Ask HN: What are some really interesting startups you heard about?

One I really like in the space industry is gas stations in space.

https://www.orbitfab.space/

and in the dating industry Teleport which platform allowing match makers to set up their own dating business.

https://www.teleport.us/

Still development stage, but technologies that directly address human crisis, such as these low cost portable oxygen concentrators, are symbolic of how the startup acceleration pipeline is radically changing. Reminder to skate toward where the puck will be, rather than where it's been ;)

Delivering life-saving oxygen during a pandemic

https://news.mit.edu/2021/delivering-life-saving-oxygen-duri...