3 ms·
Solar cells, either on the ‘car’ riding up the tether or on the ground or in orbit, either beaming up/down power or with a ‘third rail’ on the tether.
by Someone 2y ago
Solar cells, either on the ‘car’ riding up the tether or on the ground or in orbit, either beaming up/down power or with a ‘third rail’ on the tether.