Wednesday 13 April 2011

EncycloPOD Objects: Light Bulb


























THIS EPISODE OF THE ENCYCLOPOD objects series is about the light bulb.

FIND OUT:

  1. Bulletwho invented the light bulb

  1. Bullethow the light bulb works

  1. Bulletwhat different types of light bulbs are available

  1. Bulletwhich light bulbs are better for the environment
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