Longtime Ebony and Jet editor Lerone Bennett Jr. has died. He was 89. Bennett moved to Chicago from Atlanta to become "Jet" magazine's editor in 1951, about a year after it was founded. He moved on to ...

The stability of a thin jet for electrostatic spraying of insulators using field emission or ionization is examined theoretically. Since the jet is insulating, the charge injected becomes surface ...

Lee Smolin explores the problem of understanding the universe from the perspective of being inside the universe, as well as the need for physicists to know… ...