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Tag: mirror

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Transparent Cars

If we don’t need windows in spaceships, we don’t need them in cars either. Retro-reflective screens reflect images straight back at the source of light, instead of at an opposite angle as happens with a mirror. This allows the driver of a car to see what is outside the car, just as though the car […]

Time Reversal Signal Processing

Time reversal signal processing uses a mirroring technique to amplify and concentrate wave forms in specific mediums. When some forms of waves travel through some mediums, they can accumulate reflections that distort and diffuse the original signal. Think of an acoustic sonar ping under water bouncing off of every surface in a cluttered environment. The […]