Show HN: I built a knife steel comparison tool (new.knife.day)
42 points by p-s-v 2h ago 12 comments
Open Problems in Computational geometry (topp.openproblem.net)
64 points by nill0 9h ago 10 comments
Living beings emit faint light that extinguishes upon death, according to study
5 OutOfHere 5 5/17/2025, 2:14:08 PM phys.org ↗
"Imaging Ultraweak Photon Emission from Living and Dead Mice and from Plants under Stress"
https://pubs.acs.org/doi/10.1021/acs.jpclett.4c03546