In this paper, we present a derivation of the relativistic equations of Quantum Mechanics. We focus on the second order equations (both Klein Gordon’s and Dirac’s), since the linear Dirac equation can ...

Pennsylvania women are at increasing risk of suffering serious health problems during or after their pregnancies, with severe maternal morbidity spiking by 40% since 2016, according to a new report.

In this study, we present the first integration of the spin-unrestricted similarity-transformed equation-of-motion coupled cluster method (CVS-USTEOM-CCSD) for core-excited and core-ionized states ...

China and the U.K. right now have the opposite problem. For China, the issue is growth, and the market signal has been plummeting bond yields BX:AMBMKRM-30Y in spite of promises by the country’s ...

If you want to accentuate the importance of a problem, it seems sensible to explain how prevalent it is. Lots of people are at risk of Alzheimer’s disease. Lots of women carry a gene that makes ...

British director Joe Wright has said fascism is a "global problem" and there is a sense ... "Growing up in the 80s, the word fascist was bandied about and was used against any authoritarian ...

That’s because the decidedly non-globalist Trump, people here truly believe, could be on the verge of solving maybe the most intractable problem the world faces: The nearly three-year armed ...

and pointed at problems with water leaks and “worrying temperature swings which endanger the conservation of works of art.” Built in Paris in the late 12th century, the Louvre Palace for ...

solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.” So, in the interest of not being ...