ocr: - - - - - 9999XXXXXXXxx - - - Measuring Time The earth makes one revolution around the sun 1n one year. The earth makes one revolution around its access 1n 24 hours. The record: 1n 100 meters run 1S under 10 seconds. Your PC executes an instruction 1n about one microsecond. The fastest computer executes an instruction 1n about a nsec. The period ofrotation of a typical molecule 1S one picosecond.
