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Groupsort 4: Discussion and Pictures

Quick Rebrief To briefly summarize the last three posts in this series on “GroupSort”, in Part 1, we proposed the problem, and came up with a brute-force algorithm to come up with the ideal solution (I’ve previously called it “the naive algorithm”, but I feel this is a little misleading – “brute force” is a better description). We found that this algorithm worked well (duh) for small values, but for real-world class-sizes — as small as about 20 people — it would simply never compute in a reasonable time. So in Part 2, I sketched out the “team-captain algorithm” that…

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Should We Eat Meat? Book Review

Vaclav Smil’s Should We Eat Meat? should have had a different title. This is a question that is scarcely seriously addressed, and certainly never clearly answered by its author. Smil’s strength is meticulously collecting and communicating statistics and figures. The first, and longer, part of the book (at least it felt longer; the tactile feel of where in a book you are is lost when reading on an eReader) presents in a dry and straightforward manner the raw numbers of animal agriculture’s impact on the environment. Numbers include land usage, greenhouse gas emissions, relative nutritional output per unit feed input, and numbers you…

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