In the atmospheric layer above it, about 10 to 30 miles up, is the stratospheric polar vortex, where every winter a sunlight-starved Arctic spins up a mass of cold air that, ultimately, dissipates ...

To access digital terrestrial television you need an aerial. It can be built-in, indoor or external and vary with platform. This guide gives a simple overview of the different aerials available ...

Expedition cruise lines may stop putting close-up images of polar bears in brochures because of new restrictions in Norway, according to an industry expert (Alamy/PA) ...

The Norwegian government said visitors to Svalbard have “a duty to retreat to a legal distance” if they encounter a polar bear that is too close. Ships are also banned from carrying more than ...

Silicone rubber is widely used in power system insulation for its hydrophobicity and hydrophobicity transfer to prevent pollution flashover. The influence of low molecular weight (LMW) siloxanes on ...

Today, the majority of questions are triggered by something that has been encountered online, usually related to some chemical supposedly impairing health.

While performance metrics of innovative technology-nodes continue to improve rapidly, energy efficiency has not kept pace. In this work, we successfully constructed a homogeneous CMOS inverter using ...

Millions shivering as polar blast brings freezing morning It's the coldest morning of the year for two major capitals, with temperatures plummeting to -7 in one town.

Nowadays, organic polar crystals are likely to replace and surpass inorganic crystals as the new generation of functional crystal materials due to their ultrafast nonlinear optical response, low ...

Silica gels act as nucleation inhibitors and have been used to grow large protein crystals in convection-free environments. However, a large amount of protein is required to overcome the inhibition ...

Polyvinyl siloxanes do not present byproduct formation after the polymerization reaction, which is expected to guarantee dimensional stability. It was shown that it remains dimensionally stable for up ...

Cryosphere and polar science study the frozen water part of the Earth system, ranging from the glaciers of Greenland to the ice sheets of the Antarctic. Antarctica photo by Jack Pan.