Why your laptop charger is so hot Turns out, Nikola Tesla is partly to blame. Liz Scheltens explains, with a little help from NPR’s Planet Money. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Can We Really Have Stealth Helicopters When They’re So Loud? The Irresistible Rise of AliExpress We May Have Just Found the Strongest Material in the Universe A guide to the energy of the Earth The Most Radioactive Places on Earth The Untold Story of Magic Leap, the World’s Most Secretive Startup