water stories

 
Polaris is the latest robotic rover getting ready to roll. Before you say "meh," given that Curiosity is tearing around Mars, Polaris will be doing something just as worth: hunting for minerals on the moon. What's more, it will be doing it the harshest conditions possible the moon's north pole.
 
Thirsty? No? You will be. It's just a matter of time. It's also just a matter of time until the expansion of humanity makes fresh water a more precious commodity than a new iPhone, but graphene sheets with lots of little holes in them could soon solve the problem by making fresh water from salt water with incredible efficiency.

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