This project, sent in by [Henk], goes through a few different ways to make a solder stencil using a vinyl cutter, a CO2 laser, and a fiber laser. The project starts with identifying a method to ...

Recent research of the sounds of ancient Aztec skull-shaped whistles revealed their profound psychoacoustic effects on modern listeners. For the first time, scientists have examined the impact of ...

Here's a few ideas for you. You could add a Victorian fire place to your home, a Roman statue, or a pile of Aztec skulls pilled neatly into a cute little tower. OK, maybe let's not take home ...

Archaeologists believe tower was intended as a warning to rivals of the Aztec empire ...