Links for 2022-08-26
The Sierpinski-Mazurkiewicz Paradox (is really weird) https://www.youtube.com/watch?v=hVaDTnrwCnk
The PEMDAS Paradox: 6/2(1+2) is not a well-defined expression. https://plus.maths.org/content/pemdas-paradox
A DIY rocket system being built by Danish amateurs and crowdfunded may carry suborbital passengers in some years. https://spectrum.ieee.org/diy-rocket-program
Korea Shatters Its Own Record for World’s Lowest Fertility Rate [Bloomberg] https://archive.ph/njgzy
Mars: “The most likely amount of stored water is between 130–260 m GEL, although a reservoir more than 500 m deep is possible.” https://physicstoday.scitation.org/doi/10.1063/PT.3.4988
An enormous solar sail between Earth and the Sun could slow Earth's temperature rise enough to give us time to transform into a climate-sustainable society. https://www.warpnews.org/optimists-edge/optimists-edge-space-parasol-to-slow-down-global-warming/
Moving the Earth outwards to compensate for solar brightening? https://threadreaderapp.com/thread/1558232231541456897.html
“The racial characteristics of murder in Minnesota…Of known victims, 123 were African American, or 65 percent of the total.” https://www.americanexperiment.org/the-demographics-of-crime-in-minnesota-with-updated-2021-data/
Large majorities in rich countries think their children will be worse off financially than themselves. https://www.oecd-forum.org/posts/large-shares-in-many-countries-are-pessimistic-about-the-next-generation-s-financial-future