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Hot air balloons that illuminate the landscape below. Imagine what the Grand Canyon, Stonehenge, or the Great Wall of China would look like lit up at night by a half dozen floating giant lightbulbs.
PowerMoon HeliMax
http://www.antidazz...ermoon_formats.html
These guys use helium, but basically the same idea. [neutrinos_shadow, Feb 14 2008]
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It's going to take a lot more than 6 giant lightbulbs to illuminate any of those areas. |
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If there's 99, they'd have to be red. |
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I like this image but how are the balloons to be lit up? |
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// but how are the balloons to be lit up? // |
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Conventional tungsten-fillament light bulbs are filled with an inert gas - typically Argon - at atmospheric pressure. There's no reason why the same thing wouldn't work inside a Helium balloon ...... |
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Or put a limelight on top of the burner of a
hot air balloon. |
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