OurBigBook.com (beta) About$ Donate
Sign inSign up
by Ciro Santilli (@cirosantilli, 25)


Second (s)

 wiki

 Ancestors

  1. Unit of time
  2. Time
  3. International System of Units
  4. List of systems of units
  5. System of units
  6. Physics
  7. Natural science
  8. Science
  9. Index

 Incoming links

  • 2019 redefinition of the SI base units
  • Caesium standard
  • Hyperfine structure
  • Quartz clock

Discussion (0)

Sign up or sign in create discussions.

There are no discussions about this article yet.

About$ Donate Content license: CC BY-SA 4.0 unless noted Website source code Contact, bugs, suggestions, abuse reports @OurBigBook @OurBigBook