cm0002@lemmy.world to science@lemmy.worldEnglish · 4 days agoScientists Confirm the Incredible Existence of ‘Second Sound’www.popularmechanics.comexternal-linkmessage-square3fedilinkarrow-up139arrow-down14
arrow-up135arrow-down1external-linkScientists Confirm the Incredible Existence of ‘Second Sound’www.popularmechanics.comcm0002@lemmy.world to science@lemmy.worldEnglish · 4 days agomessage-square3fedilink
minus-squarefrongt@lemmy.ziplinkfedilinkEnglisharrow-up27·4 days agotl;dr: heat energy moves in waves
minus-squareCannonFodder@lemmy.worldlinkfedilinkEnglisharrow-up10·4 days ago… in a superfluid (ie in some substances at very close to absolute zero)
minus-squareSuccessful_Try543@feddit.orglinkfedilinkEnglisharrow-up3·edit-23 days 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.