Open AccessEinstein Says: It’s 309.7-Meter O’Clock
Author(s) -
Bas den Hond
Publication year - 2019
Publication title -
eos
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 0.316
H-Index - 86
eISSN - 2324-9250
pISSN - 0096-3941
DOI - 10.1029/2019eo135247
Subject(s) - einstein , metre , physics , mathematical physics , quantum mechanics
Atomic clocks are now so accurate that Earth’s gravity can be seen to slow them down. Geodesy is preparing to use this relativistic effect to measure elevation.