16:29
Booting Up the Search for Better Batteries
New battery technology could make our devices safer, and help squeeze more power out of the grid.
17:22
Which New Battery Technology Will Take Electric Vehicles To The Finish Line?
Lithium ion may be good enough for now, but experts say that new battery tech will bring EVs to the next level.
Tips to Keep Your Drinking Water Clean
A few key points from experts on the Flint water crisis.
Make a Kite With Physics
Build a delta kite and explore some of the forces involved in flight. Challenge your design skills to improve your kite’s stability in the air.
8:02
Consider the Universe. Now, Subtract Time and Gravity.
Holographic cosmology is a way of simplifying mind-boggling mathematical models of our universe. But it doesn’t necessarily mean we live in a hologram.
6:35
Harvesting Power From the Gut
Researchers have designed a battery that runs on stomach acid to power ingestible sensors.
11:50
The High-Pressure Physics of Creating Metallic Hydrogen
Scientists theorize that metallic hydrogen could be used to create superconductors and high-powered rocket propellant.
Reverse Engineering Europa
By conducting experiments in ultra-chilled vacuum chambers, astrobiologist Kevin Hand hopes to inform how future NASA missions search for life on icy moons.
Build An Ultra High-Speed Toy Out Of Paper
Make a paper toy that spins thousands of times per minute, and then measure, and try to modify, its speed.
Why The Multiverse Isn’t Just Madness
The multiverse—the idea that infinite universes stretch beyond our own—has gained traction among physicists. But others think it’s just a multi-mess.