Why two diggers can't dig a hole twice as fast: the Ringelmann effect

 
Why two diggers can't dig a hole twice as fast: the Ringelmann effect - The science, Research, Informative, Longpost
Why two diggers can't dig a hole twice as fast: the Ringelmann effect - The science, Research, Informative, Longpost
Why two diggers can't dig a hole twice as fast: the Ringelmann effect - The science, Research, Informative, Longpost


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