How To See the Microwaves in a Microwave Oven

Do you want to actually see where are the microwaves in the microwave oven? Here’s a cool video by Marc that shows the exact distribution pattern of microwaves in a microwave oven.

How To Do This At Home

Microwaves can’t be seen by naked eye, so its impossible to see them inside the microwave oven. But you can use neon lamps to detect their presence. It starts by drilling a grid in a piece of an acrylic and then slipping the lamps in.

As the plate turns, the changing electromagnetic field in the microwave creates the movement of charged particles, which is basically current, thus making the lamps glow.