No.74
Hovering using hot air, lighter than air gas or vacuum
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No.75
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No.391
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No.392
>>391
Okay that post looks messed up, but the link still works
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No.698
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No.726
https://en.wikipedia.org/wiki/Vacuum_airship
Recent advances in applied knowledge of materials could make vacuum airships feasible with some adjustments. Air evacuated metal foams, meshes or strengthened metalloid allotrope materials might hold the key to making these kinds of airships hold their structure under pressure while being lightweight enough for them to take off.
https://en.wikipedia.org/wiki/Allotropy
https://en.wikipedia.org/wiki/Nanofoam
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No.761
I find these chinese lanterns to be interesting;
https://en.wikipedia.org/wiki/Sky_lantern
Sometimes they've been confused with UFO's
I've seen lines of these lanterns in the night sky sometimes
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No.762
>>391
This thing looks like a butt or the top of a dick
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No.765
>>762
Yeah a big ass windbag
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No.1007
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No.1073
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No.1183
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No.1316
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