Rooftops

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Low-scale Detectors

Description

Magnifies even the smallest sound.

Novel

Brigands of the Moon

Author

Ray Cummings

Built

Yes

Year Made

1940s

Companies

Product

Parabolic microphones

coming soon

// TECHNOLOGY–SECRETS–WORTH-SHARING PUBLISHED 18.04.21 FILE SIZE 497 KB FILE FORMAT MP4

NAVIGATION

“The best way to keep a secret is to shout it from the rooftops” – Edwin Land

Rooftops