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  2. Heights of presidents and presidential candidates of the ...

    en.wikipedia.org/wiki/Heights_of_presidents_and...

    The second-tallest unsuccessful candidate is John Kerry, at 6 ft 4 in (193 cm). The shortest unsuccessful presidential candidate is Stephen A. Douglas, at 5 ft 4 in (163 cm). The next shortest is Hillary Clinton, who lost the 2016 election and is 5 ft 5 in (165 cm). The largest height difference between two presidential candidates (out of the ...

  3. Average human height by country - Wikipedia

    en.wikipedia.org/wiki/Average_human_height_by...

    According to a study in France, executives and professionals are 2.6 centimetres (1.0 in) taller, and university students are 2.55 centimetres (1.0 in) taller than the national average. [7] As this case shows, data taken from a particular social group may not represent a total population in some countries.

  4. Wavenumber - Wikipedia

    en.wikipedia.org/wiki/Wavenumber

    Wavenumber, as used in spectroscopy and most chemistry fields, is defined as the number of wavelengths per unit distance, typically centimeters (cm1): ~ =, where λ is the wavelength. It is sometimes called the "spectroscopic wavenumber". [1] It equals the spatial frequency.

  5. Centimetre - Wikipedia

    en.wikipedia.org/wiki/Centimetre

    A centimetre (International spelling) or centimeter (American spelling), with SI symbol cm, is a unit of length in the International System of Units (SI) equal to one hundredth of a metre, centi being the SI prefix for a factor of ⁠ 1 100 ⁠. [1] Equivalently, there are 100 centimetres in 1 metre. The centimetre was the base unit of length ...

  6. Reciprocal length - Wikipedia

    en.wikipedia.org/wiki/Reciprocal_length

    Spatial frequency is a reciprocal length, which can thus be used as a measure of energy, usually of a particle. For example, the reciprocal centimetre, cm1, is an energy unit equal to the energy of a photon with a wavelength of 1 cm. That energy amounts to approximately 1.24 × 10 −4 eV or 1.986 × 10 −23 J.

  7. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    The centimetre (SI symbol: cm) is a unit of length in the metric system equal to 10−2 metres (⁠ 1 100 ⁠ m = 0.01 m). To help compare different orders of magnitude, this section lists lengths between 10 −2 m and 10 −1 m (1 cm and 1 dm). 1 cm – 10 millimetres. 1 cm – 0.39 inches. 1 cm – edge of a square of area 1 cm 2.

  8. List of scale model sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_scale_model_sizes

    1:48: 1 ⁄ 4 in: 6.350 mm: Aircraft models. Dollhouse. Military models. Wargaming. For dollhouse applications, 1:48 is commonly known as quarter scale (as it is one-quarter of the 1:12 "standard" dollhouse scale). Mainly military aircraft, but in 2005 Tamiya launched a new series of armored fighting vehicle (AFV) models in this scale. It is ...

  9. Bee hummingbird - Wikipedia

    en.wikipedia.org/wiki/Bee_hummingbird

    The bee hummingbird is the smallest living bird. [3] [4] Females weigh 2.6 g (0.092 oz) and are 6.1 cm (2 + 3 ⁄ 8 in) long, and are slightly larger than males, which have an average weight of 1.95 g (0.069 oz) and length of 5.5 cm (2 + 1 ⁄ 8 in). [3]