By Larry Barnett When I was growing up in the ‘50s the only tattoos I saw were on the arms of working men, either patriotic ...

Researchers used X-rays to find that magnets reduce flaws in 3D-printed metal parts, improving quality by 80 percent.

Safety critical components for aircraft and Formula 1 racing cars could one day be 3D printed via a new technique that substantially reduces imperfections in the manufacturing process.