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Tubular laser beams can create what amount to fiber-optic cables made of thin air, researchers report in a study to appear in Physical Review X. Laser-heated air can efficiently transmit light signals ...
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How to Make a Laser for Mobile Phone
In this step-by-step tutorial, learn how to make a laser for your mobile phone. Discover the materials needed and follow simple instructions to transform your device into a versatile gadget. We'll ...
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