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  2. 33 top-rated Mother's Day gifts on Amazon for every type of mom

    www.aol.com/news/33-top-rated-mothers-day...

    The Raycon Everyday earbuds have a 4.3-star average rating with over 29,000 reviews on Amazon. They connect via bluetooth to devices, including smartphones and tablets, according to the brand.

  3. 73 best discounts for ages 50+: Where to save money for ... - AOL

    www.aol.com/finance/best-senior-discounts...

    Hertz — 20% off base rate. Sixt — 5% discount. Thrifty — 5% discount on time and mileage charges. Ages 55 and older. Advantage — 10% off base rate. Miscellaneous travel discounts.

  4. Inflation is up 20% since Biden took office - AOL

    www.aol.com/finance/inflation-20-since-biden...

    Original article source: Inflation is up 20% since Biden took office. Show comments. Advertisement. Advertisement. In Other News. Entertainment. Entertainment. USA TODAY.

  5. Hydroelectricity - Wikipedia

    en.wikipedia.org/wiki/Hydroelectricity

    Hydroelectricity. The Three Gorges Dam in Central China is the world's largest power-producing facility of any kind. Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4,500 TWh in 2020, which is more than all other renewable sources ...

  6. List of small modular reactor designs - Wikipedia

    en.wikipedia.org/wiki/List_of_small_modular...

    PWR-20: United States. Last Energy is a full-service developer of small modular nuclear power projects with a goal of transforming the nuclear power industry by dramatically reducing the time and cost of construction. The company’s first product, the PWR-20 is a fully-modular SMR with all modules fitting inside of a standard shipping container.

  7. Side project time - Wikipedia

    en.wikipedia.org/wiki/Side_project_time

    The 20% Project is responsible for the development of many Google services. Founders Sergey Brin and Larry Page advised that workers "spend 20% of their time working on what they think will most benefit Google". Google's email service 'Gmail' was created by the developer Paul Buchheit on his 20% time. In his project "Caribou", Buchheit used his ...

  8. Power inverter - Wikipedia

    en.wikipedia.org/wiki/Power_inverter

    A power inverter, inverter, or invertor is a power electronic device or circuitry that changes direct current (DC) to alternating current (AC). [1] The resulting AC frequency obtained depends on the particular device employed. Inverters do the opposite of rectifiers which were originally large electromechanical devices converting AC to DC.

  9. Droop speed control - Wikipedia

    en.wikipedia.org/wiki/Droop_speed_control

    Droop speed control is a control mode used for AC electrical power generators, whereby the power output of a generator reduces as the line frequency increases. It is commonly used as the speed control mode of the governor of a prime mover driving a synchronous generator connected to an electrical grid. It works by controlling the rate of power ...

  10. Wind power in the United Kingdom - Wikipedia

    en.wikipedia.org/wiki/Wind_power_in_the_United...

    In 2022 three-quarters of the UK population supported further wind generated power in the UK and the majority would be happy for a wind farm to be built near them. [33] In 2022, wind generation in the UK exceeded 20 GW for the first time, reaching 20.9 GW between 1200h and 1230h on 2 November 2022. [34]

  11. Power plant efficiency - Wikipedia

    en.wikipedia.org/wiki/Power_plant_efficiency

    To express the efficiency of a generator or power plant as a percentage, invert the value if dimensionless notation or same unit are used. For example: A heat rate value of 5 gives an efficiency factor of 20%. A heat rate value of 2 kWh/kWh gives an efficiency factor of 50%. A heat rate value of 4 MJ/MJ gives an efficiency factor of 25%.