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 How do solar panels work? Vending Machine Dispenses Live Crabs The Speed of Light is NOT About Light Could Magnonics Spark the Extinction of Electronics? The Backwards Brain Bicycle Gallium Element – Beating Heart Reaction