What a Load of Hot Air!

Marion Cromb and Daniel Thomas reveal the invisible beauty of the world around us with schlieren imaging.

Look here, there’s something cool happening! No, not just on the page, but in the air in front of it! There are many interesting phenomena taking place all the time in the air surrounding us, but their transparency normally makes them difficult to admire. However, certain techniques are able to pick up on slight changes in the way materials bend light, allowing us to see the otherwise hidden beauty of air flow and much much more.
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