
Somebody put liquid mercury in a balloon, then dropped it on the ground to see what would happen.

Somebody put liquid mercury in a balloon, then dropped it on the ground to see what would happen.
It's comforting to know that Professor Eric Laithwaite (1921-1997) former Professor of Heavy Electrical Engineering at Imperial College London and inventor of the maglev trains felt the same way as… READ THE REST
Here's a nifty demonstration of how to modify a Lego car to go up a glass incline. It slips at 20 degrees until it's converted to a 4-wheel drive. At… READ THE REST
The Action Lab Man starts this video by pinning his hand between a large neodymium magnet and a bunch of 1943 steel pennies. He repeats the demonstration with a Stretch… READ THE REST
TL;DR: Microsoft Windows 11 Pro + The Essential Windows 11 Pro Course is available for only $19.97 (MSRP $237) until Nov. 16 at 11:59 p.m. PT. As of October 2025, Microsoft has phased… READ THE REST
TL;DR: Microsoft Office Professional 2021 for Windows is now $39.97 (MSRP $219.99). Ramping up for the most important quarter of the year for many industries, you're going to want to be organized… READ THE REST
TL;DR: A realistic remote-powered Chinook-style military helicopter can be yours for $49.99 (MSRP $58.99). Craving some quality flying time? Pilot a realistic RC military helicopter, the SYMA Revolt S026H Chinook for just $49.99 (MSRP $58.99).… READ THE REST