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jamesqf · 05-17-2009, 11:53 AM

Instead of putting your theoretical future transportation system up in the air, run it underground, in a tube - a larger version of an oil or gas pipeline. Then you evacuate the pipeline, and air drag becomes moot.

05-17-2009, 11:53 AM	#25 (permalink)
jamesqf Master EcoModder Join Date: Jun 2008 Location: Earth Posts: 5,209 Thanks: 225 Thanked 811 Times in 594 Posts	Instead of putting your theoretical future transportation system up in the air, run it underground, in a tube - a larger version of an oil or gas pipeline. Then you evacuate the pipeline, and air drag becomes moot.