網誌時代(前傳)

The money cost of writing a blog is almost zero.

The time cost of writing a blog is almost infinite.

— Me@2010.02.17

2010.06.01 Tuesday (c) All rights reserved by ACHK

Ideal clocks

* A clock is a recurrent process and a counter.
* A good clock is one which, when used to measure other recurrent processes, finds many of them to be periodic.
* An ideal clock is a clock (i.e., recurrent process) that makes the most other recurrent processes periodic.

— Wikipedia on Clock

2010.06.01 Tuesday ACHK