Friction is what stops coins from spinning. In this video, The Action Lab demonstrates a number of spinning things nd spinning surfaces to explain how friction affects how long they spin, and the best surfaces for keeping them spinning as long as possible.
How to spin a coin for two minutes
How to calculate the power of a black hole collision
After writing about the collision between two black holes that weren't "supposed to exist," I received the following email from Álvaro Díez, a particle physicist at the University of Warsaw: Being a huge astrophysics enthusiast, I just built a Black Hole Collision Calculator that explains the after-effects of a star (or any astronomical object) being eaten by… READ THE REST
The AquaSprouts Garden creates a perfect life balance, right on your desktop
Sitting at a desk all day can get pretty boring. Slaving away at work tasks or squeezing a stress ball are ways to combat the sameness, but the best desk accessories can actually mentally transport you away from the humdrum for a moment. This is why we can wholeheartedly recommend being able to gaze in… READ THE REST
This AWS training and practice test package can help you become a certified cloud expert
You may have thought that after 2020, every company that was thinking about moving their digital operations into the cloud had probably made the move already. While many companies made the switch last year, it was by no means all companies – and, 2021 still stands to be a huge year of continued growth for… READ THE REST
Cubcoats are a kid's dream jacket that actually turns into a stuffed animal
When you come up with a good idea that hits home with kids, you know it almost immediately. Creators Zac Park and Spencer Markel thought they could launch a business around the Cubcoats, a 2-in-1 child's jacket they developed that folds down into a plush toy. But, it wasn't until they built a prototype and… READ THE REST