The The Action Lab:
In this video I show you what happens when you bring a type II superconductor near ferrofluid that is in a magnetic field. Then I show you what happens when you pour a liter of ferrofluid on a giant neodymium magnet!
For today’s edition of “Deal of the Day,” here are some of the best deals…
It's not every day that someone whom you've been following for over 20 years, first…
Step aside wind and motors, there's a new mode of transportation in town: the Pedalbeest!…