Featured in electromagnets
Jul 01, 2016
Only You Can Lift This DIY Hammer Of Thor
Build an electromagnetic superhero hammer that responds to your touch
Jun 26, 2015
These Mini Robots Could Form An Injection Gun In Your Bloodstream
“large impulsive forces to penetrate tissue”
May 29, 2015
Watch A Tiny Origami Robot Crawl, Climb, Swim, and Dissolve
Magnets, that's how it works
Aug 10, 2013
Watch A Homemade Coilgun Destroy A Laptop
It's an electric gun, boogie woogie woogie.
May 17, 2012
Video: MIT’s Latest User Interface Employs Gravity-Defying, Levitating Metal Orbs
The future of user interfaces seems to be gesture-based, at least if one simply looks at where research dollars are...
Jun 29, 2011
How to Build a Sweet-Sounding Tube-Amp iPod Dock
Half a century ago, vacuum tubes were very common in audio amplifiers. A small voltage applied to the grid of...
Jun 28, 2011
German Lab Generates the Strongest Magnetic Field Ever Created
Call it another victory for German design. Researchers in Dresden have set a new world record for the strongest magnetic...