Robots can recharge themselves by 'eating metal'
researchers from the university of pennsylvania school of engineering and applied sciences have just announced a bold idea: robots can recharge themselves by coming into contactBatteries made from seawater charge 80% in 5 minutes, safer
on december 18, ibm announced that it had developed a new battery technology using materials extracted from seawater.Successfully manufactured smartphone batteries that work well in conditions of -70 ° C
this not only allows smartphone devices to operate stably in the harshest areas of the world, but also can operate in outer space.