Close message Due to maintenance between 17:00 to 21:00 on Thursday 9th May 2024, Scootle website may face disruption in service. We apologise for any inconvenience caused.

Search results

Refine by resource type

Refine by topic

Main topic Specific topic Related topic
Video

What are pixels?

Meet Kevin Systrom and Piper Hanson as they explain how digital images work. What are pixels, those tiny dots of light, made from? How are colours created and represented? What does Kevin say about the way mathematical functions are used to create different image filters. What is the difference between image resolution ...