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To help compare different orders of magnitude, this section lists lengths between 10 −3 m and 10 −2 m (1 mm and 1 cm). 1.0 mm – 1/1,000 of a meter 1.0 mm – 0.03937 inches or 5/127 (exactly)
A 50 m × 25 m (164 ft × 82 ft) Olympic swimming pool, built to the FR3 minimum depth of 2 metres (6.6 ft) would hold 2,500 m 3 (660,000 US gal). The US National Institute of Standards and Technology (NIST) defines the Olympic swimming pool as 1 million litres, which is the approximate volume of the smaller FR2 pool.
Below are two tables which report the average adult human height ... in the heights of 100 children from getting out of bed in the morning to between 4 and 5 p.m ...
Sam McDonald (1762 – 6 May 1802), called "Big Sam", was a Scotsman of unusual height for his day who had a distinguished military career and was a noted "strongman". Most sources state his height as 6 feet 10 inches (2.08 m), [ 209 ] with a burly build, although one 1822 source claims 10 feet 4 inches (3.15 m).
One barn is equal to 1.0 × 10 −28 m 2. The name derives from the folk expressions "As big as a barn," and "Couldn't hit the broad side of a barn", used by particle accelerator physicists to refer to the probability of achieving a collision between particles. For nuclear purposes, 1.0 × 10 −28 m 2 is actually rather large. [25]
Webb has a 6.5-meter-diameter (21-foot) gold-coated beryllium primary mirror made up of 18 separate hexagonal mirrors. The mirror has a polished area of 26.3 m 2 (283 sq ft), of which 0.9 m 2 (9.7 sq ft) is obscured by the secondary support struts, [16] giving a total collecting area of 25.4 m 2 (273 sq ft).
[89] In the United States, the nautical mile was defined in the 19th century as 6,080.2 feet (1,853.24 m), whereas in the United Kingdom, the Admiralty nautical mile was defined as 6,080 feet (1,853.18 m) and was about one minute of latitude in the latitudes of the south of the UK. Other nations had different definitions of the nautical mile.
Size comparison of M. longicollum. Miragaia was long yet relatively lightweight in comparison to other stegosaurs, reaching 6–6.5 metres (20–21 ft) in length and 2 metric tons (2.2 short tons) in body mass. [7] [8] Histology shows that the holotype specimen reached skeletally maturity, after the age of at least 21 to 22 years old or 25 ...