Engineering

Harnessing the sun to disinfect water

Poor access to safe drinking water is a major issue for a third of the world's population, especially for those living in rural areas. Because of the abundant sunlight in many of these regions, solar disinfection technology ...

Energy & Green Tech

Chill out: Advanced solar tech runs cooler and lasts longer

Australian photovoltaics researchers have made a 'cool' discovery: Singlet fission and tandem solar cells—two innovative ways to generate solar power more efficiently—also help to lower operating temperatures and keep ...

Energy & Green Tech

Light multiplication for stable improvement of solar cells

Now that solar cells based on silicon technology have nearly reached their efficiency limits, researchers from all over the world are looking for alternative technologies to further improve solar cell efficiency. Physicists ...