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 The World’s Quietest Room Why Is Only Half of My Nose Working? Why Do We Dream? How Do We Get Energy From Trash? The U-2 spy plane lands with a “controlled crash” every time Why Astronauts Need This Cancer Shield In Space