White dwarfs are dead stars. A single white dwarf contains roughly the mass of our sun in a volume no bigger than our planet. Our sun will become a white dwarf someday. Source: https://earthsky.org/astronomy-essentials/white-dwarfs-are-the-cores-of-dead-stars…
Tag: flash
Hurricane Sally expected to bring ‘historic flooding’ to the Gulf Coast
“Extreme life-threatening” flash flooding is likely through Wednesday along the central Gulf Coast. Source: https://www.livescience.com/hurricane-sally-update.html
A Thousand Meteors
Over a thousand meteors flash through Source: https://apod.nasa.gov/apod/astropix.html…
Arm’s New Linux-Capable Cortex-R82 Processor Will Enable Drives That Both Store and Process Data
“Arm has announced its first 64 bit, Linux-capable Cortex-R processor, designed for computational storage solutions,” reports Electronics Weekly. SiliconAngle calls it “a chip designed to enable a new generation of storage devices that will not only hold data but also help process it.”
Such devices are part of an emerging hardware category known as computational storage. The technology promises to provide a…
Apple Mistakenly Approved a Widely Used Malware To Run on Macs
Apple has some of the strictest rules to prevent malicious software from landing in its app store, even if on occasion a bad app slips through the net. But last year Apple took its toughest approach yet by requiring developers to submit their apps for security checks in order to run on millions of Macs unhindered. From a report: The process,…
Brave Complains Google’s Newly-Proposed ‘WebBundles’ Standard Would ‘Make URLs Meaningless’
“Google is proposing a new standard called WebBundles,” complains Brave’s senior privacy reseacher. “This standard allows websites to ‘bundle’ resources together, and will make it impossible for browsers to reason about sub-resources by URL.” This threatens to change the Web from a hyperlinked collection of resources (that can be audited, selectively fetched, or even replaced), to opaque all-or-nothing “blobs” (like PDFs…
‘The Largest Nuclear Bomb Ever Detonated’ Explored in Declassified Russian Footage
“The blast was over 3,000 times bigger than the bomb that destroyed Hiroshima,” reports Smithsonian magazine: Hydrogen bombs are so destructive, their impact has been described as unthinkable throughout history. Recently declassified Russian footage of the 1961 Tsar Bomba hydrogen bomb test shows why. The 40-minute documentary, which was posted on YouTube on August 20, shows footage of the largest bomb…
Half of Antarctic ice shelves could collapse in a flash, thanks to warming
Exactly when that will happen is the big unknown. Source: https://www.livescience.com/antarctic-ice-shelf-cracks-melting.html
Why some rain falls so hard
Some rainstorms drench you in a second, while others drop rain in a nice peaceful drizzle. A meteorologist explains how rainstorms can be so different. Source: https://earthsky.org/earth/why-some-rain-falls-so-hard-downpours…
What are lightning sprites?
Lightning sprites – aka red sprites – are electrical discharges taking place high in Earth’s atmosphere, above thunderstorms. Source: https://earthsky.org/earth/definition-what-are-lightning-sprites…