BatteriesGearThe iPhone 12 Ships Without a Charger. Will It Curb E-Waste?By Julian ChokkattuScienceAI Is Throwing Battery Development Into OverdriveBy Daniel OberhausBusinessElon Musk Promises a $25,000 Tesla in 3 Years—AgainBy Aarian MarshallScienceHow to Watch Tesla’s Battery Day Event—and What to ExpectBy Daniel OberhausScienceAre Radioactive Diamond Batteries a Cure for Nuclear Waste?By Daniel OberhausScienceSolar Panels Are Starting to Die, Leaving Behind Toxic TrashBy Maddie StoneScienceThis Cobalt-Free Battery Is Good for the Planet—and It WorksBy Daniel OberhausScienceWhat Happens After a ‘Million-Mile Battery’ Outlasts the Car?By Maddie StoneScienceIndia Is Using More Solar Energy—but It Carries a Lead RiskBy Anuradha VaranasiTransportationAs Other Carmakers Retrench, Volvo's Battery Lab Plugs AwayBy Eric AdamsScienceA Truly Green Electric Grid Will Need Very Big BatteriesBy Eva HollandScienceCharge a Car Battery in 5 Minutes? That’s the PlanBy Daniel OberhausScienceWant Electric Ships? Build a Better BatteryBy Daniel OberhausGearJames Dyson Is Thinking About Your Hair (Among Other Things)By Lauren GoodeScienceThe Next Generation of Batteries Could Be Built by VirusesBy Daniel OberhausScienceWelcome to the Era of Supercharged Lithium-Silicon BatteriesBy Daniel OberhausScienceScientists Made a Nearly Invincible Lithium-Ion BatteryBy Daniel OberhausTransportationMore Powerful Batteries Make This a True Electric Car RaceBy Alex DaviesScienceA Nobel for Gadgets! Lithium-Ion Batteries Win the PrizeBy Adam RogersScienceTesla May Soon Have a Battery That Can Last a Million MilesBy Daniel OberhausGearHow To Get the Most Out of Your Smartphone BatteryBy David NieldTransportationBored Charging Your Tesla? Play a Videogame Right in Your CarBy Alex DaviesTransportationDyson Patent Applications Offer Hints at Its Electric CarBy Alex DaviesTransportationVW Will Make Its Own Batteries to Power an Electric FutureBy Alex DaviesMore Stories