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  2. Living systems - Wikipedia

    en.wikipedia.org/wiki/Living_systems

    Miller considers living systems as a type of system. Below the level of living systems, he defines space and time, matter and energy, information and entropy, levels of organization, and physical and conceptual factors, and above living systems ecological, planetary and solar systems, galaxies, etc. [3] [4] [5] Miller's central thesis is that ...

  3. Sustainability - Wikipedia

    en.wikipedia.org/wiki/Sustainability

    The diagram with three nested ellipses indicates a hierarchy between the three dimensions of sustainability: both economy and society are constrained by environmental limits [42] The wedding cake model for the sustainable development goals is similar to the nested ellipses diagram, where the environmental dimension or system is the basis for ...

  4. MIM-104 Patriot - Wikipedia

    en.wikipedia.org/wiki/MIM-104_Patriot

    160 km (max) The MIM-104 Patriot is a surface-to-air missile (SAM) system, the primary such system used by the United States Army and several allied states. It is manufactured by the U.S. defense contractor Raytheon and derives its name from the radar component of the weapon system. The AN/MPQ-53 at the heart of the system is known as the ...

  5. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    1400 (3.878 × 10 19 kg) 1.39: 0.000 125: 2012: DOE Hydrogen [8] Prices of hydrogen produced by distributed steam methane reforming, as predicted by H2A Production Model from United States Department of Energy, [9] assuming price of natural gas of US$3/MMBtu (US$10/MWh; US$0.10/m 3). Does not include cost of storage and distribution. 1: 2 H (D ...

  6. Cost of electricity by source - Wikipedia

    en.wikipedia.org/wiki/Cost_of_electricity_by_source

    Cost of electricity by source. Different methods of electricity generation can incur a variety of different costs, which can be divided into three general categories: 1) wholesale costs, or all costs paid by utilities associated with acquiring and distributing electricity to consumers, 2) retail costs paid by consumers, and 3) external costs ...

  7. The Stormlight Archive - Wikipedia

    en.wikipedia.org/wiki/The_Stormlight_Archive

    The Stormlight Archive is a high fantasy novel series written by American author Brandon Sanderson, planned to consist of ten novels.As of 2023, the series comprises four published novels and two novellas, set within his broader Cosmere universe.

  8. Photosynthesis - Wikipedia

    en.wikipedia.org/wiki/Photosynthesis

    Photosynthesis ( / ˌfoʊtəˈsɪnθəsɪs / FOH-tə-SINTH-ə-sis) [ 1] is a system of biological processes by which photosynthetic organisms, such as most plants, algae, and cyanobacteria, convert light energy, typically from sunlight, into the chemical energy necessary to fuel their metabolism.

  9. Brain–computer interface - Wikipedia

    en.wikipedia.org/wiki/Brain–computer_interface

    P300 offers a discrete selection rather than continuous control. The advantage of P300 within games is that the player does not have to learn how to use a new control system, requiring only short training instances to learn gameplay mechanics and the basic BCI paradigm. [149]