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An alkaline battery (IEC code: L) is a type of primary battery where the electrolyte (most commonly potassium hydroxide) has a pH value above 7. Typically these batteries derive energy from the reaction between zinc metal and manganese dioxide . Compared with zinc–carbon batteries of the Leclanché cell or zinc chloride types, alkaline ...
Extended producer responsibility ( EPR) is a strategy to add all of the estimated environmental costs associated with a product throughout the product life cycle to the market price of that product, contemporarily mainly applied in the field of waste management. [1] Such societal costs are typically externalities to market mechanisms, with a ...
The lithium–sulfur battery (Li–S battery) is a type of rechargeable battery. It is notable for its high specific energy. [2] The low atomic weight of lithium and moderate atomic weight of sulfur means that Li–S batteries are relatively light (about the density of water). They were used on the longest and highest-altitude unmanned solar ...
A fluorescent lamp, or fluorescent tube, is a low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light. An electric current in the gas excites mercury vapor, which produces short-wave ultraviolet light that then causes a phosphor coating on the inside of the lamp to glow.
Battery charger. Charging a 12 V lead-acid car battery. A mobile phone plugged in to an AC adapter for charging. A battery charger, recharger, or simply charger, [1] [2] is a device that stores energy in an electric battery by running current through it. The charging protocol—how much voltage, current, for how long and what to do when ...
Spanish. The Light Bulb Conspiracy, also known as Pyramids of Waste, [2] is a 2010 documentary film written and directed by Cosima Dannoritzer. An international co-production of France and Spain, the documentary thematizes the planned obsolescence of industrial products for commercial reasons.
However, these jets are not moving at speeds in excess of the speed of light: the apparent superluminal motion is a projection effect caused by objects moving near the speed of light and approaching Earth at a small angle to the line of sight: since the light which was emitted when the jet was farther away took longer to reach the Earth, the ...
A charging station, also known as a charge point, chargepoint, or electric vehicle supply equipment ( EVSE ), is a power supply device that supplies electrical power for recharging plug-in electric vehicles (including battery electric vehicles, electric trucks, electric buses, neighborhood electric vehicles, and plug-in hybrid vehicles ).