This example was used in my blog on Creating real-life based motion effects in d3.js visuals, which is part of the SVGs beyond mere shapes series
This chart visualizes the top running speed of several animals and the fastest human. When the circles move outward they get blurred to mimic the idea of motion blur that we see in real life. The faster a circle (and thus animal) moves, the more blurred it gets
Click anywhere to move the circles back in and again to move them back
Other examples about motion blur are
Data from SpeedOfAnimals.com
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