Dr. Universe: What materials would you use to make a rocket?
Whether it’s a model rocket you build in the backyard or one that launches a space shuttle, there are lots of materials you could use. So, when I saw your question I grabbed my lab coat and safety goggles, and zoomed over to my friend Jake Leachman’s lab. He’s a rocket scientist and engineer at Washington State University. » More …
Dr. Universe: What’s a microchip, how does it work, and what is it used for?
-Brook E., Doncaster, England
Microchips are smaller than your fingernail and packed with itty-bitty electronic parts. These parts are hundreds of times thinner than the hairs on your head, but sometimes you’ve got to think small to think big. » More …