"An atomic clock is not that expensive." -- http://research.google.com/archive/s... | Hacker News

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sanxiyn on Oct 5, 2012 | parent | context | favorite | on: Twitter, PayPal reveal database performance

"An atomic clock is not that expensive." -- http://research.google.com/archive/spanner.html

jrockway on Oct 6, 2012 | [–]

Indeed. A GPS clock accurate to 50ns is around $25 on eBay.

mikecb on Oct 5, 2012 | [–]

Especially since there are 24 circling the earth that send out time continuously.

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