chargeScienceThe Physics Behind Plastic Sheets … and Their Force Fields?ScienceLet's Geek Out on the Physics of Leyden JarsGearFitbit Announces Three New Wearables, Including a Fancy 'Super Watch'GearWTF Just Happened: My Gadget Charged Very Slowly (Or Not at All)GearFast, Big and Light: Hands-On With Verizon's Droid ChargeGearSecond 4G Verizon Phone Debuts in Wake of Network OutagesGearSamsung's First Droid Smartphone to Drop on April 28