The Van Allen Belts are donut-shaped rings of radioactive particles that encircle the Earth. They can damage satellites and pose a bit of a risk for human astronauts who venture outside our planet's protective magnetic field and into the regions of the belts. Back in high school, you probably learned that there were two of them. But, it turns out, under certain situations, this planet actually has three Van Allen Belts. The story about this at Nature News, written by , is a joy to read. You really get a sense of how totally scientists' minds were blown by this discovery.
Don't try this. Dianna from Physics Girl showed how under highly controlled conditions it's possible to dip one's hand into boiling oil without injury. The video is unlisted and age-restricted to keep children and dummies from trying to replicate the physics demonstration that's often done with molten metal. Image: YouTube / Physics Girl READ THE REST
Because Trump is an enemy of science. "Scientific American has never endorsed a presidential candidate in our 175-year history—until now," tweeted the publication today. "The 2020 election is literally a matter of life and death. We urge you to vote for health, science and Joe Biden for President." Excerpt: The evidence and the science show… READ THE REST
Reindeer herders in the Russian Arctic's Lyakhovsky Islands found a preserved carcass of a cave bear frozen in the ice between 22,000 and 39,500 years ago. From the North-Eastern Federal University in Yakutsk: [North-Eastern Federal University} scientist Lena Grigorieva said of the island discovery of the adult beast: 'Today this is the first and only find… READ THE REST
DevOps moves so fast they had to mash two words together into the job title so they could be said faster. It's a process of lightning-fast experimentation and iteration. Try something, see if it works, optimize it, and move forward. It's a constantly charging sequence of events that requires more than just the development talent… READ THE REST
In our new reality, you've undoubtedly been looking for fun and inventive new ways to enjoy an evening. So if you're not exactly feeling comfortable spending a night out at your favorite Italian restaurant right now, why not have an inspired date night or host a small gathering of social distanced friends while an 84-year-old… READ THE REST
If you've been hacking away at meat or vegetables with blunted kitchen knives, annoyed that they're so dull that it's starting to feel more like tenderizing than slicing, you should probably stop. Dull knives are more than just a nuisance. They aren't safe. The worn-down edge of your blade requires more force from you to… READ THE REST