Anyone For A Jolt Into Space? SpaceDaily

If you thought warp drive was weird, try jolt propulsion. A juddering magnet has inspired a scientist at the US Department of Energy to investigate a bizarre new way of propelling a spacecraft. The idea for a “judder-drive” struck David Goodwin when he noticed that powerful cryogenically cooled superconducting magnets often jolt in one direction for a centimetre or two when you first turn them on.