The chart shows the sky at the start of December. The positions of the stars on other nights can be found from previous charts (our last appeared on November 3) for they rise two hours earlier each month.
Rogue cell phone towers can track your phone and intercept your calls, and it’s only a matter of time before they’re as ubiquitous as GPS trackers. But at least now there’s a way to spot them.
One of the hairier unintended consequences of cheap 3-D printing is that any troublemaker can duplicate a key without setting foot in a hardware store.