TED Talks
TED: How radio telescopes show us unseen galaxies | Natasha Hurley-Walker
Our universe is strange, wonderful and vast, says astronomer Natasha Hurley-Walker. A spaceship can't carry you into its depths (yet) -- but a radio telescope can. In this mesmerizing talk, Hurley-Walker shows how she probes the...
Be Smart
Why Nature Loves Hexagons (featuring Infinite Series!)
From spirals to spots to fractals, nature is full of interesting patterns. Many of these patterns even resemble geometric shapes. One of the most common? Hexagons. Why do we see this six-sided shape occur so many times in nature? This...
SciShow
Electric Airplanes for the Future!
Hank tells us the outcome of the 2011 Green Flight Challenge and tells us why electric airplanes are the future of air travel.
SciShow
A Surprisingly Simple Secret to Supersonic Flight
Making a faster plane takes more than building better engines and structures. To go supersonic, engineers had to solve hundreds of problems -- including ditching one of the biggest assumptions in aerodynamics!
TED Talks
TED: A Saudi, an Indian and an Iranian walk into a Qatari bar ... | Maz Jobrani
Iranian-American comedian Maz Jobrani takes to the TEDxSummit stage in Doha, Qatar to take on serious issues in the Middle East -- like how many kisses to give when saying “Hi,” and what not to say on an American airplane.
SciShow
Why We've Only Ever Seen the Sun's Poles Once
The Ulysses mission revolutionized our understanding of the sun, but it's been the only orbiter to take this kind of out-of-ecliptic journey. Will an upcoming mission give us even more?
3Blue1Brown
Nonsquare matrices as transformations between dimensions | Essence of linear algebra, footnote
How do you think about a non-square matrix as a transformation?
TED Talks
Ismael Nazario: What I learned as a kid in jail
As a teenager, Ismael Nazario was sent to New York’s Rikers Island jail, where he spent 300 days in solitary confinement -- all before he was ever convicted of a crime. Now as a prison reform advocate he works to change the culture of...
TED Talks
Anna Mracek Dietrich: A plane you can drive
A flying car -- it's an iconic image of the future. But after 100 years of flight and automotive engineering, no one has really cracked the problem. Pilot Anna Mracek Dietrich and her team flipped the question, asking: Why not build a...
SciShow
The Giant, Amazing Machines NASA Built for the Shuttle
For decades the space shuttle was integral to space exploration. In orbit it helped build the ISS, but on the ground it needed help from other gigantic machines.
SciShow
Blazars Are A Thing
Hank explains how quasars and blazars are both the same thing - just oriented differently in respect to us - and how that impacts the way we perceive them and how it also effects the ways we can study them.
3Blue1Brown
Euler's Formula and Graph Duality - Part 2 of 4
A very clever proof of Euler's characteristic formula using spanning trees.
TED Talks
Ric Elias: 3 things I learned while my plane crashed
Ric Elias had a front-row seat on Flight 1549, the plane that crash-landed in the Hudson River in New York in January 2009. What went through his mind as the doomed plane went down? At TED, he tells his story publicly for the first time.
SciShow
Does Air on Planes Make You Sick?
If you get sick a few days after a flight, you might want to blame it on the recycled air in the plane- but planes aren't actually giant germ incubators.
SciShow
This One’s for the Birds: Your Bird Questions, Answered | Compilation
You probably don't think much about birds most of the time, but these little former-dinosaurs are amazing! So, here's a collection of videos in which we've tackled our viewers' biggest bird questions!
SciShow
Stealth: How to Hide a Plane
How do you engineer stealth? Sneak a peek at the methods employed to hide aircraft and boats from detection.
SciShow
Why Can't You Use Your Phone on a Plane?
Whether you've got the latest iPhone or the same flip phone you've had since 2002, you're still asked to turn off your device before take off. Why is that?
SciShow
Now, we can be as quiet as owls #shorts #science #SciShow
Now, we can be as quiet as owls #shorts #science #SciShow
3Blue1Brown
Visualizing turbulence
A look at what turbulence is (in fluid flow), and a result by Kolmogorov regarding the energy cascade of turbulence.
3Blue1Brown
Who cares about topology? (Inscribed rectangle problem)
This is an absolutely beautiful piece of math. It shows how certain ideas from topology, such as the mobius strip, can be used to solve a slightly softer form of an unsolved problem in geometry.
TED-Ed
TED-Ed: Can you solve the airplane riddle? - Judd A. Schorr
Professor Fukan_, the famous scientist, has embarked on a new challenge - piloting around the world in a plane of his own design. There's just one problem: there's not enough fuel to complete the journey. Luckily, there are two other...
SciShow
You Don’t Know Yourself as Well as You Think
How people assess their abilities doesn't often line up well with how they objectively perform. However, there does seem to be a good reason for this, as well as a way that people can get better.
SciShow
Why Do the Planets Orbit in the Same Plane?
While there is a little wiggle room, the planets in our solar system really are orbiting on mostly the same level. Why do they do that?
3Blue1Brown
Inverse matrices, column space and null space | Essence of linear algebra, chapter 7
How do you think about the column space and null space of a matrix visually? How do you think about the inverse of a matrix?