Digital Sand is a Mesmerizing Display of Physics and LEDs
These DIY physics toys allow you to play with digital LED sand. They’re fun and easy to make, and mesmerizing to watch.
Physics
Physics Girl Builds an Acoustic Levitator
Explore the floaty properties of sound with acoustic levitation.
Weekend Watch: High Schoolers Teach Science at A3Academy
Young people teaching science as they learn it themselves.
The Fascinating Physics of a Floating Screwdriver
Float a screwdriver in mid-air. And then discover how and why this cool trick works.
Working Lego Particle Accelerator
Playtime just got a lot more physical and experimental with this Lego “Large Brick Collider.”
Designing a Modern Newton’s Cradle from Scratch
Ben Watson wanted to know how a Newton’s Cradle worked, so he built one.
Why It’s So Hard to Land a Rocket on Its Tail
On Monday history was made. For the first time ever a rocket stage that delivered a payload to orbit turned around and returned, landing safely on its tail.
