Science

8 Minutes
Earth and Space Geography and History

Ptolemy (85 – 165), Mathematician, Geographer, Astronomer and Astrologer

Claudius Ptolemy, Mathematician, Geographer, Astronomer and Astrologer Born in Ptolemais (Upper Egypt), hence his name, this illustrious astronomer and geographer lived in Alexandria. His masterful work, the Mathematical Composition (around the year 150), thirteen...
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6 Minutes
Chemistry Science Technology

Smelter (Foundry) a machine for taking metal out of rock by heating it to a very high temperature

A smelter is a smelting machine for removing metal from rock by heating it to very high temperatures. This form of extractive metallurgy is suitable for extracting metals such as tin, lead, copper, iron,...
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2 Minutes
Physics

Physics Research Fields | Major fields of physics, with subfields, theories and concepts

Physics Research Fields Contemporary physics research fields are divided into various disciplines that study different aspects of the physical world. They can be broadly divided into nuclear and particle physics; condensed matter physics; atomic,...
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23 Minutes
Physics Science

Electrical Measuring Instruments: Ammeter, Voltmeter, Ohmmeter, Wattmeter, LCR, Multimeter

Electrical Measuring Instruments: Ammeter, Voltmeter, Ohmmeter, Wattmeter, Multimeter. Measuring current can also be used to estimate your electricity consumption, but also to check the condition of your installation and identify energy losses....
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