- shorter times
- 102 milliseconds -- half-life of bohrium-262
- 0.1 second -- the blink of an eye
- 0.1 second -- the reaction speed of a human.
- 0.15 seconds -- recommended maximum time delay for telephone service
- 0.2~0.67 seconds -- a beat of modern dance music
- 0.838 seconds -- half-life of lithium-8
- longer times