Links for 2021-12-19
Haber-Bosch, but without the CO2: Green ammonia electrolysis breakthrough could finally kill Haber-Bosch https://newatlas.com/energy/green-ammonia-phosphonium-production/
Organic neuromorphic electronics can think and act: A combination of organic materials and electronics could open up new possibilities for unconventional future computing systems https://www.mpg.de/18023757/1213-poly-2021-gkoupidenis-neuromorphics-154025-x
Climate tech’s newest unicorn by making chemicals from sugar, not fossil fuels, and could potentially begin to remove a billion tons of CO2 per year. https://www.fastcompany.com/90704865/climate-techs-newest-unicorn-makes-chemicals-from-sugar-not-fossil-fuels
Hard-Coding Neural Computation: “I have found that I can, with a fair amount of effort, hard-code the weights of a transformer model in order to perform some very crude versions of linguistic tasks.” https://www.lesswrong.com/posts/HkghiK6Rt35nbgwKA/hard-coding-neural-computation
Researchers have created jellyfish whose nerve cells light up when they fire, offering a tantalizing view of neurology before the rise of the brain. https://www.wired.com/story/gene-tweaked-jellyfish-neurology
Is the standard model broken? Physicists cheer major muon result https://www.nature.com/articles/d41586-021-00898-z
The state of the science on human origins https://razib.substack.com/p/yo-mamas-mamas-mamas-mama-etc
Might it be desirable to get a breakthrough infection if you are young and vaccinated while your antibodies remain high? — “The joint vaccinated and then infected state provides what appears to be super immunity, which is significantly more protective. We also have good reason to believe the robust T-cell response generated in this state will allow us to return to a far more normal life.” https://shakoist.substack.com/p/antibodies-t-cells-omicron-and-endemic?s=09
Minecraft crosses one trillion (!) views on YouTube. https://www.theverge.com/2021/12/15/22838148/minecraft-1-trillion-views-youtube-mojang-microsoft
Editors of The BMJ, one of the world’s oldest and most influential general medical journals, find Facebook's “fact check” to be inaccurate, incompetent and irresponsible. https://www.bmj.com/content/375/bmj.n2635/rr-80
Does the CCP control Extinction Rebellion? https://unherd.com/2021/12/does-the-ccp-control-extinction-rebellion/
Attempts to get professors punished or fired for things they said increased 4x in 5 years, from 30 in 2015 to 122 in 2020. https://reason.com/2021/12/13/the-second-great-age-of-political-correctness/
“What I’ve Learned Rescuing My Daughter From Her Transgender Fantasy” https://www.dailysignal.com/2021/12/13/what-ive-learned-rescuing-my-daughter-from-her-transgender-fantasy/
Here is what’s wrong with the above image: Connect each point of the black perimeter that is tangent to the circle by a straight line. By the triangle inequality, the perimeter of the resulting interior polygon will be less than 4.
In other words, the least upper bound of the inscribed polygonal curve formed by the hypotenuses will be smaller than 4.
This shows that the problem and difference to Archimedes’ approximation is that in this case the black perimeter is not straightened, which leads to an approximation of area between the curves but not the perimeter.