Mach-23 potato gun to shoot satellites into space | Hacker News

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		Mach-23 potato gun to shoot satellites into space (newatlas.com)
		3 points by Brajeshwar 20 days ago \| hide \| past \| favorite \| 1 comment

Arnt 20 days ago [–]

Ok, 30km long, I get that. But are those 30km horizontal or vertical?

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