(Phys.org) —When C. K. Hong, Z. Y. Ou and Leonard Mandel demonstrated destructive quantum interference between pairs of indistinguishable bosons in their 1987 paper1, they did so with massless photons. Their protocol – ...
Researchers at Washington State University and 13 other institutions have found that the arc of prehistory bends towards economic inequality. In the largest study of its kind, the researchers saw disparities in wealth mount ...
Social Sciences
Nov 15, 2017
13
694
(PhysOrg.com) -- In quantum mechanics, Bell’s inequalities serve as a test of nonclassical behavior: if something (such as a light source) violates Bell’s inequalities, then it can be considered to involve quantum ...
Researchers of CWI, University of Gdansk, Gdansk University of Technology, Adam Mickiewicz University and the University of Cambridge have proven that quantum communication is based on nonlocality. They show that whenever ...
Quantum Physics
Apr 1, 2016
0
177
Hereditary inequality began over 7,000 years ago in the early Neolithic era, with new evidence showing that farmers buried with tools had access to better land than those buried without.
Archaeology
May 28, 2012
0
0
Voters in modern democracies, such as the United States and Germany, have long held the power to take from the rich, give to the poor and erase the huge economic inequalities that separate the vast majority of a nation's ...
Social Sciences
Mar 19, 2018
29
961
White, wealthy neighborhoods in the LA area are about to start feeling the same heat that has plagued poorer, Hispanic neighborhoods for generations. A new study shows the protective effect of income has largely eroded over ...
Environment
Nov 30, 2023
1
91
A new study conducted at the University of Turku, Finland, does not support the assumption that grandparents would always participate more in a grandchild's life during difficult circumstances.
Social Sciences
Mar 3, 2022
0
13
A team of scientists from the Universities of Granada and Cambridge, as well as the Government of Catalonia, have identified the oldest pieces of Baltic amber ever found on the Iberian Peninsula, revealing that this luxury ...
Archaeology
Oct 19, 2023
0
229
Israel Vasquez, 12, has no computer or Internet access at home, but he needs both to do his homework.
Other
Jan 24, 2012
0
0
