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Short of anti-gravitics but still very cool.

Source Article (zerohedge.com)

Short of anti-gravitics but still very cool. [Source Article](https://www.zerohedge.com/technology/quiet-thrusters-flying-cars-comes-out-stealth-development)

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[–] • 0 pt

65db at source? Nice! I must have done my math wrong.

[–] • 1 pt

No, I think you are right. My math was wrong.

If you increase the intensity 4x for every halving of distance, and get down to 1.5 feet or so, it's 85 decibels, not 65.