Talk:Drop tower
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Is there an alternative to drop tower for human use (to give microgravity to human) in the earth (this is not in the air) ?. --Mac 07:37, 16 January 2007 (UTC)
Is there an alternative to drop tower for human use (to give microgravity to human) in the earth (this is not in the air) ?. --Mac 07:37, 16 January 2007 (UTC)