All Questions
Tagged with energy electromagnetism
3 questions
23
votes
2
answers
2k
views
Does the amount of land needed to get the USA to zero-carbon electricity correspond to a small area of Texas?
After watching Elon Musk's presentation regarding the Tesla Powerwall, I had a question.
On his diagram of the USA, he claims that a "tiny blue square" on the top of Texas that consists of solar ...
0
votes
1
answer
677
views
Is there any proof that blackle.com conserves energy? [duplicate]
There are claims that blackle.com conserves energy given that it is darker themed and produces less light. There is a counter under the search box that constantly increases. But in today's era of ...
- 357
9
votes
0
answers
409
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Are electric cars better for the environment than internal-combustion cars? [duplicate]
Possible Duplicate:
Does a car with a hybrid engine and Lithium batteries pollute more than a car with conventional technology?
We hear a lot about electric cars being the future. But we also ...
- 199