WASHINGTON (ABC7) — Science YouTuber Nick Uhas stopped by with several mind-blowing experiments, including a reactor pod with Beaker Creatures, a liquid nitrogen super cloud, and a bursting foam ...

Calcium carbonate is a chemical found in eggshells, seashells, and many other materials. Observe how calcium carbonate reacts with common liquids. A Plaster Master or a Plaster Disaster Plaster is ...