Category: Renewables – Science

A reader points out: Craig, you seem to think that there should be a single best solution for clean energy. I would agree with you if you qualified your assertion to state that there is a single best solution for …

How Much Variety of Renewables Do We Want? Read More »

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I asked global warming (GW) skeptic Jarrett Buys to explain the melting of the glaciers as evidenced by photos taken over the last century and the data behind ubiquitous graphs like this one. Excerpts from his response include: Man just …

More on Global Warming Read More »

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I deeply appreciate the hundreds of comments to the posts that my guests and I have written this year.  Here are the five posts that received the most comments:  The True Cost of Fossil Fuels Big Energy and Campaign Finance Reform …

The Five Most-Commented Posts of 2009 Read More »

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A reader writes: What about the Quantum vacuum, which isn’t a vacuum at all. Zero Point energy is available now. To which I respond: I’m very interestested in this, but most people tell me it’s poppycock.  (I.e., zero point energy …

Zero Point Energy Read More »

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A couple other thoughts on the global warming (GW) “debate.” In the interview that I conducted with eminent physicist Bruce Allen for my book on renewables, he pointed out that there are numerous climatologists who do not support the anthropogenic …

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I thought I’d write a quick post on the “debate” over global warming.  Perhaps the first thing to note here is that there really are very few informed people actually debating.  Of scientists covering the issue who publish peer-reviewed papers, …

Global Warming "Debate" Read More »

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Guest blogger Geoff Nicholson writes: I just noticed something very curious…. Airplanes fly more when exposed to direct sunlight, hence, confirming you thesis that solar energy is the way to go. Check out this video of airplane traffic over a …

Today’s Crackpot May Be Tomorrow’s Nobel Prize Winner Read More »

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I’m always amazed at a phenomenon that I presume to be coincidence – that similar things all seem to happen at the same time. No sooner do I publish a few posts of the conservation of energy than a young …

Conservation of Energy – It's Not Just a Good Idea; It's the LAW Read More »

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My friend Geoffrey Nicholson comments my post “Renewable Energy and Basic Physics”: Craig, I couldn’t agree more.  Other than geothermal energy, all the other sources of energy available to us originally came from solar energy and with a rather lossy …

An Engineer Comments on "Renewable Energy and Basic Physics" Read More »

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My old friend Peter Buzzard commented on my post “Molten Salt Energy Storage“: “Craig, do you know if a Stirling engine would be more efficient than making steam for a turbine?” To which I reply: I don’t know know much …

Renewable Energy and Basic Physics Read More »

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