There's a rural area in Arizona with massive groundwater basins underneath the earth. Water should be plentiful there, but ...
There are hundreds of atomic clocks in orbit right now, perched on satellites all over Earth. We depend on them for GPS location, Internet timing, stock trading ... and space navigation?Today on the ...
Ukrainian forces are fighting to hold on to the key city of Pokrovsk, in one of the fiercest battles in eastern Ukraine, but commanders admit the Russians have more troops and firepower.
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