每個人都與銣原子鐘密切相關, 例如GPS等等:

http://en.wikipedia.org/wiki/Atomic_clock

http://hyperphysics.phy-astr.gsu.edu/hbase/acloc.html

什麼是銣:

http://www.youtube.com/watch?v=LZYPT0H_2sg


Esoteric G-ORb Rubidium Master Clock Generator

http://www.avguide.com/review/tas-18...lock-generator


要去上班了..............