cm0002@lemmy.world to science@lemmy.worldEnglish · 2 days agoScientists Confirm the Incredible Existence of ‘Second Sound’www.popularmechanics.comexternal-linkmessage-square3linkfedilinkarrow-up11arrow-down10
arrow-up11arrow-down1external-linkScientists Confirm the Incredible Existence of ‘Second Sound’www.popularmechanics.comcm0002@lemmy.world to science@lemmy.worldEnglish · 2 days agomessage-square3linkfedilink
minus-squareCannonFodder@lemmy.worldlinkfedilinkEnglisharrow-up0·2 days ago… in a superfluid (ie in some substances at very close to absolute zero)
minus-squareSuccessful_Try543@feddit.orglinkfedilinkEnglisharrow-up0·edit-21 day agoIt’s not investigated yet, if this mechanism is also present in other, non-exotic, media. At least this would qualify some inertia, and thus finite propagation velocity, of heat conduction.
tl;dr: heat energy moves in waves
… in a superfluid (ie in some substances at very close to absolute zero)
It’s not investigated yet, if this mechanism is also present in other, non-exotic, media. At least this would qualify some inertia, and thus finite propagation velocity, of heat conduction.