9 years ago
Watch the first ever video of a laser beam moving through thin air
For the first time ever scientists have captured a video of a laser’s flight path as it moves through the air. The clip above was created using a new ultra high-speed camera capable of detecting single photons at a time — the smallest amount of light possible. To create the video, researchers from the Heriot-Watt University in Edinburgh in the UK recorded 2 million laser pulses over a 10 minute period, aggregating individual collisions of photos with air particles to map the laser’s entire...
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