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Tunnels are needed on Mars, as are EVs, batteries, solar and reusable methane rockets. Mars atmosphere is too thin for heavy aircraft.
by bobsil1 9y ago
Tunnels are needed on Mars, as are EVs, batteries, solar and reusable methane rockets. Mars atmosphere is too thin for heavy aircraft.
- Tepix 9y agoIt just occured to me that to use something like Hyperloop on Mars you don't even need a closed tube... it'd be like a normal (airtight) train.