[Chris] writes in to let us know about his latest animatronics tutorial, this time on robotic eyebrows! The tutorial takes us through the process of using a fairly simple PIC circuit to display ...

[Chris] is at it again and this time he has put together a tutorial rounding off his animatronic face by actuating the mouth. His tutorial covers two different styles of robot mouth: an LCD mouth ...

Tired of your ho-hum, bah-humbug, sit-there-like-a-lump-of-wood, old-school Christmas tree? Well, Instructables user fjordcarver has a solution for you. The Instructable includes complete, clear ...

Welcome to The Multiverse, a new column where'll you'll find Ars' explorations and meditations on the world of science fiction. The Multiverse covers things we love, the things we hate, and the things ...