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Superconductivity switches on and off in 'magic-angle' graphene
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phys.org
Study: Superconductivity switches on and off in 'magic-angle' graphene
With some careful twisting and stacking, MIT physicists have revealed a new and exotic property in "magic-angle" graphene: superconductivity that can be turned on and off with an electric pulse, much ...
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Is AM radio dead?
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New mathematical model shows how the body regulates potassium
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phys.org
New mathematical model shows how the body regulates potassium
Having levels of potassium that are too high or too low can be fatal. A new mathematical model sheds light on the often mysterious ways the body regulates this important electrolyte.
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America’s fever of workaholism is finally breaking
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The Atlantic
America’s Fever of Workaholism Is Finally Breaking
For the first time in 50 years, the rich are buying more free time.
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PayPal lays off 7% of staff
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PayPal Newsroom
Update on Our Transformation
This message was shared with PayPal employees today by President and CEO Dan Schulman.
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Hermes: An open-source document management system
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Launch HN: Needl (YC S22) – Simple search across all your apps
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Gödel's solution to Einstein's field equations (2021)
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www.privatdozent.co
Gödel's Solution to Einstein's Field Equations (1949)
Following Kurt Gödel (1906-1978)’s publications on the first- and second incompleteness theorems (1931) and later work on Cantor’s continuum hypothesis (1947), Gödel in 1948 turned his attention to cosmology. In an extensive investigation of Einstein’s field…
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Discovery could extend battery life by replacing tape that causes self‑discharge
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Dalhousie University
Dal researchers' chance discovery could help extend battery life by replacing tape that causes self‑discharge
Thanks to a discovery in a Dal lab, manufacturers of laptops and other tech devices now have an explanation for why the batteries that power their gadgets tend to lose some of their charge over time and a path forward to fixing the problem..
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Show HN: Silly math games to make learning fun for K through 3rd grade
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Mindly Games
Mindly Games -> Learning Games for Kids | Mindly Games
Check out Mindly's awesome learning games for kids. We make practicing and mastering new skills a blast!
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Sourcehut will not blacklist the Go module mirror
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sourcehut.org
SourceHut will (not) blacklist the Go module mirror
sourcehut is a network of useful open source tools for software project maintainers and collaborators, including git repos, bug tracking, continuous integration, and mailing lists.
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Tell HN: GitHub will delete your private repo if you lose access to the original
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ASRock Industrial NUCS Box-1360P/D4 Review: Raptor Lake-P Plus Surprise ECC
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AnandTech
ASRock Industrial NUCS BOX-1360P/D4 Review: Raptor Lake-P Impresses, plus Surprise ECC
Low-power processors have traditionally been geared towards notebooks and other portable platforms. However, the continued popularity of ultra-compact form-factor desktop systems has resulted in UCFF PCs also serving as lead vehicles for the latest mobile…
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Instagram’s co-founders are back with Artifact, a kind of TikTok for text
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The Verge
Instagram’s co-founders are back with Artifact, a kind of TikTok for text
The duo is back just over four years after leaving Instagram.
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Critical brain hypothesis: A physical theory for when the brain performs best
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Quanta Magazine
When Does the Brain Operate at Peak Performance?
The critical brain hypothesis suggests that neural networks do their best work when connections are not too weak or too strong.
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Ask HN: How do you test SQL?
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HubSpot to cut 500 jobs, or 7% of its workforce
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Reducing technical debt by valuing comments as much as code
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Oracle
Reduce technical debt by valuing comments as much as code
Annotations, such as Javadoc, help maintainers understand your coding decisions.
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Modernizing C arrays for greater memory safety: a case study in the Linux kernel
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kees
Bounded Flexible Arrays in C — kees
How to modernize C arrays for greater memory safety: a case-study in refactoring the Linux kernel and a look to the future Kees Cook C i...
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Big Tech layoffs hit diversity and inclusion jobs hard
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The Seattle Times
Big Tech layoffs hit diversity and inclusion jobs hard
Now, just as tech companies had started to make progress, they're scaling back those teams before fully meeting goals or creating workforces that look like the broader U.S. population.
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Generating Platonic Solids in C++ (2021)
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Daniel Sieger
Generating Platonic Solids in C++
This is a short tutorial on generating meshes of Platonic solids in C++. Read on if you search for a simple way to generate a tetrahedron, octahedron, hexahedron, dodecahedron, or icosahedron. The article is also a great starting point to learn a few basics…
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