Is to send a one-way gizmo out in space with said thruster attached to it and see what happens.
I said *easiest*, not *cheapest*.
Not a member of The Register?
Create a new account
Remember me on this computer?
The Register - Independent news and views for the tech community. Part of Situation Publishing
Join our daily or weekly newsletters, subscribe to a specific section or set News alerts
Biting the hand that feeds IT © 1998–2019