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The breakthrough, which is up to 90 percent accurate, will be a boon for paralysed patients who cannot speak and could help read anyone’s thoughts ultimately, reports the Telegraph. “We were beside ourselves with excitement when it started working,” said Prof Bradley Greger, bioengineer at the Utah University who led the project. “It was just one of the moments when everything came together. “We have been able to decode spoken words using only signals from the brain with a device that has promise for long-term use in paralysed patients who cannot speak. I would call it brain reading and we hope that in two or three years it will be available for use for paralysed patients.” The breakthrough came when the team attached two button-sized grids of 16 tiny electrodes to an epileptic’s brain’s speech centres, says the journal of Neural Engineering.
The Hindu : Health : Breakthrough: sensors that can convert thoughts into speech
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A golden rectangle with longer side a and shorter side b , when placed adjacent to a square with sides of length a , will produce a similar golden rectangle with longer side a + b and shorter side a . This illustrates the relationship . In mathematics and the arts , two quantities are in the golden ratio if the ratio of the sum of the quantities to the larger quantity is equal to the ratio of the larger quantity to the smaller one. The figure on the right illustrates the geometric relationship. Expressed algebraically:
Golden ratio - Wikipedia, the free encyclopedia
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