25/03/2021

Gravitational lenses could allow a galaxy-wide internet

As Carl Sagan once said, "The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars." And our first emissaries to the stars will be robotic probes. These interstellar probes will be largely ...

Researchers reveal cost of key climate solution

Perhaps the best hope for slowing climate change—capturing and storing carbon dioxide emissions underground—has remained elusive due in part to uncertainty about its economic feasibility.

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