Article seems a little misinformed. It claims you couldn't sent a signal to the front of the ship to turn the drive off, but the whole point of the drive is tha

Article seems a little misinformed. It claims you couldn't sent a signal to the front of the ship to turn the drive off, but the whole point of the drive is that, within the bubble, nothing is going faster than the speed of light. It is the stretching and compression of space time outside the bubble that moves the ship.