Portal:Electronics/Selected picture/32
From Infogalactic: the planetary knowledge core
Credit: NIST, commons:User:Svdmolen
Atomic clock unveiled by NIST.
Credit: NIST, commons:User:Svdmolen
Atomic clock unveiled by NIST.
Credit: NIST, commons:User:Svdmolen
Atomic clock unveiled by NIST.
