If you knew what all the initial conditions were before you flipped a coin, you could predict with 100% accuracy whether it would land heads or tails. In this video the Action Lab Man conducts a number of interesting demonstrations to show the difference between chaos and randomness. In short, random events are unpredictable, and chaotic events seem random because we can't calculate them.
The National Science Foundation announced that it will decommission and demolish the iconic Arecibo radio telescope in Puerto Rico. This comes after two cables suspending the telescope's 900-ton receiver platform above its massive dish broke while others are weakening. Completed in 1963, the Arecibo Observatory has been a key instrument in the development of radio… READ THE REST
A paper out of Oxford University, "Video game play is positively correlated with well-being", reports that playing video games makes you happy. The study tracked 518 players of Plants vs. Zombies: Battle for Neighborville and 2,756 players of Animal Crossing: New Horizons. Key findings include: • Actual amount of time spent playing was a small… READ THE REST
"Our couch was the front line and our patience was our weapon." Absolutely amazing coronavirus 'stay at home' spot from the German government, above. You might not think of humor as an effective way to drive home the message that staying at home helps slow the spread of COVID-19. But that's what's most amazing about… READ THE REST
The average lighter is about as simple an idea as you'll find anywhere. Push a button and get a flame through the top. Unfortunately, simple ideas are often confronted with challenges. One of these challenges could be trying to light something you can't reach from underneath, like a candle. With a standard lighter, that means… READ THE REST
For every kid who ever approached a parent with the earnest and eager request to start learning to play an instrument, you'll find a parent who responded with a smile and said, "Sure, honey…anything except the drums, OK?" Of course, drums are the throbbing, beating heart of any band, from rock bands to marching bands… READ THE REST
Bridging the gap between the analog and digital worlds is a lot tougher than it seems. If you write notes on a piece of paper, you carry that paper with you until you need those notes. Generally, if an image, document, or even just information is created in the analog world, somebody literally has to… READ THE REST