Physics Girl
What are antibubbles?
Learn how to make antibubbles and the science behind these fun, unusual spheres.
Latest in
Physics Girl
Sponsorship
Physics Girl
How 3D holograms work
Unlike a camera, holograms capture an entire light field to recreate the 3D scene.
Physics Girl
Is energy always conserved?
Light passing through the universe is "shifted" into cooler colors, but how?
Physics Girl
Are perpetual motion machines possible?
Are these machines possible without violating the laws of physics? No.
Physics Girl
Quantum Cryptography Explained
With recent high-profile security cases, encryption is more important than ever.