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  2. Left- and right-hand traffic - Wikipedia

    en.wikipedia.org/wiki/Left-_and_right-hand_traffic

    The terms right- and left-hand drive refer to the position of the driver and the steering wheel in the vehicle and are, in automobiles, the reverse of the terms right- and left-hand traffic. The rule also includes where on the road a vehicle is to be driven, if there is room for more than one vehicle in the one direction, and the side on which ...

  3. Head-related transfer function - Wikipedia

    en.wikipedia.org/wiki/Head-related_transfer_function

    Head-related transfer function. A head-related transfer function ( HRTF) is a response that characterizes how an ear receives a sound from a point in space. As sound strikes the listener, the size and shape of the head, ears, ear canal, density of the head, size and shape of nasal and oral cavities, all transform the sound and affect how it is ...

  4. AirPods - Wikipedia

    en.wikipedia.org/wiki/AirPods

    Website. apple .com /airpods. AirPods are wireless Bluetooth earbuds designed by Apple. They were first announced on September 7, 2016, alongside the iPhone 7. Within two years, they became Apple's most popular accessory. [ 4][ 5] AirPods are Apple's entry-level wireless headphones, sold alongside the AirPods Pro and AirPods Max .

  5. This car door completely disappears - Autoblog

    www.autoblog.com/.../10/13/the-disappearing-car-door

    This prototype rotary drop door system was created by former California design and tech company Jatech. The system places the driver and passenger side doors completely underneath the vehicle.

  6. FBI mnemonics - Wikipedia

    en.wikipedia.org/wiki/FBI_mnemonics

    FBI mnemonics. The various FBI mnemonics (for electric motors) show the direction of the force on a conductor carrying a current in a magnetic field as predicted by Fleming's left hand rule for motors [ 1] and Faraday's law of induction . Other mnemonics exist that use a right hand rule for predicting resulting motion from a preexisting current ...

  7. Right-hand rule - Wikipedia

    en.wikipedia.org/wiki/Right-hand_rule

    Right-hand rule. In mathematics and physics, the right-hand rule is a convention and a mnemonic, utilized to define the orientation of axes in three-dimensional space and to determine the direction of the cross product of two vectors, as well as to establish the direction of the force on a current-carrying conductor in a magnetic field.

  8. Noise-cancelling headphones - Wikipedia

    en.wikipedia.org/wiki/Noise-cancelling_headphones

    Noise -cancelling headphones alongside a carry case. Noise-cancelling headphones are headphones which suppress unwanted ambient sounds using active noise control. This is distinct from passive headphones which, if they reduce ambient sounds at all, use techniques such as soundproofing . Noise cancellation makes it possible to listen to audio ...

  9. Bluetooth - Wikipedia

    en.wikipedia.org/wiki/Bluetooth

    Website. www .bluetooth .com. A Bluetooth earbud, an earphone and microphone that communicates with a cellphone using the Bluetooth protocol. Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs).