"It's really complicated." The action begins 3 minutes in.
If you swirl a narrow-necked container to get the liquid inside moving in a vortex, the liquid will pour out much faster. The vortex allows air to flow in as liquid flows out, avoiding that inefficient glug-glug of alternating air and water. Image: YouTube / Mad Russian Scientist READ THE REST
This great demonstration of the Boycott effect, where "the rate at which solid particles sediment under the action of gravity can be greatly enhanced if the walls of the settling vessel are inclined rather than vertical." Discovered by Arthur Edwin Boycott in 1920, the effect is caused by convection and has important uses in everything… READ THE REST
Trackmania is a highly-customizable car-racing game renowned for the insane videos players generate, showing off feats that would be impossible or absurdly dangerous in real life. Feats such as showing 20,000 cars racing simultaneously around the track. Graham Smith explains at RPS: The video is the culmination of half a year of work by organiser… READ THE REST
With the announcement of the iPhone 12 just a few days ago, everybody is assessing their smartphone needs and making the big decision about upgrading. While the smartphone may be at the heart of these latest tech questions, it's probably also a good time to give your entire Apple device collection a once over and… READ THE REST
It's no newsflash to say the world is full of entertainment options. Heck, just restricting yourself to the digital universe, there are hundreds, even thousands of ways to learn new skills, improve your life, and yes, just relax and veg out on videos whenever you like. But with that many options for entertaining yourself, where… READ THE REST
If you're anything like millions of Americans, staying at home these past several months has been followed by a steadily increased diet of cooking shows. It's really not hard to understand why. If you can't go out to restaurants the same way right now, why not bring those delicious meals to you? The next logical… READ THE REST