Carlosb.tv shows you that you can make your own microscope by dismantling a cheap USB webcam, placing something really dirty on it, turning out the lights and shining a flashlight on the result.

Using a STEM-in-SEM conversion holder, we can convert a scanning electron microscope into a scanning transmission microscope. Neat! ==== Timeline ==== 0:00 Intro 0:27 How an SEM works 1:50 ...