Featured in electromagnets
Watch Super-Powerful Electromagnets Shrink Quarters
Don't try it at home
Only You Can Lift This DIY Hammer Of Thor
Build an electromagnetic superhero hammer that responds to your touch
Lexus Unveils Its Working Hoverboard
At the only skatepark where it works
These Mini Robots Could Form An Injection Gun In Your Bloodstream
“large impulsive forces to penetrate tissue”
Watch A Tiny Origami Robot Crawl, Climb, Swim, and Dissolve
Magnets, that's how it works
Watch A Homemade Coilgun Destroy A Laptop
It's an electric gun, boogie woogie woogie.
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...
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...
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...