physics Nice video explains why perpetual motion machines won't work Mark Frauenfelder

perpetual motion Can you spot how this "perpetual motion" machine works? Mark Frauenfelder

perpetual motion Free energy for sale: Steorn's impossible Orbo hits the market Michael Ferrier

perpetual motion Remember the perpetual motion machine called Orbo? It's back! Mark Frauenfelder

picks Happiness and fitness come from my DIY-Peloton: the 2020 update Jason Weisberger

Technology Augmented reality contact lenses get real David Pescovitz

Kids How facial recognition has turned summer camp into a dystopia for campers, parents, counsellors and photographers (but not facial recognition vendors) Cory Doctorow

optical illusions Cool optical illusion – this diamond shape appears to move Mark Frauenfelder

scams Here's how to spot a pyramid scheme David Pescovitz

sponsored The Poet of Code Boing Boing

toys The top that (almost) never stops Michael Borys

happy mutants Mary Shelley's Frankenstein (Now with Extra Monsters): At Least One Monster Per Paragraph! This Is Our Guarantee! Marc Laidlaw

mechanics Watch these mesmerizing mechanisms Mark Frauenfelder

happy mutants Listen up: you really owe it to yourself to read 15 Vlad Taltos novels, seriously Cory Doctorow

Codex Arundel A big chunk of Leonardo da Vinci's notebooks have been digitized and can be viewed online Rusty Blazenhoff

movies Review: High-Rise (2016) Rob Beschizza

Science Ask a Science Teacher – book with 250 questions about almost everything Mark Frauenfelder

elevators Elevators with no buttons, doors or stops Mark Frauenfelder

Riverside Dickens Festival Check out the Perpetual Motion Steampunk Ball, Riverside, CA this June 11th Jason Weisberger

Gadgets Fun "perpetual motion" gizmo made from office supplies Mark Frauenfelder