As a young artillery officer, Westmoreland worked out a new logarithmic fire-direction and control chart that is still in use.
Assembling their summaries, reports, surveys and other economic data, statisticians in the Washington Bureau of Internal Revenue last week finished their logarithmic and slide .
Because the scale is logarithmic, each higher number represents a tenfold increase in the magnitude of the tremors, and a 30-fold increase in the energy released.
Stanislas Dehaene in Science Daily (press release) It appears that we, as humans, can access two different methods of numerical mapping,says Dehaene. "The logarithmic, ratio-based method is the most intuitive; we inherit it from our primate evolution and we still access it in the absence...