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  2. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    1: H: Hydrogen: 0.00008988: 1400 (3.878 × 10 19 kg) 1.39: 0.000 125: 2012: DOE Hydrogen: Prices of hydrogen produced by distributed steam methane reforming, as predicted by H2A Production Model from United States Department of Energy, assuming price of natural gas of US$3/MMBtu (US$10/MWh; US$0.10/m 3). Does not include cost of storage and ...

  3. Graphing calculator - Wikipedia

    en.wikipedia.org/wiki/Graphing_calculator

    Graphing calculator. A graphing calculator (also graphics calculator or graphic display calculator) is a handheld computer that is capable of plotting graphs, solving simultaneous equations, and performing other tasks with variables. Most popular graphing calculators are programmable calculators, allowing the user to create customized programs ...

  4. Ray tracing (graphics) - Wikipedia

    en.wikipedia.org/wiki/Ray_tracing_(graphics)

    2008) In 3D computer graphics, ray tracing is a technique for modeling light transport for use in a wide variety of rendering algorithms for generating digital images . On a spectrum of computational cost and visual fidelity, ray tracing-based rendering techniques, such as ray casting, recursive ray tracing, distribution ray tracing, photon ...

  5. Geiger counter - Wikipedia

    en.wikipedia.org/wiki/Geiger_counter

    A Geiger counter ( / ˈɡaɪɡər /, GY-gər; [1] also known as a Geiger–Müller counter or G-M counter) is an electronic instrument used for detecting and measuring ionizing radiation. It is widely used in applications such as radiation dosimetry, radiological protection, experimental physics and the nuclear industry .

  6. Industrial radiography - Wikipedia

    en.wikipedia.org/wiki/Industrial_radiography

    Industrial radiography is a modality of non-destructive testing that uses ionizing radiation to inspect materials and components with the objective of locating and quantifying defects and degradation in material properties that would lead to the failure of engineering structures. It plays an important role in the science and technology needed ...

  7. Heat wave shifts to New York and the I-95 corridor as search ...

    www.aol.com/heat-wave-shifts-york-95-040651398.html

    A dangerous heat wave scorching parts of the Midwest and Northeast will ratchet up in New York and the I-95 corridor, while deadly wildfires that claimed at least two lives and destroyed over a ...

  8. List of countries by average annual labor hours - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    The following list is the average annual hours worked by participants in the labor force of the OECD member states. [2] As of 2022, Colombia, Mexico, and Costa Rica ranked the highest number of hours worked per year. Greece ranked the highest In EU with 1886 average hours per year, while Germany ranked the lowest with 1340 average hours worked ...

  9. Casio graphic calculators - Wikipedia

    en.wikipedia.org/wiki/Casio_graphic_calculators

    Power supply. four AAA alkaline batteries. Weight. 213 grams. Graphic calculators made by Casio include the touchscreen ClassPad 300 as well as the models with traditional buttons which can be divided into two main generations listed below. Casio produced the world's first graphing calculator, the fx-7000G .