Picture a jeweler at work. Magnifier in hand, he examines a stone, studying the way light dances off it. He’s trying to determine whether it’s a diamond or merely cut glass, of engagement-ring quality ...

You really want to go to the science fair, but don’t have any ideas for some easy award winning science fair projects for 9th grade? No worries, we are here to help. So, you have decided to become a ...