https://www.seas.harvard.edu/news/20...w-in-one-point
Seems interesting.
https://www.seas.harvard.edu/news/20...w-in-one-point
Seems interesting.
As far I can see that is a spectrum concentration an a light source. Nothing to do with lenses for glasses.
There are currently 1 users browsing this thread. (0 members and 1 guests)
Bookmarks