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The Baghdad Battery is the name given to a set of three artifacts which were found together: a ceramic pot, a tube of copper, and a rod of iron. It was discovered in present-day Khujut Rabu , Iraq in 1936, close to the ancient city of Ctesiphon , the capital of the Parthian (150 BC – 223 AD) and Sasanian (224–650 AD) empires, and it is ...
The NCC improved Gassner's model by replacing the plaster of Paris with coiled cardboard, an innovation that left more space for the cathode and made the battery easier to assemble. It was the first convenient battery for the masses and made portable electrical devices practical, and led directly to the invention of the flashlight.
The Middle East, or the Near East, was one of the cradles of civilization: after the Neolithic Revolution and the adoption of agriculture, many of the world's oldest cultures and civilizations were created there. Since ancient times, the Middle East has had several lingua franca: Akkadian, Hebrew, Aramaic, Greek, and Arabic.
To refer to a concept similar to that of today's Middle East but earlier in time, the term ancient Near East is used. This list is intended as a timeline of the history of the Middle East. For more detailed information, see articles on the histories of individual countries. See ancient Near East for ancient history of the Middle East.
An electric battery is a source of electric power consisting of one or more electrochemical cells with external connections [1] for powering electrical devices. When a battery is supplying power, its positive terminal is the cathode and its negative terminal is the anode. [2]
Fear not — Edmunds explains what electric car batteries are made of. To start, let's establish that even though a Tesla battery and a Chevrolet Bolt battery are both lithium-ion batteries, that ...
[126] [127] From Mocha, coffee spread to Egypt and North Africa, [128] and by the 16th century, it had reached the rest of the Middle East, Persia and Turkey. From the Muslim world, coffee drinking spread to Italy, then to the rest of Europe, and coffee plants were transported by the Dutch to the East Indies and to the Americas. [129]
The ions were supposed to be the carriers of not only the electric current, as in electrolysis, but also of the chemical activity. The relation between the actual number of ions and their number at great dilution (when all the molecules were dissociated) gave a quantity of special interest ("activity constant"). A Hall-Héroult industrial cell.