Making computers faster means relying on the central processing unit (CPU) less than ever before.
Using the Internet can destroy your faith. That’s the conclusion of a study showing that the dramatic drop in religious affiliation in the U.S. since 1990 is closely mirrored by the increase in Internet use.
If the cosmos is a numerical simulation, there ought to be clues in the spectrum of high energy cosmic rays, say theorists
Transcranial direct current stimulation works, and you can try it at home.
Cheap, simple water filters made of plant xylem could dramatically reduce the incidence of water-borne diseases in places without access to clean drinking water, say engineers.
The first study of dialects on Twitter reveals global patterns that have never been observed before.
Electrodialysis has the potential to desalinate seawater quickly and cheaply but does not remove other contaminants such as dirt and bacteria. Now chemical engineers have worked out how to do that too.
Oxford researchers say that 45 percent of America’s occupations will be automated within the next 20 years.
The best of the rest from the Physics arXiv preprint server this week.
Ten titles that inspired Technology Review to publish its own collection of sci-fi stories.