Sustainable Energy
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Rescooped by Hans De Keulenaer from Digital Sustainability
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What Exactly Is A Smart City?

What Exactly Is A Smart City? | Sustainable Energy | Scoop.it
Having worked in the smart cities space for several years now, I am encouraged by the growth of the sector and the pace of technological advancements being developed for urban environments.
Via paradoxcity, Digital Sustainability
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Doc V Physics: Using Energy Conservation for Finding Speeds

Doc V Physics: Using Energy Conservation for Finding Speeds | Sustainable Energy | Scoop.it
Here are two examples with springs and gravity, and how energy conservation provides an easier, quicker way to get the speed. Our starting point is: Uo + KEo = Uf + KEf + heat, where heat is the work done by friction.
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Language Log » Preserving / conserving energy

Language Log » Preserving / conserving energy | Sustainable Energy | Scoop.it
Wait, I thought to myself, shouldn't that be "This machine conserves energy"? But then again, the first law of thermodynamics guarantees that conservation of energy applies to ALL machines. Still, "… preserves energy" sounds strange.
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