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  2. BBC Bitesize - Wikipedia

    en.wikipedia.org/wiki/BBC_Bitesize

    GCSE Bitesize was launched in January 1998, covering seven subjects. For each subject, a one- or two-hour long TV programme would be broadcast overnight in the BBC Learning Zone block, and supporting material was available in books and on the BBC website. At the time, only around 9% of UK households had access to the internet at home.

  3. BBC Learning Zone - Wikipedia

    en.wikipedia.org/wiki/BBC_Learning_Zone

    The BBC Learning Zone (previously The Learning Zone) was an educational strand run by the BBC as an overnight service on BBC Two. It broadcast programming aimed at students in Primary, Secondary and Higher Education as well as to adult learners.

  4. Energy transition - Wikipedia

    en.wikipedia.org/wiki/Energy_transition

    An energy transition is a broad shift in technologies and behaviours that are needed to replace one source of energy with another. [14]: 202–203 A prime example is the change from a pre-industrial system relying on traditional biomass, wind, water and muscle power to an industrial system characterized by pervasive mechanization, steam power and the use of coal.

  5. Energy - Wikipedia

    en.wikipedia.org/wiki/Energy

    This creates a limit to the amount of heat energy that can do work in a cyclic process, a limit called the available energy. Mechanical and other forms of energy can be transformed in the other direction into thermal energy without such limitations. [14] The total energy of a system can be calculated by adding up all forms of energy in the system.

  6. Convection - Wikipedia

    en.wikipedia.org/wiki/Convection

    At the heat source of a system of natural circulation, the heated fluid becomes lighter than the fluid surrounding it, and thus rises. At the heat sink, the nearby fluid becomes denser as it cools, and is drawn downward by gravity. Together, these effects create a flow of fluid from the heat source to the heat sink and back again.

  7. The Hardest Working Royal of 2024 Is... - AOL

    www.aol.com/hardest-working-royal-2024-160000744...

    Yui Mok - WPA Pool/Getty Images. Princess Anne secured the top spot, yet again, with 217 royal engagements and a 2.4% increase from 2023, according to the report.November was her busiest month ...

  8. Extra Cheesy White Lasagna Is the Ultimate Family Meal - AOL

    www.aol.com/extra-cheesy-white-lasagna-ultimate...

    Reduce the heat to medium low and cook, stirring, for 2 minutes more. Slowly add the milk and cream, whisking until smooth, and cook until thickened, 3 to 4 minutes. Remove from the heat.

  9. Exothermic process - Wikipedia

    en.wikipedia.org/wiki/Exothermic_process

    Exothermic refers to a transformation in which a closed system releases energy (heat) to the surroundings, expressed by Q > 0. {\displaystyle Q>0.} When the transformation occurs at constant pressure and without exchange of electrical energy , heat Q is equal to the enthalpy change, i.e.