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Time-reversal symmetry is an exotic behavior found in systems whose internal physics looks different when running forward versus backward in time. For some time, physicists have searched for this behavior in systems with almost no overall magnetization. Such phases are highly prized for spintro...
A Chinese container vessel has set sail for Europe through the Arctic as part of a new weekly service on a route that cuts shipment times in half but that environmental groups warn could speed up the melting of polar ice.
Firefighters battled for a second day Sunday to contain a forest fire on the Greek Aegean island of Skyros, as the local mayor voiced hope it could soon be brought under control.
Prolonged dry spells or droughts can sometimes reduce aquatic diseases, many of which affect people. Yet other times, water scarcity can counterintuitively lead to an uptick in diseases that depend on water.
NASA's Martian helicopters are scheduled to launch in late 2028. The post We just got a glimpse at what NASA’s Skyfall helicopters will look like in action appeared first on Popular Science .