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Scientists have found a way to make light waves travel infinitely fast

11 点作者 fffrad超过 9 年前

1 comment

todd8超过 9 年前
I don&#x27;t understand the implications of this research. Can anyone enlighten me? Clearly, they aren&#x27;t saying that light travels faster than the previously determined speed of light in a vacuum. Further, they can&#x27;t mean that information is being transmitted faster than light.<p>I think they mean something like this crude thought experiment of mine: I shine a laser pointer (a strong one) at a point on the moon and flick my wrist to point it at a distant point, say 4000 miles away, on the moon. <i>The laser dot on the surface of the moon will travel faster than the speed of light</i> if I am rotating the laser pointer fast enough, which because of the distance of the moon isn&#x27;t difficult at all. This isn&#x27;t faster than light travel; it&#x27;s still photons traveling at the speed of light, but they are just arriving at the moon&#x27;s surface at very slightly different times.