About PIXEL PIXEL is a , sqf innovation space at One North that provides the Infocomm and Media ICM industry with facilities, expertise and programmes to ideate, experiment and build customer centric digital experiences for the future..Free stock photos you can use everywhere. Free for commercial use No attribution required.Pixlr X is the only photo editor you need for quick yet professional edits. Designed with just the right amount of easy to navigate photo editing tools, you are about to experience the next best online image editor built with cutting edge technology. MAKE QUICK .The pixel scale used in astronomy is the angular distance between two objects on the sky that fall one pixel apart on the detector CCD or infrared chip . The scale s measured in radians is the ratio of the pixel spacing p and focal length f of the preceding optics, s=p f..