Answer: Flash paper, guncotton, nitrocellulose, it’s all the same stuff with different names. It was a serendipity, or chance discovery. Christian Friedrich Schonbein (1799-1868) was a German-Swiss ...

This is one of my favorite card color changes ever—and it uses fire! In this tutorial, I’ll show you how to perform a fast, mind-blowing card trick with flash paper that’s easy to learn and guaranteed ...