mechanical engineering Watch this loud contraption shake coins to create unhackable crypto wallets Ellsworth Toohey

News Don't hate the drinking fountain button — it's just misunderstood Mark Frauenfelder

youtube Lego bricks come to life in mesmerizing mechanical contraption Mark Frauenfelder

mechanical engineering How does a gas pump know when to turn itself off? Gareth Branwyn

robots Electromechanical "skin" turns everyday objects into robots David Pescovitz

Science Wood that's stronger than steel David Pescovitz

Science Microfluidic LEGOs for scientific research David Pescovitz

Kids Watch this gorgeous two-valve Stirling engine in action Andrea James

rubik's cube World's largest Rubik's Cube you can solve by hand David Pescovitz

video Guy builds his own single-seat thrill ride Andrea James

video Watch a gentleman ride his craptacular gas-powered horse Andrea James

Science Robot solves Rubik's cube in 103ms, breaks world record Gail Sherman

gadgets Cleaver mechanical keyboard machined from aluminum block Rob Beschizza

Art and Design How the Willis Wonderland pop-up book actually popped Rusty Blazenhoff

politics Ryan Routh: former Trump-supporting Hawaii handyman with a criminal past Ellsworth Toohey

robots Robot face is made of living human skin (video) Allan Rose Hill

Science Greatest mechanical calculating devices of all time Jason Weisberger

Art and Design This drawbridge is a work of art Gail Sherman

inventions Hear Raymond Scott's amazing musical inventions Bob Knetzger