Air is invisible, but its movement shapes everything around us. Using light refraction, heat, and fluid dynamics, scientists ...

The word “Schlieren” is German, and translates roughly to “streaks”. What is streaky photography, and why might you want to use it in a project? And where did this funny term come from? Think of the ...

The last few weeks were extremely mild for this time of year. We had some cold nights, but days were warm. The variation in temperatures has proved challenging, with many reports of respiratory issues ...