The icon identifies animations that require the Adobe Flash plug-in. The and icons identify animations that can be viewed on devices supporting HTML5 video.
Legal notice: Noncommerical links to animations on this website are permitted only if the link is to the HTML file displaying the animation. Direct links to Flash (.swf) or video (.mov/.mp4) files are prohibited. Links for commercial purposes, or downloading files for offline use is prohibited without the prior written permission of the copyright owner (indicated beneath each animation).