A new sodium-ion battery offers a cheaper and safer alternative to conventional lithium-ion systems, scientists say, paving ...

Stretches of some of the city’s busiest thoroughfares are inadequately illuminated, the city police have found. The police have written to the PWD seeking that the yellow sodium vapour lamps be ...

Two much-publicized electrical companies—General Electric and Westinghouse—supply most of the U. S. with lamp bulbs. In Europe that function is performed chiefly by potent Philips Glow-lampworks of ...

Mayflies emerge when deep water temperatures reach 68 degrees, which hasn't happened yet in the Great Lakes. Residents can mitigate mayfly presence by using yellow light bulbs and sealing windows and ...

Plans to improve the education of America's youth usually focus on boosting reading or math skills, but a Toronto psychologist thinks there may be an equally effective way to better performance: ...