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 A mysterious force could annihilate the universe The Biggest Company You’ve Never Heard Of Future of Screen Technology Are We All Related? What is Energy? The Most Astounding Fact (Neil DeGrasse Tyson)