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  2. Doubling time - Wikipedia

    en.wikipedia.org/wiki/Doubling_time

    The doubling time is the time it takes for a population to double in size/value. It is applied to population growth, inflation, resource extraction, consumption of goods, compound interest, the volume of malignant tumours, and many other things that tend to grow over time. When the relative growth rate (not the absolute growth rate) is constant ...

  3. Rule of 72 - Wikipedia

    en.wikipedia.org/wiki/Rule_of_72

    In finance, the rule of 72, the rule of 70 [1] and the rule of 69.3 are methods for estimating an investment 's doubling time. The rule number (e.g., 72) is divided by the interest percentage per period (usually years) to obtain the approximate number of periods required for doubling. Although scientific calculators and spreadsheet programs ...

  4. Straightedge and compass construction - Wikipedia

    en.wikipedia.org/wiki/Straightedge_and_compass...

    t. e. In geometry, straightedge-and-compass construction – also known as ruler-and-compass construction, Euclidean construction, or classical construction – is the construction of lengths, angles, and other geometric figures using only an idealized ruler and a pair of compasses . The idealized ruler, known as a straightedge, is assumed to ...

  5. Moore's law - Wikipedia

    en.wikipedia.org/wiki/Moore's_law

    Moore's law. Moore's law is the observation that the number of transistors in an integrated circuit (IC) doubles about every two years. Moore's law is an observation and projection of a historical trend. Rather than a law of physics, it is an empirical relationship linked to gains from experience in production.

  6. Population dynamics - Wikipedia

    en.wikipedia.org/wiki/Population_dynamics

    The doubling time (t d) of a population is the time required for the population to grow to twice its size. We can calculate the doubling time of a geometric population using the equation: N t = λ t N 0 by exploiting our knowledge of the fact that the population ( N ) is twice its size ( 2 N ) after the doubling time.

  7. Interlaced video - Wikipedia

    en.wikipedia.org/wiki/Interlaced_video

    Interlaced video. Illustration of an interlaced scan pattern. Animation of an interlaced TV display, showing odd and even fields being scanned in sequence, to display a full frame. Interlaced video (also known as interlaced scan) is a technique for doubling the perceived frame rate of a video display without consuming extra bandwidth.

  8. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    Engineering drawing abbreviations and symbols are used to communicate and detail the characteristics of an engineering drawing.This list includes abbreviations common to the vocabulary of people who work with engineering drawings in the manufacture and inspection of parts and assemblies.

  9. Gesture drawing - Wikipedia

    en.wikipedia.org/wiki/Gesture_drawing

    Gesture drawing. A gesture drawing is a laying in of the action, form, and pose of a model/figure. Typical situations involve an artist drawing a series of poses taken by a model in a short amount of time, often as little as 10 seconds, or as long as 5 minutes. Gesture drawing is often performed as a warm-up for a life drawing session, but is a ...