 711, what is the rule to combine numbers? This "intelligence test" has been shared more than 3 million times on Facebook. On Twitter people claim solving it means you have an IQ of more than 150 (genius level). In this video I
05:09 Popular
Can You Solve The Snake Eyes Probability Riddle?

844 views / 0 likes - added 7 years ago

You close your eyes and roll a pair of dice. The casino dealer announces that at least one of the rolls is showing a 1.What is the probability that both dice are showing a 1? Watch the video for the solution. (Snake eyes is a term for rolling a pair of 1s
06:57
When Is Christmas? Mentally Convert Date To Day Of The Week

531 views / 0 likes - added 7 years ago

January 1, 2016 is a Friday. When will Christmas be in 2016? What about Christmas in 2055? You can do this in your head! Blog post (text explanation): http://wp.me/p6aMk-4qQ Doomsday Rule (previous video): https://www.youtube.com/watch?v=UsStBxY9STw Calcu
19:52
Destructive Hippos, Chatty Whales, and More: 60 Second Science Podcasts

413 views / 1 likes - added 5 years ago

Explore Arctic ponds created by invading beavers, reefs ruled by sharks, streams shaped by salmon, and oceans filled with whales propelling, snacking, and talking. Reported by Jason G. Goldman, Emily Schwing, and Christopher Intagliata. Beluga sounds prov
14:41
Find the Volume of Any Shape Using Calculus

338 views / 0 likes - added 3 years ago

Calculus isn't just abstract mathematics, it is an incredibly useful tool. Here I show you how to use it to derive the volumes of 3D shapes. Check out my posters here https://store.dftba.com/collections/domain-of-scienceThis was the first example that rea
14:08 Popular
Small X Approximation For Large Kc

794 views / 0 likes - added 8 years ago

Guidelines and worked examples for using the small x approximation to solve equilibrium problems with large Kc values
14:41 Popular
We Need Better Drugs -- Now - Francis Collins

1,457 views / 0 likes - added 8 years ago

Today we know the molecular cause of 4,000 diseases, but treatments are available for only 250 of them. So what's taking so long? Geneticist and physician Francis Collins explains why systematic drug discovery is imperative, even for rare and complex dise
04:04 Popular
Water Fight!: Crash Course Kids #36.1

1,529 views / 1 likes - added 8 years ago

So, what happens when there's not enough water? Well... not good things. Do we let homes have more water for showering and cooking? Or do we let farms have the water for growing crops? There aren't any easy solutions, but today Sabrina chats with us about
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04:06 Popular
Succeed By Failing: Crash Course Kids #42.1

876 views / 0 likes - added 8 years ago

We all know that failure is bad... but is it? Actually, Engineers need things to fail so they can understand how to make things better. In this episode of Crash Course Kids, Sabrina chats to us about failure points and how they can help us find better sol
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05:39 Popular
Can You Solve A 5th Grade Problem From China? Find The Area Of ABCD

793 views / 0 likes - added 5 years ago

Thanks to Eric from Miami for suggesting this problem and sending a solution! The diagram shows a quadrilateral ABCD with the values for some angles and the length of AB. Can you figure out the area of ABCD? Subscribe: https://www.youtube.com/user/MindYou
13:50
Moments (part 2)

461 views / 0 likes - added 9 years ago

2 more moment problems. More free lessons at: http://www.khanacademy.org/video?v=peXbz0frV74
05:23 Popular
Smoke Rings Underwater // Homemade Science with Bruce Yeany

880 views / 0 likes - added 7 years ago

Smoke rings or vortex rings can be formed underwater in an aquarium using the same principles that apply to rings formed in air. These are not bubble rings! These rings are made visible using paints, dyes, or best of all, in a weak acid (vinegar) base (am
05:55 Popular
"Impossible" Logic Puzzle - How Many Liars Are At The Party?

812 views / 0 likes - added 7 years ago

A party has 100 people who are either liars are truth tellers. Liars always lie and truth tellers always say the truth. After the party you ask each person, "How many truth tellers did you shake hands with?" Each person gives a different answer from 0 to
03:28 Popular
Flower Math Problem - Adults Stumped By Question For Kids In China

1,395 views / 2 likes - added 7 years ago

This problem is said to come from a test given to a Chinese kindergarten class (5 year olds). It was posted online and caused a lot of debate as adults were stumped about the correct answer, some saying it is impossible. Can you figure it out? This video
15:15
Moving Faster Than The Speed Of Light? Special Relativity Velocity Addition Formula

686 views / 0 likes - added 7 years ago

If train A is moving towards train B, and each train moves at 75% the speed of light (relative to the ground), will an observer on train A think that train B is moving at 150% the speed of light? But nothing moves faster than the speed of light, so what i
04:53 Popular
Can You Solve The Friendship Riddle?

1,306 views / 0 likes - added 7 years ago

In a group of 6 people, you might find that some people are friends on Facebook, or you might find out that no one is friends on Facebook. Show that there is always a group of 3 people in which either: (a) all 3 people are mutual friends or (b) the 3 peop
05:52 Popular
Can You Solve The "MEANEST" SAT Test Question Ever?

704 views / 0 likes - added 5 years ago

On the SAT exam, you have about 2 minutes to read and solve each math question. This one about averages can send you in a loop, unless you approach it systematically. In the video I also explain a shortcut to help you solve this type of problem quickly. S
01:49 Popular
This Matchstick Puzzle Is

858 views / 1 likes - added 7 years ago

This classic matchstick/toothpick puzzle is making the rounds because it is supposedly "extremely hard" for adults. Can you make 3 squares by moving 3 matchsticks? You cannot break any of the sticks, the resulting squares must be of equal size, and each t
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07:49 Popular
Can You Solve The Viral 9 = 72 Puzzle? The Correct Answer Explained

1,079 views / 0 likes - added 7 years ago

This problem has been shared millions of times on Twitter/Facebook with the claim "99% fail" to solve it and that only a genius could find the correct answer. If 9 = 72, 8 = 56, 7 = 42, 6 = 30, 5 = 20, then 3 = ? In this video I explain what many people b
06:01 Popular
Can You Solve The Viral 1 + 4 = 5 Puzzle? The Correct Answer Explained

11.8k views / 1 likes - added 7 years ago

This problem was shared on Facebook with the claim that only one in a thousand could figure it out. It went viral and generated over 3 million comments. Here is the problem. If 1 + 4 = 5, 2 + 5 = 12, 3 + 6 = 21, what is 8 + 11 = ? This video presents what
04:44
Imagine Dragons - Bad Liar (Official Music Video)

534 views / 1 likes - added 1 year ago

Listen to Mercury – Act 1: https://ImagineDragons.lnk.to/Mercury Listen to Origins, ft. Natural, Zero, Machine and Bad Liar: http://smarturl.it/OriginsID Shop Imagine Dragons: http://smarturl.it/ImagineDragonsShop Sign up for email updates: http://s
02:38 Popular
Graphing Linear Equations — Harder Example | Math | New SAT | Khan Academy

914 views / 0 likes - added 8 years ago

Watch Sal work through a harder Graphing linear equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
04:56 Popular
How to Learn to Code

1,066 views / 6 likes - added 9 years ago

Thanks to https://www.youtube.com/user/NerdyAndQuirky for the question! Shares appreciated! Twitters: https://twitter.com/cheerskevin There you go. Here’s the code that will get you past your first technical interview. By the way, don’t ever w
07:25 Popular
Can You Solve The Race To December 31 Riddle?

716 views / 0 likes - added 7 years ago

Here's a fun game you can play with another person. The game starts on January 1. Each of two players takes turns calling out another date. The new date has to be a later date in the year with either the same month OR the same day (from January 1, a playe
03:21 Popular
Can You Solve A Puzzle That Fooled Richard Feynman?

711 views / 0 likes - added 5 years ago

What is the radius of the circle, in simplest terms involving a, b, and c? I read that even the great mind Richard Feynman made a mistake. Watch the video to learn the common mistake and what the correct answer is. Source Feynman story http://web.media.mi
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What Is The Area? "You Should Be Able To Solve This"

509 views / 0 likes - added 5 years ago

Thanks to Reio in Romania for emailing me this fun problem! What is the area? This puzzle was shared with the tagline "you should be able to solve this." Solution to 5th grade Chinese challenge problem https://youtu.be/OuJQaxZvlYs My blog post for this vi
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These Experiments Could Prove Einstein Wrong

161 views / 0 likes - added 2 years ago

Check out the math & physics courses that I mentioned (many of which are free!) and support this channel by going to https://brilliant.org/Sabine/ where you can create your Brilliant account. The first 200 will get 20% off the annual premium subscription.
13:40 Popular
BEST Way To Play Memory (Card Game) - WIN Using Math

952 views / 0 likes - added 7 years ago

The card game of memory (aka concentration) is a children's game to test visual recall. Strategically you can figure out the best move by doing probability calculations. This video explains the best possible way to play the game mathematically. You can le
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02:24
Why Do Bruises Change Colors?

700 views / 0 likes - added 8 years ago

What happens in your body after you get a bruise? Quick Questions explains! ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Chris Peters, John Szymakowski, Peso255, Fati
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03:17
Can YOU Solve It? This Question Stumped 75% Of PhD Economists

609 views / 0 likes - added 7 years ago

Introductory economics courses cover the concept of an opportunity cost. Can you figure out the opportunity cost for the problem in the video? This video presents a question that surprisingly more than 75% of PhD economists did not answer correctly. Paper
09:11 Popular
Can You Solve The Rectangle Ratio Puzzle? The Surprising Answer

855 views / 0 likes - added 7 years ago

Start with a unit square (a rectangle with both sides equal to 1, call it R1). Attach a rectangle of area 1 to its right side, then attach a rectangle of area 1 to its top. The border of this new shape is another rectangle, call it R2. We can repeat the p
08:05 Popular
Can You Solve The Hardest Easy Geometry Problem?

1,273 views / 1 likes - added 7 years ago

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
05:57 Popular
Can You Solve This 6th Grade Geometry Problem From Singapore? The Area Of A "Claw"

1,131 views / 1 likes - added 7 years ago

This problem was given to Primary 6 (age 11-12) students in Singapore. What is the area of the shaded region in the video, which consists of the region bounded by 4 quarter circles in a 3x3 grid of squares, and each square has a side length of 4? The shad
03:51 Popular
Can You Solve This MIT Admissions Question? Geometry Problem, 1869

951 views / 0 likes - added 7 years ago

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
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Fluids (part 6)

442 views / 0 likes - added 9 years ago

A couple of problems involving Archimedes' principle and buoyant forces. More free lessons at: http://www.khanacademy.org/video?v=wwjtuZ5vTvc
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Can You Solve The Missing Sock Puzzle?

618 views / 0 likes - added 7 years ago

A statistician keeps a simple wardrobe. He only purchases pairs of black socks and white socks, and he keeps all of the socks in a pile in the drawer. Recently one of the socks was lost in the laundry. The socks have a mathematical property. If you select
11:27 Popular
Can You Solve The Viral 11x11 = 4 Puzzle? The Correct Answer Explained

3,054 views / 1 likes - added 7 years ago

If 11x11=4 and 22x22=16, what is 33x33=? This puzzle has been shared with the claim that only geniuses can solve it. It has gotten millions of views on the internet and Facebook as people have debated the correct answer. In this video I present what many

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