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Published online 19 January 2001 | Nature | doi:10.1038/news010125-3
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Stop that light beam, I want to get off
How do you catch a wave and pin it down -- especially when it is moving at the speed of light?
Albert Einstein dreamed up his theory of special relativity by imagining how the world would look to an observer riding on a light beam travelling at 300,000 kilometres per second. But this hitchhiker would be in for a shock if he or she were surfing on the laser beams passing through the Rowland Institute for Science in Cambridge, Massachusetts.
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