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.
7:56
Twisted Science: Tying The Strongest Molecular Knot
There are more than six billion known knot configurations. Scientists have used metal ions to tie the tightest molecular knot.
17:17
What Gives Bubbly Its Bubbles?
With New Year’s Eve just around the corner, SciFri salutes the fizz in your champagne flute.
Seeing The Patterns In Sound
A pair of artists finds ghostly imagery in sound vibrations.