Chances are you’ve encountered some version of the “Ebbinghaus illusion,” in which a central circle appears to be smaller when encircled by larger circles and seems larger when surrounded by smaller ...

Microsoft has built a prototype computer that uses light and analog signals instead of traditional binary computing. The system, developed in Cambridge, U.K., is designed to handle optimization tasks ...

The new Compact 500 Series VisionGauge® Digital Optical Comparator is the perfect solution for space-limited applications. It provides full functionality for smaller parts, in a significantly reduced ...

In a booth full of technology ranging from multi-sensor vision systems, video-based inspection and measurement systems, and even old-school optical comparators, it was a small indicator that packed a ...

The optical illusion seen above makes the viewer feel as if they are falling into an expanding hole – and now we have a good explanation for why this happens. Optical tricks can be caused by different ...

Abstract: We report on an instrument for calibration of the 8-mm length gauges, currently being developed and finalised at ISI. The design and construction were ...

The 74HCT85 is a high-speed 4-bit magnitude comparator that is expandable to almost any length. It features serial or parallel expansion without extra gating and has a standard output capability. It ...

Abstract: Summary form only given. An overview of the development of a system comprising of instruments, based on the current-comparator technology, for calibration of optical instrument transformers ...