Tue, 21-Oct-2025

This device can generate electricity from solar radiation at night

Solar power has become the world’s most important source of clean energy. However, there is a catch: the sun is now always shining. A new Australian invention claims to overcome the problem by generating electricity from solar radiation even at night. Heat emitted as infrared light by a semiconductor device termed a thermoradiative diode was … Read more

What does no Arctic sea ice mean for the rest of the world?

Arctic sea ice

An ice-free Arctic Ocean throughout summer is expected by scientists in the next few decades. Due to the exceptional summer heat wave which roiled the Russian Arctic, this prospect seems much more likely. The Laptev Sea, which lies in the northern region of the Siberian coast, is usually a factory for new sea ice but … Read more