Scrapbook
36 watchers
Jan 2019
6:47pm, 27 Jan 2019
40,515 posts
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GlennR
Burning wood pellets to generate electricity is an environmental disaster. Worse air pollution than burning coal.
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Jan 2019
9:20pm, 27 Jan 2019
17,131 posts
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Dvorak
What about just wood?
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Jan 2019
9:30pm, 27 Jan 2019
40,517 posts
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GlennR
Wouldn’t solve the pollution problem, and a bugger to grow enough trees to make it sustainable.
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Jan 2019
4:56pm, 28 Jan 2019
40,526 posts
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GlennR
Comparison of the 'greenness' of shopping bags: bbc.co.uk |
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Jan 2019
4:02pm, 30 Jan 2019
40,573 posts
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GlennR
Your coffee is intriguing to the economist for another reason: he doesn’t know how to make a cappuccino, and he knows that nobody else does either. Who, after all, could boast of being able to grow, pick, roast and blend coffee, raise and milk cows, roll steel and mould plastics and assemble them into an espresso machine and, finally, shape ceramics into a cute mug? Your cappuccino reflects the outcome of a system of staggering complexity. There isn’t a single person in the world who could produce what it takes to make a cappuccino. Harford, Tim. The Undercover Economist . Little, Brown Book Group. Kindle Edition. |
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Jan 2019
10:41pm, 31 Jan 2019
40,614 posts
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GlennR
Why do we still lay bricks by hand?
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Jan 2019
10:49pm, 31 Jan 2019
9,593 posts
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lammo
Have you seen these? m.youtube.com Still needs a human to get the pointing right |
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Feb 2019
6:32pm, 1 Feb 2019
40,636 posts
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GlennR
Interesting. However, I don’t see why we need bricks at all.
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Feb 2019
6:32pm, 1 Feb 2019
40,637 posts
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GlennR
Extracting money, Exhibit A: jbs.cam.ac.uk |
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Feb 2019
9:46pm, 1 Feb 2019
17,171 posts
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Dvorak
Now there's a racket. Self driving cars may increase congestion by trundling slowly around city streets rather than parking and paying. |
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