Which suggests a possible damping mechanism. From Tom Holmes, N8ZM
> On Sep 11, 2021, at 10:08 AM, Adrian Godwin <artgod...@gmail.com> wrote: > > Doesn't that depend on the configuration of the fields ? > For instance, a pair of facing like poles will repel and, as you say, make > a good spring. > But a magnet falling down an aluminium tube will go slowly, because of the > generated eddy currents and their subsequent fading due to the lossy > aluminium. > > >> On Sat, Sep 11, 2021 at 2:02 PM Poul-Henning Kamp <p...@phk.freebsd.dk> >> wrote: >> >> -------- >> Gilles Clement writes: >> >>> Magnetic levitation, dampening external vibrations ? >> >> By theselves magnetic fields are just really good springs. >> >> To get any kind of dampening you either need to add a >> dash-pot (=shock-absorber) as a dissipative device or >> you need to modulate the magnitic field to emulate >> the same result. >> >> I'm told the latter is much harder than it sounds. >> >> -- >> Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 >> p...@freebsd.org | TCP/IP since RFC 956 >> FreeBSD committer | BSD since 4.3-tahoe >> Never attribute to malice what can adequately be explained by incompetence. >> _______________________________________________ >> time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send >> an email to time-nuts-le...@lists.febo.com >> To unsubscribe, go to and follow the instructions there. >> > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an > email to time-nuts-le...@lists.febo.com > To unsubscribe, go to and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an email to time-nuts-le...@lists.febo.com To unsubscribe, go to and follow the instructions there.