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One half is the rational number that lies midway between 0 and 1 on the number line. Multiplication by one half is equivalent to division by two, or "halving"; conversely, division by one half is equivalent to multiplication by two, or "doubling".
Eratosthenes also calculated the Sun's diameter. According to Macrobius, Eratosthenes made the diameter of the Sun to be about 27 times that of the Earth. [19] The actual figure is approximately 109 times. [28] During his time at the Library of Alexandria, Eratosthenes devised a calendar using his predictions about the ecliptic of the Earth. He ...
The diameter of the big end in inches is always the taper size divided by 8, the small end is always the taper size divided by 10 and the length is the taper size divided by 2. For example, a Jarno No. 7 measures 0.875" (7/8) across the big end.
The number π (/ p aɪ / ⓘ; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter.It appears in many formulae across mathematics and physics, and some of these formulae are commonly used for defining π, to avoid relying on the definition of the length of a curve.
The UN Department of Economics and Social Affairs projects between 9 and 10 billion people by 2050 and gives an 80% confidence interval of 10–12 billion by the end of the 21st century, [1] with a growth rate by then of zero. Other demographers predict that the human population will begin to decline in the second half of the 21st century. [6]
For example, ghasard, a product commonly given to infants for digestive issues, has been found to have up to 1.6% lead concentration by weight, leading to lead encephalopathy. [125] A 1990 study on ayurvedic medicines in India found that 41% of the products tested contained arsenic, and that 64% contained lead and mercury. [ 9 ]
Connecticut (/ k ə ˈ n ɛ t ɪ k ə t / ⓘ kə-NET-ih-kət) [10] is a state in the New England region of the Northeastern United States.It borders Rhode Island to the east, Massachusetts to the north, New York to the west, and Long Island Sound to the south.
The PLATO system was launched in 1960 at the University of Illinois and subsequently commercially marketed by Control Data Corporation.It offered early forms of social media features with innovations such as Notes, PLATO's message-forum application; TERM-talk, its instant-messaging feature; Talkomatic, perhaps the first online chat room; News Report, a crowdsourced online newspaper, and blog ...