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David Levinson

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Website title: David Levinson – A Web of Nets

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In Cosmos, episode 2, Carl Sagan famously said “Extraordinary claims require extraordinary evidence”.

Simini et al. titled their paper about the radiation model “A universal model for mobility and migration patterns.” That was an extraordinary claim. The model was an ...


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Pointers

Supply Chains

There is a war on, and fuel rationing is back on the table.

Cory Doctorow shares a poster of rationing in the 1940s


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Energy crises invite energy theatre.

Governments panic, subsidise fuel, toy with rationing, announce some restriction, and hope voters confuse motion with progress. Then prices ease, the measures are unwound, and the system that made the crisis painful in the first place remains exactly as it was. That is the wrong way to think about transport and energy. We have built...


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