Per http://www.bipm.org/en/CGPM/db/17/1/ "The metre is the length of the path tr... | Hacker News

Hacker News new | past | comments | ask | show | jobs | submit

login

nknighthb on Oct 26, 2013 | parent | context | favorite | on: The kilo is losing weight, changing all of science

Per http://www.bipm.org/en/CGPM/db/17/1/

"The metre is the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second."

Consider applying for YC's Spring batch! Applications are open till Feb 11.
Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact