@nprofile1q... @nprofile1q...
he also got badly ill in early 50s to the point he was disabled and bedridden, invented a machine to haul himself in and out of bed using an elaborate system of pulleys and ropes (a forerunner of hoistsused today for such purposes), but it went wrong and he was strangled by the ropes..
It took a good part of both our lifetimes before TEL and CFCs were gone - I still remember 1-1-1 tricholoroethane (albeit one of the lesser ones) being widely used well into the 1990s..
he also got badly ill in early 50s to the point he was disabled and bedridden, invented a machine to haul himself in and out of bed using an elaborate system of pulleys and ropes (a forerunner of hoistsused today for such purposes), but it went wrong and he was strangled by the ropes..
It took a good part of both our lifetimes before TEL and CFCs were gone - I still remember 1-1-1 tricholoroethane (albeit one of the lesser ones) being widely used well into the 1990s..