Magnet?
Magnets are relevant. Guru Meditation Error?
No.Approx date when this device was first invented/discovered?
Not a yes/no question. Was there a particular reason why it stopped being used?
Yes. Usurped by something else?
Yes. No longer required or fashionable?
Yes, because of the above. Didn't work very well?
Not by today's standards. Actually caused problems?
Sometimes, but not that relevant. Computer programme, programming language?
No. Relevantly, time of day it happens? Relevantly, when it stopped being used? Video cassette? Kind of chair?
No to all Storage?
Yes. Floppy discs involved?
Yes. If it had been the early 1900's, might they have thought it was paranormal activity?
Very unlikely.Relevant where or when it happens... like on a train, going through a tunnel?
No.