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 Fishing Lines Are Made One Innovator Thinks Farms Need To Grow Vertical Nature’s Strongest Material Comes From Sea Snails 9 charts to be thankful for: humanity is getting better 30 Days Timelapse at Sea The Fastest Human-Made Object Ever