Posts
Water Flowing Uphill?
Not exactly... but this stuff is really cool. It's probably best described as a self-siphoning gel. The chemical is called polyethylene oxide or Polyox and it has an incredibly large molecular weight - about 4 million. When the powder is mixed…
Young Rocket Scientists Inspired by Homer Hickam
Only a very cool teacher gives this kind of homework to her students... "Using only construction paper and tape, I want you to design a rocket." Lisa Heaton, the Gifted and Talented teacher showed her students a specially designed rocket launcher…
