True crime. Real justice. "48 Hours" is the one to watch on Saturday nights. 10 p.m. PT.: The Puzzling Death of Susann Sills: The wife of a fertility doctor is found dead at the bottom of a staircase.

We’ve seen a great many cat feeders over the years. Some rely on the Internet of Things, and some rely on fancy microcontrollers. [Larry Cook], on the other hand, built his using a simple 4060 ...