Rooftops
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Gravity Drive
Description
A spaceship propulsion method that uses gravity or gravity waves.
Novel
Star Ship
Author
Poul Anderson
Built
No
// TECHNOLOGY–
SECRETS–
WORTH-SHARING
PUBLISHED
18.04.21
FILE SIZE
497 KB
FILE FORMAT
MP4
NAVIGATION
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“The best way to keep a secret is to shout it from the rooftops” – Edwin Land
Rooftops
