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
Watch this mesmerizing visualization of the physics of Kung Fu
Via Abakcus: When working on this project, Tobias Gremmler was deeply inspired by the dynamics of motion and philosophy of Kung Fu. Masters: Lee Shek Lin, Wong Yiu Kau. Visualizing the invisible is always fascinating, and motion visualizations have been created even in pre-digital times with light, photography, costumes or paintings. Gremmler has described some… READ THE REST
Real-life scientists prove that Thanos's snap couldn't have happened
Remember Avengers: Infinity War? I know you saw it. And how Thanos put on the Infinity Gauntlet and then snapped his fingers and then wiped out half of all life in the universe? Yeah, well get this: that couldn't have actually happened in real life! Specifically, Thanos couldn't have snapped his fingers while wearing a… READ THE REST
Marvel at this crowned pulley
It looks like the band should work its way off this belt-drive system, but a crowned pulley works opposite of what appears intuitive. Woodgears: To better demonstrate the principle, I built a jig from lego, using a rubber band and an exaggerated crowned wooden pulley. The higher section of the crowned pulley puts more tension… READ THE REST
This Indiegogo-funded massage gun is exactly what your sore muscles are screaming for
We thank our sponsor for making this content possible; it is not written by the editorial staff nor does it necessarily reflect its views. The New Year has come and gone, and your resolution to eat healthier and get in shape is in full effect. But with extra visits to the gym and physical activity comes sore,… READ THE REST
Set up the creative space you've always wanted with this sewing table for $199
We thank our sponsor for making this content possible; it is not written by the editorial staff nor does it necessarily reflect its views. Once the holidays are over, organizing, renovating, and refreshing our home spaces is always a great way to kick off the new year. Why not treat yourself to that little crafting… READ THE REST
This multi-functional laser measurer is a toolbox must-have, and it's 20% off
We thank our sponsor for making this content possible; it is not written by the editorial staff nor does it necessarily reflect its views. What do shopping for furniture, hanging photos on the wall, and doing large-scale art projects all have in common? Aside from making you want to momentarily tear your hair out, these… READ THE REST
