21h
ZME Science on MSNMars has huge amounts of water hidden beneath its surface — and perhaps life tooMars might hold enough subsurface water to cover its surface in a global ocean between 0.62 to 1.24 miles (1 to 2 kilometers) ...
The recent development of optical fibers guiding optical vortices has provided a route for using the orbital angular momentum carried ... regions inaccessible using other optical systems, and filling ...
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