Aeromine Technologies has developed a rooftop bladeless wind energy unit; they claim that it provides the same amount of power as up to 16 solar panels
Aeromine Technologies says its motionless system, which was validated through joint research with Sandia National Laboratories in Albuquerque and Texas Tech University, easily installs on the edge of a building and can generate up to 50% more energy at the same cost as rooftop solar.
It’s designed to sit on buildings with flat roofs such as warehouses and distribution centers, manufacturing facilities, office buildings, multi-family residential developments, and big box retail.
Science fiction writers introduced readers to this idea in the 1890's. In A Journey In Other Worlds, John Jacob Astor IV wrote about "rooftop windmills:"
Sometimes a man has a windmill on his roof for light and heat; then, the harder the wintry blasts may blow the brighter and warmer becomes the house, the current passing through a storage battery to make it more steady.
'Old People Began to Cross The Continent In Their Own Cars'
'It was a relief to enter one of the comfortable autos, whisper a direction down the tube, and just know that you would be taken to your destination in the quickest, safest, and cheapest manner.' - Dr. David H. Keller, 1935.
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Prairie Madness - And Space Sickness
'Space-sickness is one of the most unpleasant sensations that a human being can experience. Not all are subject to it...'
'Old People Began to Cross The Continent In Their Own Cars'
'It was a relief to enter one of the comfortable autos, whisper a direction down the tube, and just know that you would be taken to your destination in the quickest, safest, and cheapest manner.'
Starfall Manufacturing Drugs In Space
'The vast spinning sphere of Factory in the Sky loomed above and ahead of us, gleaming white against the unfathomable jet depths of surrounding space.'
The Solar Oberth Slingshot
'And if it doesn’t work,' inquired Lazarus, 'what does that make us? Sunspots?'
'If Anyone Is Watching Earth...'
'Our study of your race has convinced us that you are not fitted to leave your planet in the present state of your civilization.'