Wolfram Research

The 2016 Atomic Mass Evaluation (AME2016)

Atomic mass list for analysis which contains the elements, mass excess, binding energy, beta-decay energy, atomic mass and more

Commuter-Adjusted Daytime Population by U.S. Place

2006-2010 data on daytime commuting patterns in the U.S.

Commuter-Adjusted Daytime Population by U.S. State

2006-2010 data on daytime commuting patterns in the U.S.

Commuter-Adjusted Daytime Population by U.S. County

2006-2010 data on daytime commuting patterns in the U.S.

Gridded World Population Density

UN-adjusted gridded world population density for the years 2000, 2005, 2010, and 2015

Minimal Inequivalent Square Tilings

A dataset of images and constraints for the minimal inequivalent square tilings, along with the allowed tiles that generate the tiling

Sample Data: Earthquake Waiting Times

The time in days between serious (magnitude at least 7.5 or over 1000 fatalities) earthquakes worldwide, from 12/16/1902 to 3/4/1977