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 These Strange Metals Could Make Electronics Perfectly Efficient Can Science Prove You’re In Love? How Explosions On The Sun Affect Space Weather A mysterious force could annihilate the universe The Loneliest Tree in the World Earth-Like Planet Discovered! What You Need To Know