If you’ve ever wanted to see what your parents or grandparents might have looked like in colour, ChatGPT can help restore old black-and-white photos with an AI-powered process that’s now ...

Consider a simple black and white image ... The more colours an image requires, the more bits per pixel are needed. Therefore, the more the colour depth, the larger the image file will be.

Zebras in warmer areas have more stripes, for example, and biting flies such as horseflies avoid landing on black-and-white striped surfaces. Join a group of scientists and artists as they reflect on ...