Moon bricks could keep the lights on and the heat up in Lunar colonies

Moon bricks could keep the lights on and the heat up in Lunar colonies

There may be no "dark side" of the Moon, but when and where it is dark, it's dark — and stays that way for two weeks. Turns out bricks made of Moon dust could be part of the solution. The European Space Agency partnered with Azimut Space to find out whether a sort of improvised geothermal energy solution would be feasible.