Featured in electromagnets

Watch Super-Powerful Electromagnets Shrink Quarters
Only You Can Lift This DIY Hammer Of Thor
Lexus Unveils Its Working Hoverboard
These Mini Robots Could Form An Injection Gun In Your Bloodstream
Watch A Tiny Origami Robot Crawl, Climb, Swim, and Dissolve
Watch A Homemade Coilgun Destroy A Laptop
Video: MIT’s Latest User Interface Employs Gravity-Defying, Levitating Metal Orbs
How to Build a Sweet-Sounding Tube-Amp iPod Dock
German Lab Generates the Strongest Magnetic Field Ever Created