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Dec 7, 2020 at 15:00 history tweeted twitter.com/StackPhysics/status/1335962317335433216
Dec 6, 2020 at 17:45 vote accept PrawwarP
Dec 6, 2020 at 0:59 comment added ACuriousMind 1. What do you mean by "fundamental"? 2. Since entropy is a property of mixed states but not of pure states, it is not an "observable" in the technical meaning of the word in either classical or quantum mechanics. What do you mean here by these entropies being "attributed" to an observable?
Dec 5, 2020 at 23:42 history became hot network question
Dec 5, 2020 at 18:09 answer added The_Sympathizer timeline score: 3
Dec 5, 2020 at 17:45 history edited Qmechanic CC BY-SA 4.0
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Dec 5, 2020 at 17:35 answer added GiorgioP-DoomsdayClockIsAt-90 timeline score: 3
Dec 5, 2020 at 17:13 comment added hyportnex on the subjectivity of thermodynamic entropy see physics.stackexchange.com/q/193677 and physics.stackexchange.com/q/395813
Dec 5, 2020 at 16:24 answer added warlock timeline score: 3
Dec 5, 2020 at 15:42 history asked PrawwarP CC BY-SA 4.0