GRAND RAPIDS, Mich. — When we stopped by Plainfield Child Care in Grand Rapids, we discovered some very young kids that we were eager to learn. That said, we had to keep things simple for the age ...

WXMI — In our science experiment today, we look at a disappearing coin trick, which really is no trick at all. It illustrates density and refraction. Some things are more dense (or heavier) than other ...

Create a colorful tower of liquids that stack on top of each other based on their densities. This experiment demonstrates how different liquids have different densities and why some liquids float ...

Scientists at China’s EAST tokamak have achieved plasma densities beyond long-standing limits using plasma-wall self-organisation.