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Comparison of sizes of semiconductor manufacturing process nodes with some microscopic objects and visible light wavelengths. At this scale, the width of a human hair is about 10 times that of the image. [79] To help compare different orders of magnitude, this section lists lengths between 10 −7 and 10 −6 m (100 nm and 1 μm).
Robert Wadlow, the tallest verified human, with his 5 ft 11 + 1 ⁄ 2 in (182 cm) father This is a list of the tallest people , verified by Guinness World Records or other reliable sources. According to Guinness World Records, Robert Wadlow of the United States (1918–1940) was the tallest person in recorded history , measuring 272 cm (8 ft 11 ...
Biology – Blood cells in the human body: The average human body is estimated to have (2.5 ± .5) × 10 13 red blood cells. [40] [41] Mathematics – Known digits of π: As of March 2019, the number of known digits of π is 31,415,926,535,897 (the integer part of π × 10 13). [42] Biology – approximately 10 14 synapses in the human brain. [43]
The human brain contains 86 billion neurons, with 16 billion neurons in the cerebral cortex. [ 2 ] [ 1 ] Neuron counts constitute an important source of insight on the topic of neuroscience and intelligence : the question of how the evolution of a set of components and parameters (~10 11 neurons, ~10 14 synapses) of a complex system leads to ...
tech: maximum allowed carrier power output of a 10-meter CB radio 7 tech: the power consumption of a typical Light-emitting diode (LED) light bulb 8 tech: human-powered equipment using a hand crank. [14] 10 1: deca-(daW) 1.4 × 10 1: tech: the power consumption of a typical household compact fluorescent light bulb: 2–4 × 10 1
Egyptian units of length are attested from the Early Dynastic Period.Although it dates to the 5th dynasty, the Palermo stone recorded the level of the Nile River during the reign of the Early Dynastic pharaoh Djer, when the height of the Nile was recorded as 6 cubits and 1 palm [1] (about 3.217 m or 10 ft 6.7 in).
This is a list of units of measurement based on human body parts or the attributes and abilities of humans (anthropometric units). It does not include derived units further unless they are also themselves human-based. These units are thus considered to be human scale and anthropocentric.
20×10 15: roughly the hardware-equivalent of the human brain according to Ray Kurzweil. Published in his 1999 book: The Age of Spiritual Machines: When Computers Exceed Human Intelligence [11] 33.86×10 15: Tianhe-2's LINPACK performance, June 2013 [10] 36.8×10 15: 2001 estimate of computational power required to simulate a human brain in ...