Links for 2022-01-02
Bootstrapping a minimal math library [some identities you might not know or forgot about] https://www.johndcook.com/blog/2021/01/05/bootstrapping-math-library/
J notation as a tool of thought – In addition to providing a great introduction to J, Hillel Wayne also touches on the underlying philosophies underpinning APL and J. https://www.hillelwayne.com/post/j-notation/
Magnetic-Confinement Fusion Without the Magnets https://spectrum.ieee.org/zap-energy-fusion-reactor
“[W]ithin just a few years, the strike rate of the whalers’ harpoons fell by 58%. This simple fact leads to an astonishing conclusion: that information about what was happening to them was being collectively shared among the whales.” https://theguardian.com/environment/2021/mar/17/sperm-whales-in-19th-century-shared-ship-attack-information
No causal associations between childhood family income and subsequent psychiatric disorders, substance misuse and violent crime arrests: a nationwide Finnish study of >650 000 individuals and their siblings https://academic.oup.com/ije/article/50/5/1628/6288123
The idea that animals are conscious, long unpopular in the West, has lately found favor among scientists who study animal cognition. Now even some insects are thought to have interior lives. https://www.theatlantic.com/magazine/archive/2019/03/what-the-crow-knows/580726/
Non-invasive transcranial ultrasound stimulation for neuromodulation https://www.sciencedirect.com/science/article/abs/pii/S1388245721008920
Beyond Omicron: what’s next for COVID’s viral evolution — “The rapid spread of new variants offers clues to how SARS-CoV-2 is adapting and how the pandemic will play out over the next several months.” https://www.nature.com/articles/d41586-021-03619-8