Star clusters are of great importance in any galaxy: they are the birthplace of new stars, often containing massive stars of 10 solar masses or more. Such massive stars often drive powerful winds; the ...

Researchers at Lawrence Livermore National Laboratory have generated billions of positrons, forming the highest antimatter densities ever created on earth, by using superintense short laser pulses. In ...

Modal verbs are verbs that indicate likelihood, ability, permission or obligation.

Department of Physical Chemistry and Materials Science, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary ...