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  2. List of pitch intervals - Wikipedia

    en.wikipedia.org/wiki/List_of_pitch_intervals

    The extremes of the meantone systems encountered in historical practice are the Pythagorean tuning, where the whole tone corresponds to 9:8, i.e. ⁠ (3:2) 2 / 2 ⁠, the mean of the major third ⁠ (3:2) 4 / 4 ⁠, and the fifth (3:2) is not tempered; and the 1 ⁄ 3-comma meantone, where the fifth is tempered to the extent that three ...

  3. Einstein for Beginners - Wikipedia

    en.wikipedia.org/wiki/Einstein_for_Beginners

    Leonardo reviewer Nan Conklin stated that the work is "not simply a book explaining Einstein's scientific work, but a mixture of history, politics and science." [1] According to Science for the People reviewer Paul Thagard, "Einstein's work is related," in this book, "to the rise of electrical industries and the later development of the atomic ...

  4. Circle of fifths - Wikipedia

    en.wikipedia.org/wiki/Circle_of_fifths

    The standard tempered fifth has a frequency ratio of 2 7/12:1 (or about 1.498307077:1), approximately two cents narrower than a justly tuned fifth. Ascending by twelve justly tuned fifths fails to close the circle by an excess of approximately 23.46 cents , roughly a quarter of a semitone , an interval known as the Pythagorean comma .

  5. Solutions of the Einstein field equations - Wikipedia

    en.wikipedia.org/wiki/Solutions_of_the_Einstein...

    A popular choice of gauge is the so-called "De Donder gauge", also known as the harmonic condition or harmonic gauge =. In numerical relativity, the preferred gauge is the so-called "3+1 decomposition", based on the ADM formalism. In this decomposition, metric is written in the form

  6. Tonnetz - Wikipedia

    en.wikipedia.org/wiki/Tonnetz

    Euler's Tonnetz. The Tonnetz originally appeared in Leonhard Euler's 1739 Tentamen novae theoriae musicae ex certissismis harmoniae principiis dilucide expositae.Euler's Tonnetz, pictured at left, shows the triadic relationships of the perfect fifth and the major third: at the top of the image is the note F, and to the left underneath is C (a perfect fifth above F), and to the right is A (a ...

  7. Allen I. Questrom - Pay Pals - The Huffington Post

    data.huffingtonpost.com/paypals/allen-i-questrom

    From January 2008 to June 2010, if you bought shares in companies when Allen I. Questrom joined the board, and sold them when he left, you would have a 6.3 percent return on your investment, compared to a -27.5 percent return from the S&P 500.

  8. Crucial jobs report kicks off December trading: What to know ...

    www.aol.com/finance/crucial-jobs-report-kicks...

    Only Microsoft and Apple have seen their earnings estimates cut more than the S&P 500's 1.2% estimate trim in that time frame. Meanwhile, the S&P 500's 10 largest non-tech companies have seen ...

  9. Democrats plot a path back to victory in Nevada after Trump ...

    www.aol.com/democrats-plot-path-back-victory...

    Democrats lost Nevada in the presidential race for the first time in 20 years, with Donald Trump defeating Kamala Harris, but the party feels it has a strong roadmap to win again in 2028.