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Strandpulling is the general term for the practice of stretching steel springs, rubber cables or latex tubing, as a form of exercise and as a competitive sport, using a "chest expander", with many specific movements designed to target different muscles and provide progressive resistance usually, but not always, to the upper body. [1]
A calendar date is a reference to a particular day, represented within a calendar system, enabling a specific day to be unambiguously identified. Simple math can be performed between dates; commonly, the number of days between two dates may be calculated, e.g., "25 February 2025" is ten days after "15 February 2025".
The Guinness Book of World Records listed him as "Fastest Human Calculator" [4] in 2001 and 2003, [6] after he broke the record for adding the same number to itself more times in 15 seconds than someone could do with a calculator. [7] In 1999 he invented a 13-month calendar using zero as a day, month, and year, which he called "The Human ...
c. 1770–1780: The lorgnette (a pair of spectacles with a handle, used to hold them in place) invented by George Adams the elder (c. 1709–1773) and subsequently illustrated in a work by his son George Adams the younger, An Essay on Vision, briefly explaining the fabric of the eye (1789).
Stretching is a form of physical exercise in which a specific muscle or tendon (or muscle group) is deliberately expanded and flexed in order to improve the muscle's ...
Super Bowl Squares are the second most popular office sports betting tradition in the United States (No. 1: March Madness brackets), maybe because the outcome is based entirely on luck. Here's how ...
A 2021 study found that one extra year of life expectancy due to slowed aging equates to $38 trillion in economic gain. The goal of the competition is to extend health span, the number of years ...
The Arithmometer, invented in 1820 as a four-operation mechanical calculator, was released to production in 1851 as an adding machine and became the first commercially successful unit; forty years later, by 1890, about 2,500 arithmometers had been sold [16] plus a few hundreds more from two arithmometer clone makers (Burkhardt, Germany, 1878 ...