Ultrasound uses high frequency sound waves to create pictures of what is going on in our body.
Ever heard of Yttrium? It's what's called a 'rare‑earth element', one of seventeen rare‑earth elements.
Today we throw them away, but tomorrow rice husks may be how we power our cars.
While today's glass is definitely amazing stuff, it does have it's drawbacks. Will a new type of coating eliminate these problems in the future?
What's five times as strong as steel, twice as tough as Kevlar, and can be stretched over thirty percent in length without breaking?
It may seem like virtually everything these days is wireless phones, computers, WiFi. Everything, that is, except maybe the most important thing: electricity.
Ocean waves pack so much power, in fact, that if we were able to harness all that wave energy, we'd have more than enough power to get rid of fossil fuels.
Renewable energy sources are cleaner and more environmentally friendly than fossil fuels. But you can't store wind or sun like you can oil or coal. Or can you?
You have probably seen wind farms popping up in your neighborhood. How do scientists know where wind farms will succeed?
Measuring movement is pretty tricky. Scientists are developing radar sensors that attach to people's shoes.