Thanks for posting this! On 4/22/19 9:09 AM, Owen Densmore wrote: > Interesting work being done at SFI on how processes progress through time: > > https://medium.com/predict/physicists-discover-time-can-move-in-discrete-chunks-ec5e826a7395 > > The paper is here: https://www.nature.com/articles/s41467-019-09542-x > > A quote from the medium.com <http://medium.com> article: > > The authors stumbled on the necessity of hidden states and hidden > timesteps while searching for the most energy-efficient way to flip a bit of > information in a computer. > > That investigation — part of a larger effort to understand the > thermodynamics of computation — revealed that there is no direct way to > implement a map that both sends 1 to 0 and also sends 0 to 1. Rather, in > order to flip a bit of information, the bit must proceed through at least one > hidden state and involve at least three hidden time steps. > > > Thermodynamics turns up in the weirdest places!
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