One of the most difficult aspects of shopping for projectors is trying to compare specifications. Does Projector A's 5,000:1 contrast ratio actually look better than Projector B's 4,500:1? How much ...

As projectors advance from fluorescent-lamp light sources to more modern technologies, we examine whether our testing methods are still relevant. For the most part, our results are encouraging. One of ...

Radioactive materials and other tracers are often utilized for non-destructive analysis techniques, as these materials possess the ability to detect hidden flaws through the use of short wavelength ...