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"I long ago realized that I could reach far more people by writing something, than by walking down the street with a banner."
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![]() A clever twist on the idea of artificial gravity, or a gravity shield, inside a spacecraft.
The Heaviside layer (also called the Kennelly-Heaviside layer) is a layer of ionized gas that occurs at about 56-93 miles above the earth's surface. It makes possible radio waves that can propagate beyond line-of-sight.
Compare to the gravity screen from Edmond Hamilton's 1929 classic Crashing Suns. Comment/Join this discussion ( 0 ) | RSS/XML | Blog This | Additional
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Science Fiction
Timeline
Wearable Energy Harvester
'... he had tightened the chest to gain maximum pumping action from the motion of breathing.'
Drones Participate In Buddhist Rites
'...a prayer wheel swung into view and began spinning at a furious pace.'
'Feel the AGI' OpenAI Leader Now OpenWorship
'And are all the people willing to be governed by a machine?'
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'It's an old model,' Rawlins said. 'I'm not sure what to do.'
Mika The Robot-Boss
'the robot-boss was busy at the lip of the new lode instructing and egging the men on to greater speed...'
Yamaha Motoroid 2 No Handlebars Self-Balancing Motorcycle
'He rode the bike with an intense lack of physical grace...'
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