It’s no secret that 5G networks drain battery. “To rectify that grim side effect, researchers at the University of Texas at Austin and the University of Lille in France have developed a new radio-frequency switch they say is 50 times more energy efficient than the current solid-state switches,” reports Popular Mechanics. From the report: The solution is actually rooted right in…
Tag: Hair
Sudoku as Spectator Sport is Unlikely Lockdown Hit
It may not be as hair-raising as Formula 1, nor as dramatic as Premier League football, but Sudoku solving is acquiring a niche following as a spectator sport. From a report: It’s surprisingly thrilling, believe me. Just ask fans of the puzzle-solving YouTube channel Cracking the Cryptic, which has seen its viewing figures shoot up over the last two months. Its…
A famous Mars meteorite, now with nitrogen
For the first time, nitrogen-containing organic molecules have been discovered in a Martian meteorite. The famous meteorite – Allan Hills 84001 – was picked up in Antarctica in 1984. The discovery provides more clues about habitable conditions on early Mars. Source: https://earthsky.org/space/mars-meteorite-alh-84001-1st-discovery-fixed-nitrogen…
MIT Develops a Way To Use Wireless Signals From In-Home Appliances To Better Understand Your Health
[R]esearchers at MIT’s Computer Science and Artificial Intelligence Lab (CSAIL) have developed a new system (PDF) that can figure out when and where in-home appliances like hair dryers, stoves, microwaves and washing machines are being used, and they believe that info could help inform healthcare practitioners about the habits and challenges of people under their care. TechCrunch reports: The researchers devised…
Closest Black Hole To Earth Found ‘Hiding in Plain Sight’
The massive cosmic object lurks in a star system you can see with the naked eye. From a report: During winter in the Southern Hemisphere, a blue point of light in the constellation Telescopium gleams overhead. The brilliant pinprick on the sky, which looks like a bright star, is actually two stars in close orbit — accompanied by the closest known…
Startups Pursue ‘Free Money’ With Relief Funds, Prompting Backlash
Some young companies have turned to the government loans not for day-to-day survival but simply to buy useful time. From a report: Domio, a start-up that offers short-term rentals, has its headquarters in a New York City loft that features beer on tap, a game room and a wall of house slippers for visitors. The fast-growing and unprofitable company has raised…
How coronavirus drifts through the air in microscopic droplets
Aerosols are the tiny particles of liquid and material that float around in our environment. When they come from an infected person, they may be a significant source of coronavirus transmission. The science of infectious aerosols. Source: https://earthsky.org/human-world/coronavirus-microscopic-droplets-infectious-aerosols…
What are gravitational waves?
First postulated by Albert Einstein in 1916 but not observed directly until September 2015, gravitational waves are ripples in spacetime. Source: https://earthsky.org/space/definition-what-are-gravitational-waves…
A beloved exoplanet turns to dust
Fomalhaut b was thought to be one of the few exoplanets photographed so far, but new observations from the Hubble Space Telescope show it’s really an expanding dust cloud. Source: https://earthsky.org/space/fomalhaut-b-not-an-exoplanet-instead-a-dust-cloud…
Mild Disney+ Censorship ‘Hides a Much Bigger Problem’
There’s a scene in the 1984 Tom Hanks movie Splash “showing a brief glimpse of a naked butt…” notes the Verge, “but people watching the movie on Disney Plus are greeted with an entirely different version of the scene.” And the Verge sees a larger issue: Disney used CGI hair to cover actress Daryl Hannah’s body. A Disney representative confirmed to…