For AAA batteries, our Best Buys last an hour and a half longer than the worst. In a medium-drain device, you'll get an amazing 14 extra hours from our Best Buy AAs, and four additional hours from our ...

Thomas Alva Edison: Sixty Years of an Inventor's Life. By Francis Arthur Jones. Pp. xvi + 375; with 22 illustrations. (London: Hodder and Stoughton, 1907.) Price 6s. net.

Americans throw out over three billion batteries a year, totaling about 180,000 tons of hazardous waste annually. And with tariffs on the rise, disposable batteries are no longer a budget-friendly ...

Subsequently, notable improvements were made with the possibility of being sealed. Another turning point took place in the 1950s when the alkaline battery was invented. Canadian engineer Lewis Urry ...

Toyota has taken a bold step in the world of motorsports with the unveiling of the GR LH2 Racing Concept, a hydrogen-powered racing car designed to push the boundaries of hydrogen technology.