Comment by jampekka Comment by jampekka a year ago 1 reply Copy Link View on Hacker News Electromagnetic radiation is about 1.5 times faster in air than in glass (depending on wavelength a bit).
Copy Link ranger_danger a year ago Collapse Comment - I didn't think about it slowing down when traveling through glass, good point. Although hollow-core fiber is a thing now. Reply View | 0 replies
I didn't think about it slowing down when traveling through glass, good point. Although hollow-core fiber is a thing now.