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  2. Biblical and Talmudic units of measurement - Wikipedia

    en.wikipedia.org/wiki/Biblical_and_Talmudic...

    For dry measurement, or what is simply a measure of capacity rather than of weight, [25] the smallest unit of which is the beitza (egg), followed by the log (לג), [26] followed by the kab (קב), [27] followed by the se'ah (סאה), [28] followed by the ephah (איפה), followed by the lethek (לתך), and finally by the kor (כור).

  3. Wikipedia:Reference desk/Archives/Science/December 2005 ...

    en.wikipedia.org/wiki/Wikipedia:Reference_desk/...

    How can one convert a .m4a file format (songs from iTunes) to *.wma file format (so i can play them in windows media player...)? There's a winamp plugin that lets it play m4a. So you can use winamp to play them, or you can use winamp to decode it to a wav (and then you can use any of a dozen programs to reencode it as an mp3) Raul654 10:58, 1 ...

  4. Algorithm - Wikipedia

    en.wikipedia.org/wiki/Algorithm

    Flowchart of using successive subtractions to find the greatest common divisor of number r and s. In mathematics and computer science, an algorithm (/ ˈ æ l ɡ ə r ɪ ð əm / ⓘ) is a finite sequence of mathematically rigorous instructions, typically used to solve a class of specific problems or to perform a computation. [1]

  5. Economy of China - Wikipedia

    en.wikipedia.org/wiki/Economy_of_China

    The economy of the People's Republic of China is a developing mixed socialist market economy, incorporating industrial policies and strategic five-year plans. [29] China is the world's second largest economy by nominal GDP and since 2017 has been the world's largest economy when measured by purchasing power parity (PPP).

  6. Graphene - Wikipedia

    en.wikipedia.org/wiki/Graphene

    The most famous, clean and rather straight-forward method of isolating graphene sheets, called micro-mechanical cleavage or more colloquially called the scotch tape method, was introduced by Novoselov et al. in 2004, which uses adhesive tape to mechanically cleave high-quality graphite crystals into successively thinner platelets. Other methods ...

  7. Robotics - Wikipedia

    en.wikipedia.org/wiki/Robotics

    Lidar measures the distance to a target by illuminating the target with laser light and measuring the reflected light with a sensor. Radar uses radio waves to determine the range, angle, or velocity of objects. Sonar uses sound propagation to navigate, communicate with or detect objects on or under the surface of the water.

  8. High-frequency Active Auroral Research Program - Wikipedia

    en.wikipedia.org/wiki/High-frequency_Active...

    An induction magnetometer, provided by the University of Tokyo, that measures the changing geomagnetic field in the Ultra Low Frequency (ULF) range of 0–5 Hz. The facility is powered by a set of five 2500 kilowatt generators being driven by EMD 20-645-E4 diesel locomotive engines .

  9. ENIAC - Wikipedia

    en.wikipedia.org/wiki/ENIAC

    ENIAC was designed by John Mauchly and J. Presper Eckert to calculate artillery firing tables for the United States Army's Ballistic Research Laboratory (which later became a part of the Army Research Laboratory). [7] [8] However, its first program was a study of the feasibility of the thermonuclear weapon. [9] [10]