Mark Buchanan’s Physics Letters

Mark Buchanan’s Physics Letters

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February 2023

January 2023

December 2022

Artificial intelligence, computing and energy -- the hidden costs of the information revolution
In just a few decades, computing and information technology have come to consume fully 5% of all the energy we use. Now artificial intelligence is…
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Mark Buchanan
To stop global warming, why not just turn down the Sun?
It would be easy to do -- but insanely risky. Even so, the idea seems likely to grow in popularity, as it aligns with the needs of the oil industry and…
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Mark Buchanan

November 2022

"Global warming" or "climate change"?
We should use the most accurate term. Remember that "climate change," now the most frequently used term, was introduced by Republicans in the US as a…
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Mark Buchanan
Why fracking doesn't have much of a future...
Sure, it produces oil and gas, but not at all efficiently, and probably not for much longer
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Mark Buchanan
Aliens, if they exist, will face global warming too, but maybe not quite like us
Any civilization will do more complex things over time, use ever more energy, and eventually heat up their planet. But with greenhouse gases, we've…
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Mark Buchanan
3
Can opinions be stronger than reality?
Investors aren't fleeing fossil fuel assets as one might expect. The reason, some scientists suspect, is belief that keeping values high may prevent…
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Mark Buchanan
Get ready for a smoking 2024, when global warming will make a big jump
This year's been really hot, even during a cool phase of the normal 3-7 year up and down temperature cycle. We'll be in the high phase by 2024, with the…
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Mark Buchanan
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