Did you just get a brand new Smart TV and now you're looking for ways to calibrate the image? Here's how to do so without ...

At many locations around the world, the night sky shines hundreds of times brighter than it did before the introduction of artificial light. Scientists have now studied variations in the radiance of ...

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 ...

[Nicholas Murray]’s Composite Test Pattern Generator is a beautifully-made, palm-sized tool that uses an ESP32-based development board to output different test patterns in PAL/NTSC. If one is checking ...

Tyler Lacoma has spent more than 10 years testing tech and studying the latest web tool to help keep readers current. He's here for you when you need a how-to guide, explainer, review, or list of the ...

The disc of red, green, and cyan LEDs gives the device built-in lighting and enhances contrast, letting it clearly detect features other sensors might miss. The Checker detects features on parts, not ...