Schlieren Imaging in Color!

A few months ago, I made a video about Schlieren imaging. Now that’s a technique used to visualise tiny differences in air either temperature, pressure, composition, so you can see things like the heat that comes off when you light a match. Now in that video I asked you for some ideas for what you’d […]

How to see invisible UV Light – Easy At-Home Science

Hi, I’m Tech Adams Today, I wanted to show you this. To the naked eye and to the camera, this piece of glass appears clear, but it’s not. Oohh, see how clear. In order to show that it’s not clear, I need three things. A black piece of card, a yellow highlighter, and an ultraviolet […]

Seeing the Invisible: SLOW MOTION Schlieren Imaging

If there were a portal through which you could see all of the invisible air currents, temperature gradients and differences in pressure and composition of air, then this is what it would look like to strike a match. This is helium being squeezed out of a balloon. You could see the warm air rising off […]