EncycloPOD Objects: Light Bulb

EncycloPOD Objects: Light Bulb

EncycloPOD

13/04/2011 5:44PM

Episode Synopsis "EncycloPOD Objects: Light Bulb"

THIS EPISODE OF THE ENCYCLOPOD objects series is about the light bulb. FIND OUT: who invented the light bulb how the light bulb works what different types of light bulbs are available which light bulbs are better for the environment Copyright 2011 Elizabeth Hauke. All Rights Reserved.

Listen "EncycloPOD Objects: Light Bulb"

More episodes of the podcast EncycloPOD