Friday, January 26, 2018

This week's penguin: Traffic problems are more interesting in the penguiverse.









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Friday, January 19, 2018

This week's penguin: When universes collide.









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Friday, January 12, 2018

This week's penguin: Not that it would work here.









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Friday, January 05, 2018

This week's penguin: So, dark matter, then.









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