Tuesday, May 5, 2009

Electrcity preservation

Even though electricity is easy to generate, it requires a lot of energy like charcoal or some radioactivities. Also generating electricity is quite easy technology so we can have many ideas!!
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2 comments:

  1. IDW2009_abcMay 5, 2009 at 7:51 AM

    1. A table(or speaker) which captures the noisy sound and transfer it to electrisity.

    ReplyDelete
  2. IDW2009_abcMay 5, 2009 at 7:51 AM

    2. sustainable kindergarten.
    stepping stones, seesaw, swing.

    ReplyDelete

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