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  2. United States one-hundred-dollar bill - Wikipedia

    en.wikipedia.org/wiki/United_States_one-hundred...

    (approximately 7.4218 × 3.125 in ≈ 189 × 79 mm). 1861: Three-year 100-dollar Interest Bearing Notes were issued that paid 7.3% interest per year. These notes were not primarily designed to circulate and were payable to the original purchaser of the dollar bill.

  3. Image sensor format - Wikipedia

    en.wikipedia.org/wiki/Image_sensor_format

    Although the most common medium format film, the 120 roll, is 6 cm (2.4 in) wide, and is most commonly shot square, the most common "medium-format" digital sensor sizes are approximately 48 mm × 36 mm (1.9 in × 1.4 in), which is roughly twice the size of a full-frame DSLR sensor format.

  4. Super-Earth - Wikipedia

    en.wikipedia.org/wiki/Super-Earth

    Illustration of the inferred size of the super-Earth CoRoT-7b (center) in comparison with Earth and Neptune. A Super-Earth or super-terran or super-tellurian is a type of exoplanet with a mass higher than Earth, but substantially below those of the Solar System's ice giants, Uranus and Neptune, which are 14.5 and 17.1 times Earth's, respectively. [1]

  5. Dimension - Wikipedia

    en.wikipedia.org/wiki/Dimension

    A temporal dimension is one way to measure physical change. It is perceived differently from the three spatial dimensions in that there is only one of it, and that we cannot move freely in time but subjectively move in one direction. The equations used in physics to model reality do not treat time in the same way that humans commonly perceive it.

  6. Pluto - Wikipedia

    en.wikipedia.org/wiki/Pluto

    Pluto's distance from Earth makes its in-depth study and exploration difficult. Pluto's visual apparent magnitude averages 15.1, brightening to 13.65 at perihelion. [ 3 ] To see it, a telescope is required; around 30 cm (12 in) aperture being desirable. [ 174 ]

  7. Drag coefficient - Wikipedia

    en.wikipedia.org/wiki/Drag_coefficient

    Drag coefficients in fluids with Reynolds number approximately 10 4 [1] [2] Shapes are depicted with the same projected frontal area. In fluid dynamics, the drag coefficient (commonly denoted as: , or ) is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water.

  8. Water - Wikipedia

    en.wikipedia.org/wiki/Water

    The human body contains from 55% to 78% water, depending on body size. [ 127 ] [ user-generated source? ] To function properly, the body requires between one and seven litres (0.22 and 1.54 imp gal; 0.26 and 1.85 US gal) [ citation needed ] of water per day to avoid dehydration ; the precise amount depends on the level of activity, temperature ...

  9. Hard disk drive - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive

    They are coated with a shallow layer of magnetic material typically 10–20 nm in depth, with an outer layer of carbon for protection. [ 47 ] [ 48 ] [ 49 ] For reference, a standard piece of copy paper is 0.07–0.18 mm (70,000–180,000 nm) [ 50 ] thick.