Build an Electric Buzzer

The discovery of electromagnetism created a wave of innovation - over the past century thousands of patents have been issued for devices that use electromagnetism. This video demonstrates how to construct one of these devices - an electromagnetic buzzer.

[@wvb93]

have you guys done a video on radio waves? i learned the difference between amplitude modulated (AM) and frequency modulated (FM) waves and what they look like. i always found it amazing that the wavelengths for some of these could be meters long.

[@AeonFlexMusic]

can you make a tutorial of how to create that battery holder @ 0:59?

[@gokharol]

2:58 sorry, do these little wire holders have an especific name?

[@Neueregel]

amazing homemade gadget !!

[@tutentDotCom]

I greatly appreciate you including safety warnings in your video. This can be a great like demo for students looking to explore electricity and magnetism. Thanks.

[@wvb93]

i like the subtle music in the background.