NPR: A.Q. Khan, a Pakistani engineer who bought and sold nuclear knowledge and supplies in the international black market, appears to be safe from prosecution. Pakistan isn’t pursuing charges against him, and cases in Germany and Switzerland are languishing. Meanwhile, experts say Khan’s network is still up and running.
An ultracold atomic gas can sync into a single quantum state. Researchers uncovered a speed limit for the process that has implications for quantum computing and the evolution of the early universe.
January 09, 2026 02:51 PM
Get PT in your inbox
PT The Week in Physics
A collection of PT's content from the previous week delivered every Monday.
One email per week
PT New Issue Alert
Be notified about the new issue with links to highlights and the full TOC.
One email per month
PT Webinars & White Papers
The latest webinars, white papers and other informational resources.