If two tones, one high and one low, were played about 40 milliseconds apart, the best readers had no trouble telling which tone came first.
These showed that unless the two tones were sufficiently separated in time, only one electrical signal, rather than two, was generated by the brains of the affected mice in response.
He puzzled out (and only later learned that 19th-century German engineer Heinrich Helmholtz had gotten there before him) that when two tones are played simultaneously and loudly enough, they interact to spawn two new tones.
He puzzled out (and only later learned that 19th-century German physicist Hermann Helmholtz had gotten there before him) that when two tones are played simultaneously and loudly enough, they interact to create two new tones.
Now fans are being asked to vote on colours for the shorts - either white, black, or two other tones of red.
The scientists will study acoustic distortions made when the tones of two mosquitoes buzzing are heard together by the female, and how it helps her recognize that the male is of the same species.
The paired and unpaired rats in the two boxes were subsequently exposed to five tones used in the fear-conditioning phase of the experiment.
The boutique hotel is part of the Design Hotels family, and all 39 rooms in the two Georgian townhouses are decorated in sophisticated tones of black, white and gray.
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The two men hugged and shook hands, their skin tones -- one tan, one midnight black -- creating a noticeable contrast as they embraced.
Votes from Catholic believers seem to be distributed over the three main competitors (Bersani's Democratic Party, Berlusconi's People of Freedom and Monti's coalition) and uncertainty over their reactions might exacerbate the tones of the campaign, now in its two last weeks, since the three parties might be willing to appease as many Catholics as possible.
For that we must turn to the notorious saga of the bad, bad girl who told me in hushed tones that, while she was staying in a room with two beds at the Setai in Miami, she proceeded to carefully remove the Christian Fischbacher satin sheets from the unused bed, then meticulously remake it so as not to alert housekeeping.
This two floor room with a wrap-around balcony has beautifully hand crafted walls with tones of brown, yellow and gold.
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Driven by a tri-amp system, the two 3-inch mid-range drivers constructed of super strong Kevlar, deliver true vocals and mid-tones with minimal distortion.
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