
Interest in the field of solar energy has centered until recently mainly on photovoltaic devices, which convert the sun’s light into electricity.
Read MoreInterest in the field of solar energy has centered until recently mainly on photovoltaic devices, which convert the sun’s light into electricity.
Read MoreRoughly two-thirds of the energy we use in the world today ends up as waste heat—whether it’s escaping through the smokestack of a power plant or the tailpipe of your automobile —
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Net Neutrality is *not* dead yet. Call Congress to overrule the FCC vote. fb.me/1jlii3lu7
About 3 years ago from Tracy's Twitter via Facebook · reply · retweet · favorite
Please be aware of the genocide that is starting in South Africa. I have several friends in the country who are... fb.me/9f2mesObU
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twitter.com/crawfordt900/s… fb.me/Ff2KN66b
About 4 years ago from Tracy's Twitter via Facebook · reply · retweet · favorite
Google - Local “command and control” government agencies may have 1/10th to 1/1,000th of the capacity required... fb.me/8WLkMe5Co
About 4 years ago from Tracy's Twitter via Facebook · reply · retweet · favorite
Hey, Tracy Crawford invited you to join Pinterest! fb.me/2edncLffE
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Now at Dirty South! fb.me/3IEarF9C2
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For anyone who doesn't feel like they fully understand what all the fuss around Russia is really about. Bill... fb.me/25ujnVPBS
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About 4 years ago from Tracy's Twitter via Facebook · reply · retweet · favorite
Cool new site I've been developing... fb.me/QVoSfpF7
About 5 years ago from Tracy's Twitter via Facebook · reply · retweet · favorite
FPV Board Camera Mount fb.me/4bcDguKAZ
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