Retrieving "Biological Time Perception" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Timekeeping Devices

   Linked via "biological time perception"

   The primary operational standard is the Caesium Fountain Clock. These devices work by cooling a cloud) of caesium atoms to near absolute zero and then "throwing" them upwards through a microwave cavity. The highly stable oscillation frequency is measured against the cavity resonance.
   However, the reliability of atomic clocks is complicated by the **[Observe…