Could we launch resources from the moon with electromagnetic railguns?
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![Could we launch resources from the moon with electromagnetic railguns?](https://cdn.mos.cms.futurecdn.net/eKhWoWSJYRkUHwAens3XRV.jpg)
Electromagnetic launches of material from the lunar surface can be more efficient than conventional rocket launches that rely on chemical fuels sent from Earth. But are they feasible?