20:37
Resetting the Theory of Time
Physicist Lee Smolin explains his theory of time, and why the future of physics depends on it.
25:53
When Great Scientists Got It Wrong
In Brilliant Blunders, Mario Livio explores colossal errors by science’s greatest minds.
46:30
Exploring an Ever-Expanding Universe
Saul Perlmutter discusses his Nobel Prize-winning work measuring the accelerating expansion of the universe.
11:16
Scientists Try to Take Antimatter’s Measurements
How can you measure the mass of a particle of antimatter? Might it fall up?
4:17
Building Synthetic Tissues from Water Droplets?
Researchers turned tiny water droplets into cooperating networks that can change shape and pass electrical signals.
5:31
Physicists Tie Water Into Knots
If you thought a smoke ring was fancy, check out these fluid knots.
13:16
A Natural Particle Accelerator, Far Above the Planet
Closer study of the Van Allen radiation belts above Earth is providing new questions for science.
5:06
Turning Girl Scout Cookies Into Graphene
Scientists have transformed baked goods into graphene, worth two million times the price of gold.
12:04
Inventors Design Lamp Powered Entirely by Gravity
The gravity-powered device uses a weight to generate up to 30 minutes of light as it descends.
6:31
Negative Temperatures That Are Hotter Than the Sun
Scientists have cooled potassium gas to one billionth of a degree below absolute zero. But in the quantum world, that’s actually “hotter” than the sun. How is that possible?