Issues

Did thermal diffusion and convection initiate the creation of the first biomolecules 3.5 billion years ago?

Orbital periods as short as 15 years clinch the case for a supermassive black hole at the Galaxy’s heart.

As LANL director, John Browne had weathered Wen Ho Lee, wildfires, and lost computer disks, but he couldn’t satisfy DOE concerns over procurement card abuses at the lab and it cost him his job.

New weapons can be built in record time to defend against terrorism and weapons of mass destruction, says Stephen Younger, the military’s top physicist.

Phase transitions and massive-neutrino decay are two processes that could lead to the preponderance of matter in the universe. Either way, the standard model for particle physics will have to be modified.

Bubbles are familiar from daily life and occupy an important role in physics, chemistry, medicine, and technology. Nevertheless, their behavior is often surprising and unexpected—and, in many cases, still not understood.

Weisskopf had a rare and harmonious blend of sentiment and intellectual rigor. He liked to say that his favorite occupations were Mozart and quantum mechanics.

Because of the central position of science in our civilization, physicists should be deeply concerned with the involvement of science in worldwide cultural and political affairs.