Human hearing beats the Fourier uncertainty principle

(Phys.org)—For the first time, physicists have found that humans can discriminate a sound's frequency (related to a note's pitch) and timing (whether a note comes before or after another note) more than 10 times better ...

Growing online sales could lower prices, but also trim choices

Shoppers could see lower prices but less variety to choose from as more manufacturers sell directly to consumers through the Internet, according to new research led by a University of Illinois business professor.

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