Author: craigshields

Here’s a post intended for physicists like Glenn Doty to comment upon.  A reader asks:  Say we make a circumnavigating coil of conductor material, wouldn’t you generate a current? I am not into big money investments in risky ventures, but …

Using the Earth’s Magnetic Field To Generate Electricity? Read More »

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Here’s a wonderful graphic that helps us visualize what’s happening with global warming. Yes, I know there are people who say, “But there is still snow,” etc. Perhaps this will communicate to them. Perhaps not. 🙂

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Victoria Marugg writes:  Hello, Craig. I have a burning question for you that flared up again with today’s NY Times article which is off-handedly praising a new bio-diesel plant in Hawaii.  Please clarify for me and others… Doesn’t the burning …

Does Biodiesel Have a Future? Read More »

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It’s a shame when total BS is represented as some sort of technology breakthrough. Here’s a development in wind power that couldn’t possibly work as advertised.

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Let me reiterate what I just wrote in a comment: The notion that incremental solar and wind plants require significant amounts of additional backup from fossil fuel plants is a myth.  This is explained very nicely in the article linked above.   …

Wind and Solar Are Variable Resources, But What Does That Imply About the Need for Back-up Power? Read More »

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2GreenEnergy mega-supporter Gary Tulie writes:  Hi Craig, The lower house of the Dutch parliament recently voted to end the sale of fossil fuel vehicles from 2025!  How much longer before the rest of the EU follows?  

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In response to my piece on the ongoing deterioration of the world’s coral reefs, frequent commenter MarcoPolo suggests that the principal authors of the study are motivated by a political agenda. I respond:

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Here’s an article that explains the impact of super-charged El Niño conditions caused by global warming on the world’s coral reefs.  Hint: it’s not good.  To quote: Subsequent flyover surveys have confirmed an unfolding disaster: “Only four reefs out of 520 [observed] had …

Global Warming, El Niño and The Health of Our Coral Reefs Read More »

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It’s the birthday of physicist Richard Feynman, a gentleman who left us many important breakthroughs in quantum mechanics and electrodynamics,  but is best remembered for his personable character and warmth, and his belief that science is a thing of beauty. …

Science Under Attack Read More »

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Here’s an excellent example of the incredible distortion of facts that is so common to our political and economic discussions today.  I hope you’ll check out this fascinating article. So many people are being led around by the nose with …

Alberta Tar Sands and Lithium Ion Batteries: A Case Study in Deception Read More »

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