One of the biggest reasons that Ultra watches like the Apple Watch Ultra 2 and Galaxy Watch Ultra appeal to so many people is the battery life ... of the same price and size.
The zinc-air batteries, which can generate up to a volt, are as thin as a human hair. A battery designed by MIT chemical engineer Michael Strano and colleagues could make it possible for cell-size ...
In combined battery capacity deployed – a better indicator of battery materials demand than unit sales alone – the global electric car market expanded by 22% so far this year. In total ...