'What Is This Thing Called?' Is Today's Best Weird Tumblr

Popular Mechanics'What Is This Thing Called?' Is Today's Best Weird TumblrPopular MechanicsFrom the land of misfit single-serving Tumblrs comes this one, What Is This Thing Called. It's exactly what it sounds like: A collection of familiar items or substances—like the sticky polymer that holds a mailed debit card in place or that thing your ...