"In the last 30 years, we've gone from having a room full of hard disks storing 32GB, to a memory chip the size of your fingernail storing the same. In that sa

"In the last 30 years, we've gone from having a room full of hard disks storing 32GB, to a memory chip the size of your fingernail storing the same. In that same time period, batteries have improved a little bit." And a good thing! If batteries had improved that much, the outcome of a short circuit would be measured in kilotons.