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2. AC adapter - Wikipedia

   en.wikipedia.org/wiki/AC_adapter

   An AC adapter or AC/DC adapter (also called a wall charger, power adapter, power brick, or wall wart) [1] is a type of external power supply, often enclosed in a case similar to an AC plug. [2] AC adapters deliver electric power to devices that lack internal components to draw voltage and power from mains power themselves.

3. Hydraulic analogy - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_analogy

   To model the resistance and the charge-velocity of metals, perhaps a pipe packed with sponge, or a narrow straw filled with syrup, would be a better analogy than a large-diameter water pipe. Quantum mechanics : Solid conductors and insulators contain charges at more than one discrete level of atomic orbit energy , while the water in one region ...

4. Turbocharger - Wikipedia

   en.wikipedia.org/wiki/Turbocharger

   Cut-away view turbocharger (turbine section on the left, compressor section on the right) In an internal combustion engine, a turbocharger (also known as a turbo or a turbosupercharger) is a forced induction device that is powered by the flow of exhaust gases.

5. WiTricity - Wikipedia

   en.wikipedia.org/wiki/WiTricity

   WiTricity has demonstrated wireless charging for consumer products such as laptops, mobile phones, televisions, [31] and solar panel receivers. [32] The company has also shown how the technology can be used to power soldiers' helmets with night-vision goggles wirelessly during Humvee transportation. [ 33 ]

6. JR Freight Class HD300 - Wikipedia

   en.wikipedia.org/wiki/JR_Freight_Class_HD300

   The Class HD300 (HD300形) is a hybrid diesel/battery Bo-Bo wheel arrangement switcher locomotive type operated by Japan Freight Railway Company (JR Freight) in Japan. [1] Following the delivery and evaluation of a prototype locomotive in March 2010, the first full-production locomotive entered service in February 2012. [2] [3]