relevant for indoor air & ventilation
+ leader
https://www.economist.com/leaders/2021/05/29/it-is-time-to-clean-up-the-air-in-buildings
Found this an amusing & unusual article for @NYTimes. Not sure whether it’s science or fiction – or both. Also, found a related @NewYorker piece useful for background & context
https://www.NewYorker.com/magazine/2021/05/10/how-the-pentagon-started-taking-ufos-seriously
How the Pentagon Started Taking U.F.O.s Seriously
For decades, flying saucers were a punch line. Then the U.S. government got over the taboo.
By Gideon Lewis-Kraus
https://www.NewYorker.com/magazine/2021/05/10/how-the-pentagon-started-taking-ufos-seriously April 30, 2021
https://www.nytimes.com/2021/06/25/us/politics/pentagon-ufo-report.html
Wish there was some way of achieving safety with these new scooters.
Thanks for your discussion on this. I don’t understand why, despite all the high-tech mobility we have (e.g. self-driving cars, airbags, drones, &c), that we can’t engineer bikes & scooters to be as safe as cars.
worrisome for those committed to plastics
https://www.nature.com/articles/d41586-021-01143-3