What do Albert Einstein, the Global Positioning System (GPS), and a pair of stars 200,000 trillion miles from Earth have in common?
![](https://scx1.b-cdn.net/csz/news/tmb/2020/einsteinsthe.jpg)
Source:
https://phys.org/news/2020-10-einstein-theory-relativity-critical-gps.html
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What do Albert Einstein, the Global Positioning System (GPS), and a pair of stars 200,000 trillion miles from Earth have in common?
Source:
https://phys.org/news/2020-10-einstein-theory-relativity-critical-gps.html