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  2. Noise-cancelling headphones - Wikipedia

    en.wikipedia.org/wiki/Noise-cancelling_headphones

    Without power, some models do not function as regular headphones. Any battery and additional electronics may increase the size and weight of the headphones compared to regular headphones. The noise-cancelling circuitry may reduce audio quality and add high-frequency hiss, although reducing the noise may result in higher perceived audio quality.

  3. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    Noise control is an active or passive means of reducing sound emissions, often for personal comfort, environmental considerations, or legal compliance. Active noise control is sound reduction using a power source. Passive noise control is sound reduction by noise-isolating materials such as insulation, sound-absorbing tiles, or a muffler rather ...

  4. ‘I’ve had 16 free batteries’: This Florida woman used ...

    www.aol.com/finance/ve-had-16-free-batteries...

    She told Growing Bolder that she would either remain present during tune-ups or, if she had to leave, refer the mechanics to a diagram of the car’s inner workings, which showed all the parts ...

  5. Battery storage power station - Wikipedia

    en.wikipedia.org/wiki/Battery_storage_power_station

    A battery storage power station, or battery energy storage system ( BESS ), is a type of energy storage power station that uses a group of batteries to store electrical energy. Battery storage is the fastest responding dispatchable source of power on electric grids, and it is used to stabilise those grids, as battery storage can transition from ...

  6. Take 20% Off Raycon Earbuds, Headphones and Speakers ... - AOL

    www.aol.com/entertainment/20-off-raycon-earbuds...

    These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...

  7. Wireless power transfer - Wikipedia

    en.wikipedia.org/wiki/Wireless_power_transfer

    When the phone is set on the pad, a coil in the pad creates a magnetic field [1] which induces a current in another coil, in the phone, charging its battery. Wireless power transfer ( WPT ), wireless power transmission, wireless energy transmission ( WET ), or electromagnetic power transfer is the transmission of electrical energy without wires ...

  8. Drain-induced barrier lowering - Wikipedia

    en.wikipedia.org/wiki/Drain-induced_barrier_lowering

    Drain-induced barrier lowering. Drain-induced barrier lowering ( DIBL) is a short-channel effect in MOSFETs referring originally to a reduction of threshold voltage of the transistor at higher drain voltages. In a classic planar field-effect transistor with a long channel, the bottleneck in channel formation occurs far enough from the drain ...

  9. More than 250K still without power in Ohio days after storm ...

    www.aol.com/more-250k-still-without-power...

    Updated August 8, 2024 at 5:28 PM. More than 250,000 homes and business remained without power in Ohio, days after severe storms and at least two tornados hit the northeastern portion of the state ...