In a vacuum, the speed of a light pulse is always a constant at 186,000 miles (300,000 km) per second. But by changing the medium through which light travels, physicists can slow down light pulses, and possibly create highly sensitive light interferometers, among other devices.
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- CERN collider to become the world's fastest stopwatch?Mon, 12 Nov 2012, 20:02:28 EST
- Rainbow trapping in light pulsesWed, 14 Jul 2010, 9:22:42 EDT
- Short, on-chip light pulses will enable ultrafast data transfer within computersWed, 24 Nov 2010, 15:04:18 EST
- New technique measures ultrashort laser pulses at focusThu, 8 May 2008, 15:35:19 EDT