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Trillion frames per second, actually sees light travel


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<p>That <em>is</em> cool. But to be fair, it's not a trillion frames of the same event. The laser continues to pulse, and the camera continues to take a progressive series of images that portray the path those pulses are taking. But it's not a recording of one pulse of laser light making that trip. <br /><br />It does, though, nicely illustrate the notion that it's this crazy packet of particles/waves that's traveling across a distance. It makes the fact that we're using larger instruments to look at photons that left somwhere else over 10 billions years ago that much more amazing.</p>
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<p>It is interesting and cool, although I got to say that the video is really deliberate.</p>

<p>'Slowly he turned, step by step.." </p>

<p>Though now that I think on it, things were kinda like that at the other end of Massachusetts Avenue.</p>

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