9 points ·
![]()For what it's worth; the technology developed for space travel over the years has led to the development of many common everyday items. I agree that space travel itself might not be the best investment but I can appreciate how it pushes the envelope for new tech.
Here's infograph from nasa website but things like scratch proof lenses, hand vacuums, jaws of life, LED lights, etc..
https://www.jpl.nasa.gov/infographics/20-inventions-we-wouldnt-have-without-space-travel/