MinutePhysics
TOP 10 REASONS Why We Know the Earth is Round
TOP 10 REASONS Why We Know the Earth is Round
SciShow
Why Are Craters Always Round?
If you take a look at all the impact craters in our solar system, the vast majority are nice, neat circles. But why? Meteorites and asteroids strike planets and moons at all sorts of angles. Where are all the elliptical craters?
MinutePhysics
Why Do Boats Make This Shape?
This video is about the "Kelvin wake" shape of water wakes behind boats - we talk about mach angle, dispersion, superposition of many waves, and how these all lead to the pattern of a wake. We don't get into Froude number though...
SciShow
The Strange Effects of Diamond Dust
Bright pillars of light... clouds of glowing dust... shimmering discs floating around the sun... signs of extraterrestrial activity, or is there a more rational and scientific explanation for this phenomenon?
SciShow
Happy Tau Day!
June 28 is Tau Day! Join SciShow as we celebrate circles by exploring the many uses of twice pi.
TED Talks
Skylar Tibbits: Can we make things that make themselves?
MIT researcher Skylar Tibbits works on self-assembly -- the idea that instead of building something (a chair, a skyscraper), we can create materials that build themselves, much the way a strand of DNA zips itself together. It's a big...
TED Talks
Stephen Lawler: Tour Microsoft's Virtual Earth
Microsoft's Stephen Lawler gives a whirlwind tour of Virtual Earth, moving up, down and through its hyper-real cityscapes with dazzlingly fluidity, a remarkable feat that requires staggering amounts of data to bring into focus.
SciShow
This Illusion Might Not Work Depending on Where You're From
Optical illusions are a fun way to play with the way your brain interprets what your eyes see, but if some of them don't work for you, it might be because of where you live.
3Blue1Brown
But WHY is a sphere's surface area four times its shadow?
Two proofs for the surface area of a sphere
SciShow
How Can the Universe Be Flat?
Can geometry predict the future? Cosmologists think the overall curvature of universe can tell us secrets about how it will eventually end.
3Blue1Brown
But why is a sphere's surface area four times its shadow?
Two proofs for the surface area of a sphere
TED-Ed
The unexpected math of origami | Evan Zodl
Origami, which literally translates to "folding paper," is a Japanese practice dating back to at least the 17th century. In origami, a single, traditionally square sheet of paper can be transformed into almost any shape, purely by...
MinutePhysics
What Is The Shape of Space? (ft. PhD Comics)
A collaboration with Jorge Cham and Daniel Whiteson, check out "We Have No Idea" at http://www.wehavenoidea.com Jorge's PhDComics: http://www.phdcomics.com This video is about the local and global geometry and curvature of space and...
TED-Ed
The surprising secrets of hummingbird flight | Kristiina J. Hurme and Alejandro Rico-Guevara
In just a matter of seconds, hummingbirds can perform astonishing aerial acrobatics, eat lunch in midair, pollinate a flower, even escape threats while upside-down. And they can do this all while achieving sustained hovering flight— an...
Be Smart
How the Meter Became The Meter
The meter is the world's ultimate measure, but how did it become "the" meter? What is this measurement based on? The story of this revolution in measurement traces its roots to the French Revolution. Scientists decided that an equal and...
SciShow
The Strange Effects of Diamond Dust
Bright pillars of light... clouds of glowing dust... shimmering discs floating around the sun... signs of extraterrestrial activity, or is there a more rational and scientific explanation for this phenomenon?
TED-Ed
TED-Ed: Daniel Finkel: Can you solve the unstoppable blob riddle?
A shooting star crashes onto Earth and a hideous blob emerges. It creeps and leaps, it glides and slides. It's also unstoppable: no matter what you throw at it, it just re-grows and continues its rampage. The only way to save the planet...
TED-Ed
TED-Ed: How X-rays see through your skin - Ge Wang
Originally discovered by accident, X-rays are now used about 100 million times a year in clinics around the world. How do these magic eyes work? Ge Wang details the history and mechanics of the X-ray machine and CT scanners.
SciShow
Hydrogen Bonding…but With Carbon | Great minds: June Sutor
Proteins, and by extension our bodies, depend on the fact that atoms are arranged, spaced, and linked to each other in specific ways. And thanks to June Sutor, we have a better understanding of how those atoms come together and interact...
Crash Course
Rotational Motion: Crash Course Physics
Did you know that, at a certain point on a moving wheel... there's no motion? I mean, kinda... it's all relative, right? Prepare to have your mind blown in this episode of Crash Course Physics where Shini delves into the world of...
TED Talks
The joy of shopping -- and how to recapture it online | Nimisha Jain
Shopping is about more than just what you buy: it's a treasure hunt to discover something new, a negotiation to get a great deal, a time to catch up with friends and family. But for many, online shopping has turned the experience into an...
TED-Ed
TED-Ed: Euclid's puzzling parallel postulate - Jeff Dekofsky
Euclid, known as the "Father of Geometry," developed several of modern geometry's most enduring theorems--but what can we make of his mysterious fifth postulate, the parallel postulate? Jeff Dekofsky shows us how mathematical minds have...
Curated Video
WHAT IS A CT SCAN and why do we need it
Have you ever wondered what are ct scans used for? And how do they work? In this video, we will be answering all the lingering questions you may have about this popular medical imaging technique. DISCLAIMER: The content in this video is...