> remote controls that weigh several kilograms
That would require either very expensive metals, or a giant remote control.
But something like this is already done - a lot of people use leg weights as an extra in the gym.
That would require either very expensive metals, or a giant remote control.
But something like this is already done - a lot of people use leg weights as an extra in the gym.
As an added bonus we can pack in 70% more mass in the same space