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 ...

Engineering

New technology: Hygienic beer caps

UV light inactivates germs in drinking water. Until now, the disinfection process relied on mercury-vapor lamps, which emit light in the UV spectrum. However, mercury is a heavy metal that affects human health and the environment. ...

Robotics

Smart robot can lend hospitals a big hand

Recently, researchers from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences developed a smart functional robot that realized simultaneous disinfection of both air and object surface.