Banning cellphones in schools reaps the same benefits as extending the school year by five days, according to a study co-authored by an economist at The University of Texas at Austin.
Social Sciences
May 18, 2015
0
27
Using new international measurement standards and technology not available in the past, NOAA's National Geodetic Survey has calculated the official architectural height of the Washington Monument to be 554 feet 7 11/32 inches—a ...
Engineering
Feb 17, 2015
0
11
A team of researchers from Germany, Italy, and the USA have shown that observations of stellar visibility by citizen scientists accurately measure the brightness of the night sky. The researchers published their results Thursday ...
Space Exploration
May 21, 2013
0
1
Bucking the idea that environmentalism hurts economic performance, a new UCLA-led study has found that companies that voluntarily adopt international "green" practices and standards have employees who are 16 percent more ...
Social Sciences
Sep 10, 2012
0
0
A new study of international and U.S. state trends in student achievement growth shows that the United States is squarely in the middle of a group of 49 nations in fourth- and eighth-grade test-score gains in math, reading, ...
Social Sciences
Jul 17, 2012
0
0
It's a question that arises with virtually every major new finding in science or medicine: What makes a result reliable enough to be taken seriously? The answer has to do with statistical significance -- but also with judgments ...
General Physics
Feb 9, 2012
93
0
Optical chip-related technology is the inevitable path to retain the validity of Moore's Law, which has become the consensus of academia and industry; it can effectively solve the speed and power consumption problems of electronic ...
Optics & Photonics
Jan 15, 2024
0
11
Raman distributed optical fiber sensing has been demonstrated to be a mature and versatile scheme that presents great flexibility and effectivity for the distributed temperature measurement of a wide range of engineering ...
Optics & Photonics
May 13, 2022
0
23
(Phys.org) —African-Americans with the same grades, test scores and motivation as their white high school counterparts got lower grades in college compared with other groups. And women with the exact same level of preparation ...
Social Sciences
Apr 17, 2013
2
0
