Pretty cool: Scientists are working on a mask that can analyze your breath in real-time to detect biomarkers, which can help spot diseases such as COVID. www.science.org/doi/10.1126/...

Ooh nice

trouble is you gotta get people to wear them

Sounds great! But also sounds expensive.

I was going to read the article before saying vaporware, but then I realized that that works either way. (Yeah, low hanging fruit. I'll see myself out.)