New ‘eyewear’ to deepen the view of NASA’s Roman Space Telescope

NASA’s Nancy Grace Roman Space Telescope will be able to explore even more cosmic questions, thanks to a new near-infrared filter. The upgrade will allow the observatory to see longer wavelengths of light, opening up exciting new opportunities for discoveries from the edge of our solar system to the farthest reaches of space. Source: https://phys.org/news/2021-03-eyewear-deepen-view-nasa-roman.html…

Linus Torvalds Went Six Days Without Electricity, Swears Smaller 5.12 Kernel Is Co-Incidental

Linux overlord Linus Torvalds has revealed that inclement weather in the USA meant he recently endured six electricity-free days in his Portland, Oregon, home during which he was unable to tend to the kernel. As a result he therefore pondered adding an extra week to the merge window for version 5.12 of the Linux kernel. The Register reports: “As you can…

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…

What’s the coldest Earth has ever been?

Our planet’s history includes episodes of cold so extreme that glaciers reached sea level in equatorial regions. Source: https://earthsky.org/earth/whats-coldest-earth-has-ever-been…

Parker Solar Probe captures a glimpse of Venus

The Parker Solar Probe turned its camera on Venus as the spacecraft flew by during a gravity assist. Source: https://earthsky.org/todays-image/solar-probe-flyby-photo-of-venus…

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…

Best observing targets for binoculars

What are the best solar system and deep-sky objects to view to get the most out of your binoculars? From moon-encircled worlds to starry knots in the Milky Way, our list makes the sky’s wonders easy to find. Source: https://earthsky.org/astronomy-essentials/best-targets-for-binoculars-moon-planets-nebula-clusters…

Apple Hiring Engineers To Develop 6G Wireless

Apple launched its first iPhones with 5G wireless speeds a few months ago. Now it’s looking to start work on sixth-generation cellular connectivity, or 6G, indicating it wants to be a leader in the technology rather than relying on other companies. From a report: The Cupertino, California-based company this week posted job ads seeking wireless system research engineers for current and…

Electrons living on the edge

Scientists at the University of Tsukuba demonstrated the possibility of electrons moving as if they were massless when certain materials called “topological insulators” are irradiated with laser beams. This work may lead to a new class of highly efficient electronic devices and photonic crystals. …

Dinosaur-killing space rock may have originated at the edge of the solar system

The chunk of space rock that killed the nonavian dinosaurs may have been a piece of a comet that Jupiter’s gravity kicked onto a collision course with Earth. Source: https://www.livescience.com/dinosaur-killing-comet-oort-cloud.html