(PhysOrg.com) -- A team of Purdue University researchers has invented a prototype water-disinfection system that could help the world's 800 million people who lack safe drinking water. The system uses ...
Researchers have measured the highest level of ultraviolet radiation ever recorded on Earth's surface. The extraordinary UV fluxes, observed in the Bolivian Andes only 1,500 miles from the equator, ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results