When HN users recommended it
1 HN user recommended this in 2020, in one comment.
20072026
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
1 HN user recommended this in 2020, in one comment.
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
I wonder whether hospitals could use something like this. Pipe in air from outside to the helmets of healthcare workers. Everyone needs to be tethered, which is pretty annoying, but maybe doable?
Maybe you could make one out of a snorkel mask (like one of the dodgy full-face ones: https://smile.amazon.com/dp/B07BP6CTBQ/) and a vacuum cleaner?