A scanner that puts your head on a screen so you can print it in 3-D? Yep, they’ve got that. The Equipment, Technology & Supplies show is the spot for all sorts of wild and wonderful discoveries.“Half of keeping my business fresh is making sure my equipment is of-the-moment,” said independent jewelry appraiser Ben Gordon, while shopping the aisles for new machinery, tools, packaging, and visual displays at this year’s Equipment, Technology & Supplies (ETS) show at JCK Las Vegas.He wasn’t the only one looking for updates. The annual show enjoyed brisker business than ever, said exhibitors. “I’m not sure if the recession is over, but people are tired of the drama and are moving forward in their businesses,” said James ­Gervais, president and chief operating officer of LaserStar Technologies, which had already sold two of its marquee machines—the $170,000 FiberStar l