Forwarded from 蜜柑不时抱
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Forwarded from Hacker News (yahnc_bot)
Disambiguating Arm, Arm ARM, ARMv9, ARM9, ARM64, AArch64, A64, A78, ... https://nickdesaulniers.github.io/blog/2023/03/10/disambiguating-arm/
nickdesaulniers.github.io
Disambiguating Arm, Arm ARM, Armv9, ARM9, ARM64, AArch64, A64, A78, ...
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Forwarded from Hacker News (yahnc_bot)
FDIC Takes over Silicon Valley Bank https://www.fdic.gov/news/press-releases/2023/pr23016.html
www.fdic.gov
FDIC Creates a Deposit Insurance National Bank of Santa Clara to Protect Insured Depositors of Silicon Valley Bank, Santa Clara…
Forwarded from Solidot
科学家发现一种利用空气发电的酶
2023-03-11 21:14:00 by 最后的守护者
根据发表在《自然》期刊上的一项研究，澳大利亚科学家发现了一种能利用空气中微量氢发电的酶。研究人员从名叫耻垢分枝杆菌（Mycobacterium smegmatis）的细菌中提取出负责利用空气中氢气的酶。名叫 Huc 的酶能将氢气转变成电流。Huc 的转换效率非常高，我们所呼吸的大气中氢气浓度只有 0.00005%，而 Huc 甚至能在低于这个浓度下消耗氢气。研究人员还发现，Huc 具有强有力的稳定性，可以冷冻起来，加热到 80 摄氏度，它仍然能维持其功能。这项研究目前处于早期阶段，它有可能成为小型飞行器使用的太阳能动力的替代。
https://www.nature.com/articles/s41586-023-05781-7
https://phys.org/news/2023-03-newly-enzyme-air-electricity-source.html
#科学
2023-03-11 21:14:00 by 最后的守护者
根据发表在《自然》期刊上的一项研究，澳大利亚科学家发现了一种能利用空气中微量氢发电的酶。研究人员从名叫耻垢分枝杆菌（Mycobacterium smegmatis）的细菌中提取出负责利用空气中氢气的酶。名叫 Huc 的酶能将氢气转变成电流。Huc 的转换效率非常高，我们所呼吸的大气中氢气浓度只有 0.00005%，而 Huc 甚至能在低于这个浓度下消耗氢气。研究人员还发现，Huc 具有强有力的稳定性，可以冷冻起来，加热到 80 摄氏度，它仍然能维持其功能。这项研究目前处于早期阶段，它有可能成为小型飞行器使用的太阳能动力的替代。
https://www.nature.com/articles/s41586-023-05781-7
https://phys.org/news/2023-03-newly-enzyme-air-electricity-source.html
#科学
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Forwarded from xkcd
'Phil Plait once pointed out that you can calculate the total angular area of the sky this way. If the sky is a sphere with radius 57.3 degrees, then its area is 4*pi*r^2=41,253 square degrees. This makes dimensional analysts SO mad, but you can't argue with results.'
Forwarded from Hacker News (yahnc_bot)
Mozilla/Sops: Simple and flexible tool for managing secrets https://github.com/mozilla/sops
GitHub
GitHub - getsops/sops: Simple and flexible tool for managing secrets
Simple and flexible tool for managing secrets. Contribute to getsops/sops development by creating an account on GitHub.
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Forwarded from Hacker News (yahnc_bot)
Small Asteroid Impacts Moon https://twitter.com/dfuji1/status/1629259622619176961
X (formerly Twitter)
藤井大地 (@dfuji1) on X
私の観測史上最大の月面衝突閃光を捉えることができました！2023年2月23日20時14分30.8秒に出現した月面衝突閃光を、平塚の自宅から撮影した様子です（実際の速度で再生）。なんと1秒以上も光り続ける巨大閃光でした。月は大気がないため流星や火球は見られず、クレーターができる瞬間に光ります。
Forwarded from Hacker News (yahnc_bot)
How We Knew Space Was a Vacuum (2021) https://sky-lights.org/2021/06/14/qa-how-we-knew-space-was-a-vacuum/
Forwarded from Hacker News (yahnc_bot)
HSBC to buy SVB UK for £1 https://www.theguardian.com/business/2023/mar/13/hsbc-buy-silicon-valley-banks-uk-tech-startups
the Guardian
HSBC to buy Silicon Valley Bank UK for £1 in rescue deal
Takeover arranged by government is likely to save British startups from big losses after US bank’s collapse
Forwarded from Hacker News (yahnc_bot)
Ipmitool Repository Archived, Developer Suspended by GitHub https://www.phoronix.com/news/ipmitool-GitHub-Suspended
Phoronix
ipmitool Repository Archived, Developer Suspended By GitHub
The ipmitool utility on Linux systems is widely-used for controlling IPMI-enabled servers and other systems
Forwarded from Hacker News (yahnc_bot)
\Device\Afd, or, the Deal with the Devil that makes async Rust work on Windows https://notgull.github.io/device-afd/
Forwarded from Hacker News (yahnc_bot)
PostgreSQL 14 Internals https://postgrespro.com/blog/pgsql/5969985
Postgrespro
PostgreSQL 14 Internals
I’m excited to announce that the translation of the “ PostgreSQL 14 Internals ” book is finally complete thanks to the amazing work of Liudmila Mantrova.
The final part of the book considers each of the index types in great detail. It explains and demonstrates…
The final part of the book considers each of the index types in great detail. It explains and demonstrates…
Forwarded from Hacker News (yahnc_bot)
An experiment in elastically scaling a thread pool using a PID controller https://github.com/stevana/elastically-scalable-thread-pools
GitHub
GitHub - stevana/elastically-scalable-thread-pools: An experiment in controlling the size of a thread pool using a PID controller.
An experiment in controlling the size of a thread pool using a PID controller. - GitHub - stevana/elastically-scalable-thread-pools: An experiment in controlling the size of a thread pool using a P...
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