Michael’s Miscellany: Satellite trails

I wanted to share the above image with you to demonstrate how prevalent satellite trails are becoming in astroimages. I received it from John Chumack, a longtime contributor to Astronomy magazine. He actually labeled the image, “Insane Satellite Traffic.” And he’s not wrong. He was in his observatory taking 60-second exposures of […]

October’s Night Sky Notes: Let’s Go, LIGO!

by Kat Troche of the Astronomical Society of the Pacific September 2025 marks ten years since the first direct detection of gravitational waves as predicted by Albert Einstein’s 1916 theory of General Relativity. These invisible ripples in space were first directly detected by the Laser Interferometer Gravitational-Wave Observatory (LIGO). Traveling […]

Designing CPUs for next-generation supercomputing

In Seattle, a meteorologist analyzes dynamic atmospheric models to predict the next major storm system. In Stuttgart, an automotive engineer examines crash-test simulations for vehicle safety certification. And in Singapore, a financial analyst simulates portfolio stress tests to hedge against global economic shocks.  Each of these professionals—and the consumers, commuters, and investors who depend on […]

A Delaware court dismissed Arm’s last claim against Qualcomm, ruling that Qualcomm and subsidiary Nuvia didn’t breach license agreements; Arm plans to appeal (Peter Blumberg/Bloomberg)

Peter Blumberg / Bloomberg: A Delaware court dismissed Arm’s last claim against Qualcomm, ruling that Qualcomm and subsidiary Nuvia didn’t breach license agreements; Arm plans to appeal  —  Qualcomm Inc. said a Delaware court dismissed Arm Holdings Plc’s last remaining legal claim against the chipmaker …