The Perseverance Rover CPU Has Similar Specs To a Clamshell Ibook From 2001

An anonymous reader writes: NASA’s Perseverence rover, which is currently exploring Mars, has as it’s CPU a BAE Systems RAD 750 running at a 200 Mhz and featuring 256 Megabytes of RAM with 2 Gigabytes of storage. This is a radiation hardened version of the PowerPC G3, with specs roughly equivalent to the Clamshell Ibook that Reese Witherspoon used in Legally…

Quantum Computer Solves Decades-Old Problem Three Million Times Faster Than a Classical Computer

ZDNet reports: Scientists from quantum computing company D-Wave have demonstrated that, using a method called quantum annealing, they could simulate some materials up to three million times faster than it would take with corresponding classical methods. Together with researchers from Google, the scientists set out to measure the speed of simulation in one of D-Wave’s quantum annealing processors, and found that…

Evidence for white dwarfs consuming Earth-like worlds

For the first time, astronomers have detected the vaporized remains of the crusts of long-dead Earth-like and Mars-like planets in the atmospheres of white dwarf stars. Source: https://earthsky.org/space/vaporized-earth-like-mars-like-crusts-white-dwarf-stars…

Why does this galaxy look older than its years?

To the extent that we can see them, galaxies in the very early universe should look relatively young and unformed. But galaxy ALESS 073.1 is a surprise to astronomers: it looks more mature than we’d have any reason to expect. Why? Source: https://earthsky.org/space/galaxy-looks-older-than-its-years-aless-073-1…

Fry’s Electronics Going Out of Business, Shutting Down All Stores

UnknowingFool and scores of other readers have shared this report: Fry’s Electronics, the decades-old superstore chain with locations in nine American states, appears to have gone defunct. Bay Area TV station KRON-4 was the first press outlet to confirm the news late Tuesday, saying that Fry’s will shut down all 30 of its American locations. The retailer will reportedly make an…

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…

Do we all see the same moon phase?

No matter where you are on the globe, we all see the same moon. So why do photos from a distant location sometimes look different from what you’re seeing? Source: https://earthsky.org/astronomy-essentials/do-we-all-see-the-same-moon-phase…