Defensive Shields


I can imagine the same technology being used for solar sails while in space, or within an atmosphere magnetic control of the plasma could be used to reduce drag or even generate thrust.

Magnetic bubble may give space probes a soft landing – space – 03 July 2014 – New Scientist
http://www.newscientist.com/article/mg22329763.100-magnetic-bubble-may-give-space-probes-a-soft-landing.html