This video demonstrates a simple sink-based illusion that makes shapes appear to float using basic materials and water surface tension. It explores how timing, placement, and light manipulation create ...

Meghan Walbert is Lifehacker's Managing Editor. She has a degree in journalism and has worked at Lifehacker as a writer and editor since 2018, covering parenting, foster care, online child safety, and ...

SALT LAKE CITY (KUTV) — Former elementary school teacher Matt Shurtleff — known to many students as “Matt the Mad Scientist” — demonstrated how sound waves move using water and lasers. Shurtleff, who ...

This experiment demonstrates how water at different temperatures has different densities, creating beautiful layering effects. You'll see how warm and cold water interact and learn about density ...

Many people think science is difficult and needs special equipment, but that’s not true. Science can be explored at home using everyday materials. Everyone, especially children, naturally ask ...