Most exoplanets orbiting close to their stars don’t have atmospheres. But Gliese 486b – orbiting a red dwarf star only 24 light-years away – does. It’s close enough to see well. Astronomers will be watching it! Source: https://earthsky.org/space/gliese-486b-hot-super-earth-with-atmosphere…
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How Worried Should You Be About Those Tom Cruise Deepfakes?
Are the TikTok deepfake videos of Tom Cruise doing magic and playing golf a threat to global democracy? Not exactly. “[T]he reality is that they took a lot of time, technical expertise, and the skilled performance of a real actor,” reports VICE News. “Rather than predicting a dark future of disinformation for the masses, they’re simply another example of what can…
AI Ethics Research Conference Suspends Google Sponsorship
The ACM Conference for Fairness, Accountability, and Transparency (FAccT) has decided to suspend its sponsorship relationship with Google, conference sponsorship co-chair and Boise State University assistant professor Michael Ekstrand confirmed today. From a report: The organizers of the AI ethics research conference came to this decision a little over a week after Google fired Ethical AI lead Margaret Mitchell and three…
Closest Mars-Pleiades conjunction until 2038
This year – on March 3, 2021 – the red planet Mars and the Pleiades star cluster – also known as the Seven Sisters – stage their closest conjunction on the sky’s dome until February 4, 2038. Source: https://earthsky.org/tonight/closest-mars-pleiades-conjunction-until-2038…
A Folding iPhone Could Be Coming In 2023
Analyst Ming-Chi Kuo says that Apple could be launching a folding iPhone in 2023, and that the phone could have a screen between 7.5 and eight inches. The Verge reports: There have been numerous reports about Apple prototyping a folding iPhone, but according to MacRumors, Kuo says that the product has “not yet officially kicked off.” According to Kuo, the screen…
Google-Free /e/ OS Is Now Selling Preloaded Phones In the US, Starting At $380
An anonymous reader quotes a report from Ars Technica: /e/ OS, the “open-source, pro-privacy, and fully degoogled” fork of Android, is coming to Canada and the USA. Of course, you’ve always been able to download the software in any region, but now (as first spotted by It’s Foss News) the e Foundation will start selling preloaded phones in North America. Previously,…
Mercury’s greatest elongation Mar 6, 2021
Mercury, the innermost planet, has a close conjunction with the king planet Jupiter on March 5, and then reaches its greatest elongation from the sun on March 6. Source: https://earthsky.org/tonight/mercurys-greatest-elongation-march-6-2021…
Vast Energy Use of Bitcoin Criticized
The University of Cambridge Centre for Alternative Finance has calculated that Bitcoin’s total energy consumption is somewhere between 40 and 445 terawatt hours (TWh) a year, with a central estimate of about 130 terawatt hours, reports the BBC: The UK’s electricity consumption is a little over 300 TWh a year, while Argentina uses around the same amount of power as the…
Introducing Crowdsec: a Modernized, Collaborative Massively Multiplayer Firewall
Slashdot reader b-dayyy writes: CrowdSec is a massively multiplayer firewall designed to protect Linux servers, services, containers, or virtual machines exposed on the Internet with a server-side agent. It was inspired by Fail2Ban and aims to be a modernized, collaborative version of that intrusion-prevention tool. CrowdSec is free and open-source (under an MIT License), with the source code available on GitHub….
What is a quasar?
A quasar is an extremely bright and distant point-like source visible to radio telescopes. The source is a so-called Active Galactic Nucleus, fueled by a supermassive black hole. Source: https://earthsky.org/astronomy-essentials/definition-what-is-a-quasar…