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Reversibility can refer to: Time reversibility , a property of some mathematical or physical processes and systems for which time-reversed dynamics are well defined Reversible diffusion , an example of a reversible stochastic process
A mathematical or physical process is time-reversible if the dynamics of the process remain well-defined when the sequence of time-states is reversed.. A deterministic process is time-reversible if the time-reversed process satisfies the same dynamic equations as the original process; in other words, the equations are invariant or symmetrical under a change in the sign of time.
There are two major, closely related types of reversibility that are of particular interest for this purpose: physical reversibility and logical reversibility. [ 2 ] A process is said to be physically reversible if it results in no increase in physical entropy ; it is isentropic .
The Newton and the Schrödinger equations in the absence of the macroscopic magnetic fields and in the inertial frame of reference are T-invariant: if X(t) is a solution then X(-t) is also a solution (here X is the vector of all dynamic variables, including all the coordinates of particles for the Newton equations and the wave function in the configuration space for the Schrödinger equation).
Numberphile is an educational YouTube channel featuring videos that explore topics from a variety of fields of mathematics. [2] [3] In the early days of the channel, each video focused on a specific number, but the channel has since expanded its scope, [4] featuring videos on more advanced mathematical concepts such as Fermat's Last Theorem, the Riemann hypothesis [5] and Kruskal's tree ...
It is a paradox worthy of Zeno himself that significant dumbing-down is necessary in order to make tales of extraordinary genius comprehensible to us lay audiences. But in her own attempt at ...
Some videos also focus on various topics in mathematics and science. DONG was formerly a segment featured on the main Vsauce channel and then on the Vsauce3 channel before its own channel was launched in 2015, with the first video uploaded on October 29, 2015. The channel was renamed to D!NG on May 12, 2019, seemingly due to the channel being ...
Leprosy is not auto-degenerative as commonly supposed, meaning that it will not (on its own) cause body parts to be damaged or fall off. [332] Leprosy causes rashes to form and may degrade cartilage and, if untreated, inflame tissue. In addition, leprosy is only mildly contagious, partly because 95% of those infected with the mycobacteria that ...