The demonstration shows how kneecaps provide leverage. I'm happy the Flying Spaghetti Monster built us this way.
Why we have kneecaps
Physics puzzler: stationary ball suddenly moves without force
A ball is sitting motionless on a dome. According to standard physics, it should stay put indefinitely, at least until the ball or the dome is perturbed. Suddenly, it begins… READ THE REST
Scientists detect most powerful cosmic particles ever found bombarding Earth right now
LIKE BOING BOING BUT NOT THE ADS? CLICK HERE TO GO AD-FREE! Earth is being hammered by the most powerful cosmic particles ever detected, according to new findings from a telescope… READ THE REST
Technical Chernobyl animation shows how an RBMK reactor explodes
Higgsino physics published a straightforward (if not exactly simple) animation showing what went wrong at Chernobyl. It's like a physics equivalent to those "every day from your favorite war" animations… READ THE REST
Learn 14 languages at home with Babbel
TL;DR: Get lifetime access to Babbel's language learning app, featuring 10,000+ hours of content, 14 languages, and bite-sized lessons, for just $149.99 (originally $599)—only through January 25. Traveling the world is more… READ THE REST
Kids can build their own Smartwatch
TL;DR: Kids can build their own Smartwatch and virtual pet with the CircuitMess DIY Wearable Bundle, now $199 (reg. $214). Kids are surrounded by technology, but that doesn't necessarily mean they understand… READ THE REST
Goodbye TikTok, hello brainscrolling
TL;DR: Stop wasting time scrolling and start learning—Pearls Premium gives you lifetime access to bite-sized, 15-minute summaries of bestsellers for just $29.99. TikTok might get banned, and while it may feel… READ THE REST
