Dr. Alexander Yakushev, spokesperson of the experiment (right) and Dominik Dietzel, PhD student from Johannes Gutenberg Mainz University, work on the detector channel used to register the short-lived ...

The rare radioactive substance made its way from the United States to Russia on a commercial flight in June 2009. Customs officers balked at accepting the package, which was ensconced in lead ...

IT is to be feared that the former of these books (which are bound together) must be condemned if only for the astounding way in which optical images are considered. The image in a concave mirror is ...