*"If the projectiles meet at the halfway point, then the clocks are synchronized... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		chetanahuja on Aug 18, 2015 \| parent \| context \| favorite \| on: What does it take to make Google work at scale? "If the projectiles meet at the halfway point, then the clocks are synchronized." And how would either end-point know this exactly?

AnimalMuppet on Aug 18, 2015 [–]

That's the point of using physical projectiles, not light beams. You watch. That's how you know.

"Watch" may mean using something like a phased-array radar to measure it more precisely, if you wish...

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact