3 ms·
GPS really is amazing. It's hard to believe it works at all.
by closewith 3y ago
GPS really is amazing. It's hard to believe it works at all.
- fragmede 3y agoMy favorite part about GPS is that it only works because we understand relativity, proving Einstein right.
- dharmab 3y agoIt would work without an understanding of relativity, but the accuracy would drop by about a meter. https://physics.stackexchange.com/a/128951 https://physics.stackexchange.com/a/128951