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  2. Switched-mode power supply - Wikipedia

    en.wikipedia.org/wiki/Switched-mode_power_supply

    A switched-mode power supply ( SMPS ), also called switching-mode power supply, switch-mode power supply, switched power supply, or simply switcher, is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a DC or AC source (often mains ...

  3. Savings interest rates today: Catch the weekend's sunniest ...

    www.aol.com/finance/savings-interest-rates-today...

    Today’s highest savings rates are at FDIC-insured digital banks and online accounts offering up to 5.50% APY with a minimum $1,000 deposit at Poppy Bank and up to 5.30% APY with no minimums at ...

  4. Gene - Wikipedia

    en.wikipedia.org/wiki/Gene

    The molecular gene is a sequence of nucleotides in DNA that is transcribed to produce a functional RNA. There are two types of molecular genes: protein-coding genes and non-coding genes. [ 1][ 2][ 3] During gene expression (the synthesis of RNA or protein from a gene), DNA is first copied into RNA.

  5. Coupon collector's problem - Wikipedia

    en.wikipedia.org/wiki/Coupon_collector's_problem

    In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following question: if each box of a given product (e.g., breakfast cereals) contains a coupon, and there are n different types of coupons, what is the probability that more than t boxes need to be bought ...

  6. Amazon (company) - Wikipedia

    en.wikipedia.org/wiki/Amazon_(company)

    In 2000, US toy retailer Toys "R" Us entered into a 10-year agreement with Amazon, valued at $50 million per year plus a cut of sales, under which Toys "R" Us would be the exclusive supplier of toys and baby products on the service, and the chain's website would redirect to Amazon's Toys & Games category. In 2004, Toys "R" Us sued Amazon ...

  7. 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.

  8. Kenneth C. Griffin - Wikipedia

    en.wikipedia.org/wiki/Kenneth_C._Griffin

    Kenneth Cordele Griffin (born October 15, 1968) is an American hedge fund manager, entrepreneur and investor. He is the founder, chief executive officer, co- chief investment officer, and 80% owner of Citadel LLC, [ 1][ 2] a multinational hedge fund. He also owns Citadel Securities, one of the largest market makers in the United States.

  9. Duty cycle - Wikipedia

    en.wikipedia.org/wiki/Duty_cycle

    For example, a signal (10101010) has 50% duty cycle, because the pulse remains high for 1/2 of the period or low for 1/2 of the period. Similarly, for pulse (10001000) the duty cycle will be 25% because the pulse remains high only for 1/4 of the period and remains low for 3/4 of the period. Electrical motors typically use less than a 100% duty ...

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