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…
Tag: LED
‘Egg carton’ quantum dot array could lead to ultralow power devices
A new path toward sending and receiving information with single photons of light has been discovered by an international team of researchers led by the University of Michigan. …
Square To Buy Jay-Z’s Music Service Tidal
Square has agreed to buy a majority stake in Tidal, the streaming music service led by rapper Jay-Z, as part of an effort to expand the company’s suite of financial tools to musicians and emerging artists. From a report: Square will pay $297 million in a mix of cash and stock to become Tidal’s “significant majority” owner, though Jay-Z and Tidal’s…
US Issues Warning After Microsoft Says China Hacked Its Mail Server Program
An anonymous reader quotes a report from NBC News: The U.S. has issued an emergency warning after Microsoft said it caught China hacking into its mail and calendar server program, called Exchange. The perpetrator, Microsoft said in a blog post, is a hacker group that the company has “high confidence” is working for the Chinese government and primarily spies on American…
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…
Researchers investigate ‘imaginary part’ in quantum resource theory
Recently, a research team led by academician Guo Guangcan from CAS Key Laboratory of Quantum Information of the University of Science and Technology of China (USTC) of CAS, has made important progress in quantum information theory. Prof. Li Chuanfeng and Prof. Xiang Guoyong from the team collaborated with Dr. Strelstov from University of Warsaw to investigate the imaginary part of quantum…
Asteroid dust in Chicxulub crater seals deal on dino extinction
Scientists examined rock cores taken from the Chicxulub crater in Mexico, site of the asteroid impact that triggered dinosaur extinction, and found iridium, a telltale sign of asteroids. Source: https://earthsky.org/earth/asteroid-dust-iridium-chicxulub-crater-dinosaur-extinction…
Microsoft Launches Power Fx, a New Open Source Low-Code Language
Microsoft today announced Power Fx, a new low-code language that “will become the standard for writing logic customization across Microsoft’s own low-code Power Platform,” reports TechCrunch. “[S]ince the company is open-sourcing the language, Microsoft also hopes others will implement it as well and that it will become the de facto standard for these kinds of use cases.” From the report: Microsoft…
Three elder sisters of the Sun with planets
An international team led by Prof. Dr. habil. Andrzej Niedzielski, an astronomer from the Nicolaus Copernicus University in Torun (Poland), has discovered yet another three extrasolar planets. These planets revolve around the stars that can be called elder sisters of our Sun. Source: https://phys.org/news/2021-03-elder-sisters-sun-planets.html…
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…