anecdotes and data about #Waymo #robotaxi #safety
on 02026-03-19apparently in #medicine they used to use ferric chloride to treat poison ivy (dermatitis venenata) but it can permanently color the skin. #safety
on 02026-01-14ferric chloride stains on skin last a couple of days, but in clothing are permanent unless removed with oxalate. #materials #safety
on 02026-01-14someone got ferric chloride burns on their arm, people tell them to not worry about the burns but fix their technique. #materials #safety toxicology
on 02026-01-14#paper on a guy whose stomach they had to remove at the Hospital Posadas because he tried to commit #suicide by drinking 500 mℓ of ferric chloride solution, which caustically etched his mouth, stained his teeth brown, and produced metabolic acidosis. They treated his acute iron intoxication with chelation therapy. Finally he died in the hospital 8 days after the operation, “product of a systemic inflammatory response syndrome (SIRS) due to respiratory complications in intensive care unit.” #medicine #materials #safety #toxicology
on 02026-01-14#video on copper #materials #safety mistakes accidentally producing N₂O in a runaway reaction. Also changing copper hydroxide’s color from green to blue by dropping the pH, and then converting it to blue vitriol in the obvious way.
on 02025-12-21Electrical injuries kill 1000 people a year in #USA. #statistics #safety #paper
on 02025-10-05Brian Wang calculates almost 1 death per TWh for rooftop #solar #energy as of 02021. #safety
on 02025-10-050.44 deaths per TWh for rooftop #solar #energy as of 02008, according to Brian Wang, compared to 161 for coal. #safety
on 02025-10-05The International Firestop Council: #video on intumescent firestop #materials. #safety
on 02025-06-17#Mythbusters #video failing to cut slaughtered pigs in half by cutting a taut cable and letting it snap. #physics #safety Also an #archaeoacoustics test with a pottery wheel.
on 02024-06-28#nuclear #energy #safety and #statistics
on 02023-07-01a Zortrax M200 printer caught fire because the heater cartridge fell out because its owner didn’t properly tighten down the nut and the firmware didn’t notice. #3D-printing #hardware #safety
on 02016-10-10