NuSTAR has been busy studying the most energetic phenomena in the universe. Recently, a few high-energy events have sprung up, akin to "things that go bump in the night." When one telescope catches a sudden outpouring of high-energy light in the sky, NuSTAR and a host of other telescopes stop what they were doing and take a better look.
Technological innovation during the Stone Age occurred in fits and starts and was climate-driven, according to new research. Abrupt changes in rainfall in South Africa 40,000 to 80,000 years ago triggered the development of technologies for finding refuge and the behavior of modern humans.
A new sensor will help to make microphones hypersensitive: "Think of traditional videoconference equipment. Several people are sitting around the table, but the microphone has...
