And stored in the specific forms the machine can exploit.
Over a long enough timescale, though… really, really slow solar trickle charge to a space-capacitor bank? A thousand years’ suns, culminating in a glorious orgy of smelting?
Unless the capacitor breaks down before it's charged, one of the main problems discussed in the article.
Unless the capacitor breaks down before it's charged, one of the main problems discussed in the article.