Travel-O-Mania
Travel to anyplace in the world in exactly 42 minutes and 12 seconds???
The Gravity Train can accomplish that. The maximum speed reached by this hypothetical train is 7900 m/s, which is at the center of the earth. Lovely concept, this one!!!!
The Gravity Train can accomplish that. The maximum speed reached by this hypothetical train is 7900 m/s, which is at the center of the earth. Lovely concept, this one!!!!