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Physicists Finally Capture Mysterious Wigner Crystal After 90 Years

Electrons are marvelous little things.

Eugene-wigner , Yen-chen-tsui , Al-yazdani , Princeton-university , Yuwen-hu-of-princeton-university ,

Quantum crystal of frozen electrons—the Wigner crystal—is visualized for the first time

Quantum crystal of frozen electrons—the Wigner crystal—is visualized for the first time
phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.

New-jersey , United-states , Princeton-university , Princeton , Eugene-wigner , Al-yazdani , Yen-chen-tsui , Princeton-quantum-institute , Princeton-center , Donnell-distinguished-university-professor , Bell-laboratories

First Visualization of Quantum Frozen Electron Crystal

First Visualization of Quantum Frozen Electron Crystal
miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.

Stanford , California , United-states , Berkeley , Princeton-university , New-jersey , Princeton , Al-yazdani , Kenji-watanabe , Ali-yazdani , Michael-zaletel , Eugene-wigner

Is Facebook's "Prophet" the Time-Series Messiah, or Just a Very Naughty Boy?

12 min
Is Facebook's "Prophet" the Time-Series Messiah, or Just a Very Naughty Boy?
Published on February 3, 2021

Facebook's Prophet package aims to provide a simple, automated approach to prediction of a large number of different time series. The package employs an easily interpreted, three component additive model whose Bayesian posterior is sampled using STAN. In contrast to some other approaches, the user of Prophet might hope for good performance without tweaking a lot of parameters. Instead, hyper-parameters control how likely those parameters are a priori, and the Bayesian sampling tries to sort things out when data arrives.
Judged by popularity, this is surely a good idea. Facebook's prophet package has been downloaded 13,698,928 times according to pepy. It tops the charts, or at least the one I compiled here where hundreds of Python time series packages were ranked by monthly downloads. Download numbers are easily gamed and deceptive but nonetheless, the Prophet package is surely the most popular standalone Python library for automated time series analysis.

New-york , United-states , Kuwait , American , Alejandro-gonzalex-mata , Navratil-kolkova , Monte-carlo , Hideaki-hayashi , Michael-grogan , Albert-laszlo-barabas , Al-yazdani , Vishvesh-shah