Seeing the Invisible World Around Us

This is what the world would look like if you could see invisible air currents, temperature gradients, and differences in pressure or composition of the air…

“I first saw a Schlieren imaging setup around ten years ago in Melbourne. I was immediately fascinated by the way I could see the warm air coming off my hand. I hadn’t expected the currents to be moving that fast or to be so visible…”

[Youtube]