Flaws In Zoom’s Keybase App Kept Chat Images From Being Deleted

chicksdaddy writes: The Security Ledger reports that a flaw in Zoom’s Keybase secure chat application left copies of images contained in secure communications on Keybase users’ computers after they were supposedly deleted, according to researchers from the security research group Sakura Samurai. The flaw in the encrypted messaging application, CVE-2021-23827 does not expose Keybase users to remote compromise. However, it could…

Cosmic ray originated in cataclysmic event

Astronomers found a high energy neutrino – a cosmic ray – that apparently originated during a “tidal disruption event,” that is, when a supermassive black hole shredded a distant star. Source: https://earthsky.org/space/origin-cosmic-ray-when-black-hole-shreds-star…

Astrophysicists design ‘radically different’ world map

You know the old problem of how to portray the round globe of Earth on a flat map? Now a trio of map experts has worked together to solve this problem. Their new map is 2-sided and round. Source: https://earthsky.org/earth/astrophysicists-new-design-world-map…

Ghost particle from shredded star reveals cosmic particle accelerator

Tracing back a ghostly particle to a shredded star, scientists have uncovered a gigantic cosmic particle accelerator. The subatomic particle, called a neutrino, was hurled towards Earth after the doomed star came too close to the supermassive black hole at the center of its home galaxy and was ripped apart by the black hole’s colossal gravity. It is the first particle…

Are Texas Blackouts a Warning About the Follow-on Effects of Climate Change?

This week in America, “continent-spanning winter storms triggered blackouts in Texas, Oklahoma, Mississippi and several other states,” reports the New York Times. But that was just the beginning… One-third of oil production in the nation was halted. Drinking-water systems in Ohio were knocked offline. Road networks nationwide were paralyzed and vaccination efforts in 20 states were disrupted. The crisis carries a…

The Rich Got Richer: GameStop’s Trading Frenzy Benefited Wall Street’s Elite

While GameStop’s surge has been heralded as a victory for underdogs, “Growing evidence casts doubt on the idea that the episode mostly benefited small-time investors…” reports the Washington Post. (Alternate URLs here and here “And, in at least some cases, novice investors lost their shirts.” Giant mutual funds that own the largest stakes in GameStop saw the biggest gains in value….

Today in science: A spacecraft obliterated a sundog

On February 11, 2010, a solar observatory launched into space ripped apart a sundog and created a new ice halo that amazed scientists. Source: https://earthsky.org/human-world/video-when-a-spacecraft-destroyed-a-sundog…

Pfizer Is Doubling Its Output of Covid-19 Vaccines

31.9 million Americans have already received one or both doses of a Covid-19 vaccine — including more than 9.3 million people who have been fully vaccinated. And now USA Today reports: Pfizer expects to nearly cut in half the amount of time it takes to produce a batch of COVID-19 vaccine from 110 days to an average of 60 as it…

Was GameStop’s Rise Actually Orchestrated By Hedge Funds?

Robert J. Shapiro advised senior members of the Obama administration on economic policy, and served as an Under Secretary of Commerce under Bill Clinton. Now a senior fellow at the McDonough School of Business at Georgetown, he’s suspicious of the surge in GameStop’s stock price:
Allegedly, this is the tale of scrappy, small online day traders buying shares of a beleaguered company…

A New Lens Technology Is Primed To Jump-Start Phone Cameras

An anonymous reader quotes a report from Wired: A new company called Metalenz, which emerges from stealth mode today, is looking to disrupt smartphone cameras with a single, flat lens system that utilizes a technology called optical metasurfaces. A camera built around this new lens tech can produce an image of the same if not better quality as traditional lenses, collect…