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  2. Drill bit sizes - Wikipedia

    en.wikipedia.org/wiki/Drill_bit_sizes

    Below is a chart providing the decimal-fraction equivalents that are most relevant to fractional-inch drill bit sizes (that is, 0 to 1 by 64ths). (Decimal places for .25, .5, and .75 are shown to thousandths [.250, .500, .750], which is how machinists usually think about them ["two-fifty", "five hundred", "seven-fifty"]. Machinists generally ...

  3. Cube root - Wikipedia

    en.wikipedia.org/wiki/Cube_root

    Cubic equations, which are polynomial equations of the third degree (meaning the highest power of the unknown is 3) can always be solved for their three solutions in terms of cube roots and square roots (although simpler expressions only in terms of square roots exist for all three solutions, if at least one of them is a rational number).

  4. Supergolden ratio - Wikipedia

    en.wikipedia.org/wiki/Supergolden_ratio

    In mathematics, the supergolden ratio is a geometrical proportion close to 85/58.Its true value is the real solution of the equation x 3 = x 2 + 1.. The name supergolden ratio results from analogy with the golden ratio, the positive solution of the equation x 2 = x + 1.

  5. Value-form - Wikipedia

    en.wikipedia.org/wiki/Value-form

    The simplest expression of the form of value can be stated as the following equation: X quantity of commodity A is worth Y quantity of commodity B where the value of X{A} is expressed relatively , as being equal to a certain quantity of B, meaning that X{A} is the relative form of value and Y{B} the equivalent form of value, so that B is ...

  6. Momentum - Wikipedia

    en.wikipedia.org/wiki/Momentum

    Forces that can change the momentum of a droplet include the gradient of the pressure and gravity, as above. In addition, surface forces can deform the droplet. In the simplest case, a shear stress τ, exerted by a force parallel to the surface of the droplet, is proportional to the rate of deformation or strain rate. Such a shear stress occurs ...

  7. British Raj - Wikipedia

    en.wikipedia.org/wiki/British_Raj

    The British Raj (/ r ɑː dʒ / RAHJ; from Hindustani rāj, 'reign', 'rule' or 'government') [10] was the rule of the British Crown on the Indian subcontinent, [11] lasting from 1858 to 1947. [12]

  8. Photosynthesis - Wikipedia

    en.wikipedia.org/wiki/Photosynthesis

    Some organisms employ even more radical variants of photosynthesis. Some archaea use a simpler method that employs a pigment similar to those used for vision in animals. The bacteriorhodopsin changes its configuration in response to sunlight, acting as a proton pump. This produces a proton gradient more directly, which is then converted to ...

  9. Homeric scholarship - Wikipedia

    en.wikipedia.org/wiki/Homeric_scholarship

    Of the 93 quotations, Mitchell Carroll says: [24] “Aristotle’s hearty veneration for Homer is shown by the numerous citations of the Iliad and the Odyssey in his works, and by the frequent expressions of admiration occurring in the Poetics; ….” , Despite this enthusiasm, Monro notes that the “poetical quotations are especially ...