EncycloPOD
  • April 13, 2011

EncycloPOD Objects: Light Bulb

EncycloPOD


























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

  1. who invented the light bulb

  1. how the light bulb works

  1. what different types of light bulbs are available

  1. which light bulbs are better for the environment
              Copyright 2011 Elizabeth Hauke. All Rights Reserved.
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                EncycloPOD
              • Published
                April 13, 2011 at 4:44 PM UTC
              • Rating
                Clean