Scientific Tuesdays - Make a Homemade Light Bulb.

Light bulbs are a fairly simple invention and we can create our very own using some common household items. All you need to light up your day is a pencil lead, some batteries and a bit of wire. Follow along and we’ll show you how. You can follow Householdhacker on Twitter at or Dylan at Thanks to Audible! Go get your free audiobook at . . Serious Business Inquiries Only: contact@