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“Talking Lasers” That Beam Messages to Our Ears in the Works: Pentagon

Hold on to your tinfoil hats because there’s certainly a conspiracy theory a-brewin’ here. The Pentagon has confirmed it’s testing lasers that can talk. Huh? Weapons researchers at the U.S. Department of Defense have been working on less deadly means of warfare, including this laser weapon that can send brief messages — in the form

Changing the Color of Light

One of the biggest challenges in developing integrated photonic circuits — which use light rather than electrons to transport information — is to control the momentum of light. Colors of light travel at different speeds through a material but in order for light to be converted between colors, it needs to have the same momentum