Steve Spangler is famous for being the scientist who popularized throwing Mentos in a bottle of soda to create a gushing soda geyser. Plus, other demonstrations you can do at home that reveal the ...

Steve Spangler reveals the secrets of color, with amazing experiments you can do at home. He’ll show you how to create clouds of color with do-it-yourself rainbow powders. Plus, what ink manufacturers ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. With Halloween right around the corner, ...

How sharp does a chisel really need to be? How hard should you hit with a hammer? This entertaining guide to the scientific principles behind the use of everyday tools takes the stress - and the pain ...

To encourage do-it-yourself civic science, Public Lab offers kits for making your own spectrometer. Credit: Jeff Warren on Flickr This is your first of three free stories this month. Become a free or ...