Forwarded from Sugar Pic Hourly
Forwarded from 荔枝木
事件视界望远镜(Event Horizon Telescope, EHT)项目合作组织将于北京时间 5 月 12 日晚上 21 时举行新闻发布会。
本发布会将发布人马座 A* 的观测结果,这一黑洞位于银河系中心,发现结果将检验黑洞物理学的基础理论(比如测量事件视界的形状和大小),验证广义相对论在极端引力下是否正确。
本发布会将发布人马座 A* 的观测结果,这一黑洞位于银河系中心,发现结果将检验黑洞物理学的基础理论(比如测量事件视界的形状和大小),验证广义相对论在极端引力下是否正确。
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Everyday Astronaut | 火箭引擎循环——如何给火箭引擎供能?
https://www.youtube.com/watch?v=Owji-ukVt9M
https://www.youtube.com/watch?v=Owji-ukVt9M
YouTube
Rocket engine cycles: How do you power a rocket engine?
Rocket engines are incredibly complex machines, pushing the boundaries of material science and human ingenuity. And there’s a wide range of ways you can actually power a rocket engine and make it work.
They can be super simple, like just opening the valves…
They can be super simple, like just opening the valves…
cookie80 | 从大陆真的可以看到台湾本岛,就在平潭海滩 - 知乎
https://zhuanlan.zhihu.com/p/505150987
https://zhuanlan.zhihu.com/p/505150987
知乎专栏
从大陆真的可以看到台湾本岛,就在平潭海滩
前言:台湾海峡能看到对面吗?看到这个题目,你以为我说的是从厦门海边租个望远镜看15千米外的金门岛? 你错了,这不是一个哗众取宠的标题,我在严肃的考证“从大陆地平面能否看到台湾本岛”这个问题。 一湾海峡,…
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nikomatsakis | Coherence and crate-level where-clauses
http://smallcultfollowing.com/babysteps/blog/2022/04/17/coherence-and-crate-level-where-clauses/
http://smallcultfollowing.com/babysteps/blog/2022/04/17/coherence-and-crate-level-where-clauses/
Forwarded from Hacker News
Experience Report: 6 months of Go (Score: 152+ in 4 hours)
Link: https://readhacker.news/s/5bLr2
Comments: https://readhacker.news/c/5bLr2
Link: https://readhacker.news/s/5bLr2
Comments: https://readhacker.news/c/5bLr2
Typesanitizer
Experience Report: 6 months of Go
A report of my positive and negative experiences with Go after using it for 6 months at work.
Forwarded from Hacker News
Noto emoji, a new black and white emoji font with less color (Score: 151+ in 7 hours)
Link: https://readhacker.news/s/5bLS4
Comments: https://readhacker.news/c/5bLS4
Link: https://readhacker.news/s/5bLS4
Comments: https://readhacker.news/c/5bLS4
Googleblog
Google for Developers Blog - News about Web, Mobile, AI and Cloud
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The Pudding | 你有多随机?——我们发现这个有趣的研究有缺陷,帮我们来重现一下
https://pudding.cool/2022/04/random/
https://pudding.cool/2022/04/random/
The Pudding
We think this cool study we found is flawed. Help us reproduce it.
Are 25 year olds really more random than 60 year olds?
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Forwarded from Sugar Pic Hourly
Forwarded from リーユー via @SIGSLEEP_XMSLESE_bot
flash你快好好学学(
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