> ...if NASA wanted to send control signals like transmit on and off, they’d need to run a whole parallel set of wires, which would be expensive. Why not trans

> ...if NASA wanted to send control signals like transmit on and off, they’d need to run a whole parallel set of wires, which would be expensive. Why not transmit continuously? That seems to be the problem they're solving, but I'm not sure why that would be a problem.