Back in 2007, YouTube user HouseholdHacker posted a parody video on how to make a high-def speaker for under a buck. MythBusters took on the challenge and busted it.

Although that particular method doesn’t seem to work, that doesn’t mean you can’t make your own speaker for less than $1.00. You can—and it’s really easy! Watch the video below to see how!
Video: .
To understand how a speaker works, I took one apart.

In it’s simplest form, a speaker is just a coil of wire glued to a piece of paper, and placed near a permanent magnet. When alternating current flows through the coiled wire, it is… more


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