Ventilation is key to beating covid, which spreads primarily through airborne floating particles. $10 paper filters strapped to $27 box fans could be good alternatives to $500+ HEPA filters. And New York’s famously overpowered radiators – New Yorkers joke they have only two settings “off” and “broiling” – were designed followed the 1918 pandemic, to allow apartments to stay warm in winter even with the windows wide open. Cory Doctorow: pluralistic.net/2020/08/0…

Mitch Wagner @MitchWagner