enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Orders of magnitude (length) - Wikipedia

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

    An adult human foot is about 28 cm (11 in) long. The decimetre ( SI symbol: dm ) is a unit of length in the metric system equal to 10 −1 metres ( ⁠ 1 / 10 ⁠ m = 0.1 m ). To help compare different orders of magnitude , this section lists lengths between 10 centimeters and 100 centimeters (10 −1 meter and 1 meter).

  3. Human - Wikipedia

    en.wikipedia.org/wiki/Human

    It is estimated that the worldwide average height for an adult human male is about 171 cm (5 ft 7 in), while the worldwide average height for adult human females is about 159 cm (5 ft 3 in). [158] Shrinkage of stature may begin in middle age in some individuals but tends to be typical in the extremely aged. [159]

  4. International System of Units - Wikipedia

    en.wikipedia.org/wiki/International_System_of_Units

    For example, driving distances are normally given in kilometres (symbol km) rather than in metres. Here the metric prefix 'kilo-' (symbol 'k') stands for a factor of 1000; thus, 1 km = 1000 m. The SI provides twenty-four metric prefixes that signify decimal powers ranging from 10 −30 to 10 30, the most recent being adopted in 2022.

  5. History of the metric system - Wikipedia

    en.wikipedia.org/wiki/History_of_the_metric_system

    Units in everyday use by country as of 2019 The history of the metric system began during the Age of Enlightenment with measures of length and weight derived from nature, along with their decimal multiples and fractions. The system became the standard of France and Europe within half a century. Other measures with unity ratios [Note 1] were added, and the system went on to be adopted across ...

  6. Energy efficiency in transport - Wikipedia

    en.wikipedia.org/wiki/Energy_efficiency_in_transport

    A motorised bicycle allows human power and the assistance of a 49 cm 3 (3.0 cu in) engine, giving a range of 160 to 200 mpg ‑US (1.5–1.2 L/100 km; 190–240 mpg ‑imp). [ citation needed ] Electric pedal-assisted bikes run on as little as 1.0 kWh (3.6 MJ) per 100 km, [ 55 ] while maintaining speeds in excess of 30 km/h (19 mph).

  7. Deep biosphere - Wikipedia

    en.wikipedia.org/wiki/Deep_biosphere

    Environments in which subsurface life has been found [1]. The deep biosphere is the part of the biosphere that resides below the first few meters of the ocean's surface. It extends 10 kilometers below the continental surface and 21 kilometers below the sea surface, at temperatures that may reach beyond 120 °C (248 °F) [2] which is comparable to the maximum temperature where a metabolically ...

  8. Italian units of measurement - Wikipedia

    en.wikipedia.org/wiki/Italian_units_of_measurement

    1 palmo mercantile † = 24.908 cm [16] 1 palmo architettonica # = 22.319 cm [16] 1 palmo d'ara = 12.500 cm [16] 1 once # = 10 decimi [19] 1 pie # (foot) = 16 once = 11.72 in [19] 1 pié = 11.592 in [19] 1 braccia da mercante † = 67 cm [8] 1 braccia par le tele ‡ = 63.5 cm [8] 1 braccia d'ara = 75 cm [8] 1 canna = 78.4 in [19] 1 canna ...

  9. Human evolution - Wikipedia

    en.wikipedia.org/wiki/Human_evolution

    A new comparison of the human and chimpanzee genomes suggests that after the two lineages separated, they may have begun interbreeding... A principal finding is that the X chromosomes of humans and chimpanzees appear to have diverged about 1.2 million years more recently than the other chromosomes. The research suggests: