For those looking to build their own clocks, one of the easiest ways to get started is with a pre-built module that uses a simple quartz oscillator and drives a set of hands. This generally doesn&#… ...

LINGJING, CHINA—Courthouse News reports that a bird figurine carved from a heat-blackened piece of animal bone radiocarbon dated to 13,500 years ago has been identified at the site of Lingjing ...