Physicists hope to tie light beams in knots
Geplaatst: zo 14 sep 2008, 09:50
Usually, light beams shine in a straight line, with the possible exception of light being bent by gravity. But scientists are now investigating how to make light beams into looped and knotted configurations. The possibility for these structured light beams arises from some curious solutions to Maxwells equations, which describe the fundamentals of electricity and magnetism.
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