News for hackers. Stuff that matters.

A comment on First Cable-Free Elevator Zooms Horizontally and Vertically Using Maglev Tech. Parent comment

Re:First Cable-Free Elevator Zooms Horizontally and Vertical... by contingencies on Sunday June 25, 2017 @11:23PM (#14633830)
Maybe they are based on electropermanent magnets - ie. defaults to on, current switches off.
[ Parent | on HN ]

There are no comments on this comment yet.