TED-Ed
TED-Ed: How does your smartphone know your location? - Wilton L. Virgo
GPS location apps on a smartphone can be very handy when mapping a travel route or finding nearby events. But how does your smartphone know where you are? Wilton L. Virgo explains how the answer lies 12,000 miles over your head, in an...
SciShow
6 Weird Units of Measurement We're Still Using for Some Reason
You might be benefiting from the weird units you've never heard every time you put on your shoes or read about dark matter.
TED-Ed
TED-Ed: The math behind Michael Jordan's legendary hang time - Andy Peterson and Zack Patterson
Michael Jordan's legendary slam dunk from the free throw line has been calculated at 0.92 seconds of pure hang time. But how many seconds could Jordan have gotten were he doing the same jump on Mars? Or Jupiter? Andy Peterson and Zack...
TED-Ed
TED-ED: Can you solve the seven planets riddle? - Edwin F. Meyer
Your interstellar police squad has tracked a group of criminals to a cluster of seven planets. Now you must apprehend them before their reinforcements arrive. Of course, the fugitives won't just stay put _ they'll try to dodge you by...
TED-Ed
TED-Ed: The mathematical secrets of Pascal's triangle - Wajdi Mohamed Ratemi
Pascal's triangle, which at first may just look like a neatly arranged stack of numbers, is actually a mathematical treasure trove. But what about it has so intrigued mathematicians the world over? Wajdi Mohamed Ratemi shows how Pascal's...
TED-Ed
TED-Ed: Is math discovered or invented? - Jeff Dekofsky
Would mathematics exist if people didn't? Did we create mathematical concepts to help us understand the world around us, or is math the native language of the universe itself? Jeff Dekofsky traces some famous arguments in this ancient...
TED-Ed
TED-Ed: What is Zeno's Dichotomy Paradox? - Colm Kelleher
Can you ever travel from one place to another? Ancient Greek philosopher Zeno of Elea gave a convincing argument that all motion is impossible - but where's the flaw in his logic? Colm Kelleher illustrates how to resolve Zeno's Dichotomy...
TED-Ed
TED-ED: How many ways are there to prove the Pythagorean theorem? - Betty Fei
What do Euclid, 12-year-old Einstein, and American President James Garfield have in common? They all came up with elegant proofs for the famous Pythagorean theorem, one of the most fundamental rules of geometry and the basis for...
TED-Ed
TED-ED: What is entropy? - Jeff Phillips
There's a concept that's crucial to chemistry and physics. It helps explain why physical processes go one way and not the other: why ice melts, why cream spreads in coffee, why air leaks out of a punctured tire. It's entropy, and it's...
TED-Ed
TED-Ed: Why the metric system matters - Matt Anticole
For the majority of recorded human history, units like the weight of a grain or the length of a hand weren't exact and varied from place to place. Now, consistent measurements are such an integral part of our daily lives that it's hard...
TED-Ed
TED-ED: How the K_nigsberg bridge problem changed mathematics - Dan Van der Vieren
You'd have a hard time finding the medieval city K_nigsberg on any modern maps, but one particular quirk in its geography has made it one of the most famous cities in mathematics. Dan Van der Vieren explains how grappling with...
TED-Ed
TED-Ed: 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 how vectors are a prime example of the elegance, beauty,...
Crash Course Kids
Measurement Mystery
So now that we know what Properties are, how can we use them to figure things out? In this episode of Crash Course Kids, Sabrina uses them to solve the mystery of what she tripped over last night. This first series is based on 5th grade...
TED-Ed
TED-Ed: How taking a bath led to Archimedes' principle - Mark Salata
Stories of discovery and invention often begin with a problem that needs solving. Summoned by the king to investigate a suspicious goldsmith, the early Greek mathematician Archimedes stumbles on the principle that would make him famous.
TED-Ed
TED-ED: How to spot a misleading graph - Lea Gaslowitz
When they're used well, graphs can help us intuitively grasp complex data. But as visual software has enabled more usage of graphs throughout all media, it has also made them easier to use in a careless or dishonest way - and as it turns...
SciShow Kids
How People (And Squids) Measure Things
There is more than one way to measure the same thing! Jessi and her friend The Giant Squidstravaganza (Squid for short) explore the differences between the Metric System and the Imperial System.
Bozeman Science
Significant Digits
Mr. Andersen explains significant digits and shows you how to use them in calculations.
Curated Video
How to Set the Suspension Sag on Your Motorcycle
Howcast - Learn how to set the suspension sag in this Howcast motorcycle video with expert Kenyon Kluge.
Curated Video
How to Measure & Cut for a No-Sew Fleece & Ribbon Cape
Howcast - Learn how to make a no-sew cape from fleece and ribbon with designer Jennifer Wiese in this Howcast video, part 2 of a 5-part series.
Curated Video
What Is Cask Strength aka Barrel Proof Whiskey?
Howcast - Learn what cask strength aka barrel proof whiskey is from the experts at NYC's Rye House in this Howcast video.
Curated Video
How to Use Sliding Knots to Make Leather Bracelets
Howcast - Learn how to use sliding knots to make leather bracelets with this Howcast video about how to make jewelry.
Curated Video
How to Work with Adobe Illustrator Rulers & Guides
Howcast - Learn how to work with Adobe Illustrator rulers and guides from expert Will "Focus" Dubois in this Howcast video.
Curated Video
How to Measure Your Collar
Howcast - Not too loose and not too tight -- find the perfect shirt size with these steps.