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IEC Technical Specification 62700: DC Power supply for notebook computer is an IEC specification of a common standard for external laptop computer AC adapters.Laptops and AC adapters following this standard will have interchangeable power supplies, which will enable easy reuse of used power supplies (thereby reducing electronic waste) and make buying a new compatible power supply for a laptop ...
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 and current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged.
Besides the usual plus (positive) and minus (negative) terminals, a smart battery charger also has multiple terminals to connect to the smart battery pack's BMS. The Smart Battery System standard is commonly used to define this connection, which includes the data bus and the communications protocol between the charger and battery.
Schumacher is a professor of physics at Kenyon College, a liberal arts college in rural Ohio. He is the lecturer in four courses produced by the Teaching Company : Black Holes, Tides, and Curved Spacetime: Understanding Gravity; Quantum Mechanics: The Physics of the Microscopic World; Impossible: Physics Beyond the Edge; and The Science of ...
Apple's latest MacBook Pro is a powerhouse of a laptop for professionals and prosumers. But if you're just looking for something to browse the web and stream Netflix, stick with the MacBook Air ...
Comet Shoemaker–Levy 9 (formally designated D/1993 F2) was a comet that broke apart in July 1992 and collided with Jupiter in July 1994, providing the first direct observation of an extraterrestrial collision of Solar System objects. [5]
Schumacher was born in Madison, Wisconsin and grew up in Anchorage, Alaska. [7] He learned to ski as soon as he could walk, using strap-on skis in his backyard. [8] By the time he reached middle school, Schumacher had begun to show an interest in competitive racing. [9]
In 1812 he married Christine Madelaine Schoon. Their son, Richard Schumacher (1827–1902), was his assistant from 1844 to 1850 at the conservatory at Altona. Having become assistant to Carlos Guillermo Moesta (1825–1884), director of the observatory at Santiago de Chile, in 1859, he was associated with the Chilean geodesic survey in 1864.