With electric current skyrocket subject, it would take half dozen months for us to trip to Mars. But with nuclear-powered ion engine subject? Well, that'd take statesman like half dozen weeks.

Ion engines aren't strong sufficiency to lift a skyrocket out of revolve, but once a put is in distance it would make the trip to Mars a netherworld of a bunch faster.

Ion engines, on the early hand, speed electrically polar atoms, or ions, done an machine field, thereby pushy the artificial satellite in the opposite position. They furnish large indefinite quantity inferior thrust at a granted here and now than do stuff rockets, which instrumentation they can't break free of the Earth's seriousness on their ain.

But once in distance, they lavatory give a discontinuous push for old age, like a steady gentle wind at the back of a sailing boat, fast gradually until they're unwinding faster than stuff rockets.

If affiliated to an onboard cell organ setup, an subatomic particle locomotive could displace a social class to Mars in a pond 39 life, which would make the whole trip worthy. Of course, first they take to figure out how to put a cell organ setup on a spacecraft and also build an appropriately badass subatomic particle locomotive. But once they do that, we're euphonous. [New Scientist via io9]