Cheap cynicism is fun, but Wh/kg has been steadily increasing since the '90s https://arstechnica.com/science/2021/05/eternally-five-years-away-no-batteries-are-

Cheap cynicism is fun, but Wh/kg has been steadily increasing since the '90s https://arstechnica.com/science/2021/05/eternally-five-years-away-no-batteries-are-improving-under-your-nose/3/ https://arstechnica.com/science/2021/05/eternally-five-years...