Crash Course Kids
Designing a Trial
It's time to design some trials. Sometimes engineers need to figure out how to test ideas. In order to do that, we need to design trials to find failure points and see how things are going to work in the real world (with gravity, wind,...
TED Talks
Kevin Stone: The bio-future of joint replacement
Arthritis and injury grind down millions of joints, but few get the best remedy -- real biological tissue. Kevin Stone shows a treatment that could sidestep the high costs and donor shortfall of human-to-human transplants with a novel...
TED Talks
TED: A friendly, autonomous robot that delivers your food | Ali Kashani
Meet the friendly robot that could deliver your next burrito. Ali Kashani introduces us to Postmates' autonomous delivery robot and explains how it could help reduce carbon emissions and free up valuable real estate in cities everywhere....
SciShow
3 Weird, Real Ways We Could Fix Icy Roads
Salting roads in the winter is pretty commonplace in areas of the world that see freezing temperatures, but it isn't the only solution.
SciShow
Could Solar Panels in Space Solve all Our Energy Needs?
We need more solutions for our energy needs, and one idea is straight out of science fiction: Solar panels, in space.
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...
TED Talks
TED: The "greenhouse-in-a-box" empowering farmers in India | Sathya Raghu Mokkapati
For smallholder farmers in India, agriculture has long been an unreliable source of income -- crops that flourish one season can fail the next, thanks to heat, pests and disease. But climate risk is now making the profession nearly...
SciShow
Litmus Test SciShow Experiments
Do science at home with Hank in this episode of SciShow - you'll learn how to make your own litmus paper, what it's good for, and how it works.
SciShow
How an Ancient Remedy Became a Modern Cure for Malaria
In the 1960s drug-resistant strains of malaria emerged, making the disease even deadlier than before. Then, pharmaceutical scientist Tu Youyou discovered a promising new remedy buried within the pages of ancient Chinese texts.
TED Talks
TED: Why I'm a weekday vegetarian | Graham Hill
We all know the arguments that being vegetarian is better for the environment and for the animals -- but in a carnivorous culture, it can be hard to make the change. Graham Hill has a powerful, pragmatic suggestion: Be a weekday veg.
TED Talks
Jennifer Granholm: A clean energy proposal -- race to the top!
Kicking off the TED2013 conference, Jennifer Granholm asks a very American question with worldwide implications: How do we make more jobs? Her big idea: Invest in new alternative energy sources. And her big challenge: Can it be done with...
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?
TED-Ed
TED-Ed: How does heart transplant surgery work? | Roni Shanoada
Your heart beats more than 100,000 times a day. In just a minute, it pumps over five liters of blood throughout your body. But unlike skin and bones, the heart has a limited ability to repair itself. So if this organ is severely damaged,...
Crash Course Kids
Testing and Trials
More trials! This time we need to figure out what to do if you don't have all the things you'd like to have to perform your tests. How do you isolate a variable across multiple tests? A good engineer will work to find a way to make it...
3Blue1Brown
Binary, Hanoi, and Sierpinski - Part 2 of 2
How counting in Ternary can solve a variant of the Tower's of Hanoi puzzle, and how this gives rise to a beautiful connection to Sierpinski's triangle.
TED Talks
The promise of quantum computers | Matt Langione
What if tiny microparticles could help us solve the world's biggest problems in a matter of minutes? That's the promise -- and magic -- of quantum computers, says Matt Langione. Speaking next to an actual IBM quantum computer, he...
TED Talks
Al Gore: What comes after An Inconvenient Truth?
At TED2009, Al Gore presents updated slides from around the globe to make the case that worrying climate trends are even worse than scientists predicted, and to make clear his stance on "clean coal."
Crash Course Kids
The Great Picnic Mix Up
So you know that iced tea you like so much? Or that sweet soda drink? They're actually a few different things combined to make a new thing. In this episode of Crash Course Kids, Sabrina talks about all the different mixtures, solutions,...
Crash Course Kids
Fixing Failure Points
Now that we've talked about failure points, let's talk about how to fix them. In this episode of Crash Course Kids, Sabrina shows us how to set up models and trails to find and fix failure points.
Crash Course Kids
Succeed by Failing
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...
TED Talks
Erik Schlangen: A "self-healing" asphalt
Paved roads are nice to look at, but they're easily damaged and costly to repair. Erik Schlangen demos a new type of porous asphalt made of simple materials with an astonishing feature: When cracked, it can be "healed" by induction heating.
SciShow
Can We Keep Neurons Active…with Algae?
Cyanobacteria and other microbes produce a lot of oxygen. What if we could use that oxygen to power our brains?
SciShow
Can We Change Earth’s Orbit?
Climate change is a big problem, but could we solve it by giving the earth a little nudge?