Johnson-Groh: Dark-Matter Detector

Johnson-Groh: Dark-Matter Detector

Despite its ubiquity, dark matter has eluded all attempts to detect it directly. Mara Johnson-Groh writes in Symmetry Magazine about a new “paleodetector” proposal to analyze ancient rock samples for traces of dark matter. She explains how even a tiny sample of a...

Boyle: Geeking on Gravitational Waves

GeekWire’s aerospace and science editor Alan Boyle answers your questions (and you know you have them) about gravitational waves. They were discovered when an alarm went off at an elongated detector in Eastern Washington. But what are they, what do they mean for...