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  2. Golf cart - Wikipedia

    en.wikipedia.org/wiki/Golf_cart

    By the mid-1950s the golf cart had gained wide acceptance with US golfers. [5] Italian State Police golf carts at Venice Railway Station. Merle Williams of Long Beach, California, was an early innovator of the electric golf cart. [citation needed] He started with knowledge gained from the production of electric cars due to World War II gasoline ...

  3. USB hub - Wikipedia

    en.wikipedia.org/wiki/USB_hub

    Power equals voltage times current. A USB port that draws 500 mA (0.5 A) at 5 volts is drawing 2.5 watts of power. In Bus-powered USB hubs, each USB port can supply power as well as transfer data. A self-powered hub takes its power from an external power supply unit and can therefore provide full power (up to 500 mA) to every port. Self-powered ...

  4. USB hardware - Wikipedia

    en.wikipedia.org/wiki/USB_hardware

    A number of extensions to the USB Specifications have progressively further increased the maximum allowable V_BUS voltage: starting with 6.0 V with USB BC 1.2, [42] to 21.5 V with USB PD 2.0 [43] and 50.9 V with USB PD 3.1, [43] while still maintaining backwards compatibility with USB 2.0 by requiring various forms of handshake before ...

  5. USB - Wikipedia

    en.wikipedia.org/wiki/USB

    USB 3.0 and USB On-The-Go supply 1.8 A/9.0 W (for dedicated battery charging, 1.5 A/7.5 W full bandwidth or 900 mA/4.5 W high bandwidth), while FireWire can in theory supply up to 60 watts of power, although 10 to 20 watts is more typical.

  6. Supreme Court Chief Justice Roberts issues warning on ... - AOL

    www.aol.com/supreme-court-chief-justice-roberts...

    The Supreme Court is seen in Washington, D.C., on Feb. 5, 2024. The high court's conservative majority also ruled last year that Biden's massive student loan debt forgiveness efforts constitute an ...

  7. USB killer - Wikipedia

    en.wikipedia.org/wiki/USB_Killer

    Versions of the device have been reported to deliver a pulse of around negative [4] 200 V. [2] [5] This greatly exceeds the normal voltage the USB host adapter is designed to accept; the intention is that the device will destroy it (and perhaps the southbridge which it often forms part of). In many cases, this will render the computer inoperable.