Energy & Green Tech
The electrode sheet of a thermoelectric device consists of ionic hydrogel, which is sandwiched between the electrodes to form, and the Prussian blue on the electrode undergoes a redox reaction to improve the energy density ...
18 hours ago
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Engineering
If you've looked in your utility drawer lately, you may have noticed the various shapes, sizes and types of batteries that power your electronic devices. First, there are the round, non-rechargeable button cells for your ...
Apr 8, 2024
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Engineering
When FAMU-FSU College of Engineering Professor Fang Peng was a boy, he saw the power and peril of electricity firsthand. He was in middle school when his remote Chinese hometown first received electric service. His family ...
Mar 26, 2024
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Energy & Green Tech
Meeting Canada's ambitious net-zero emissions target by 2050 necessitates significant technological, behavioral and systemic changes in the transportation sector, a major contributor to global greenhouse gas (GHG) emissions. ...
Mar 18, 2024
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Energy & Green Tech
Researchers in Sweden unveiled a new concept for producing hydrogen energy more efficiently, splitting water into oxygen and hydrogen without the dangerous risk of mixing the two gases.
Mar 6, 2024
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231
Energy & Green Tech
Thermometers are an under-appreciated marvel of human ingenuity built upon an understanding of relatively simple physical principles. Mercury and alcohol thermometers rely on the volume of liquids growing or shrinking in ...
Feb 22, 2024
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21
Engineering
Electrical impedance tomography (EIT) is a non-destructive imaging technique used to visualize the interior of materials. In this method, an electric current is injected between two electrodes, creating an electric field, ...
Jan 22, 2024
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29
Electronics & Semiconductors
Memristive devices are capable of retaining their internal resistance, thus offering superior performance compared to conventional devices that use integrated circuits. Several materials have been explored for the manufacture ...
Jan 15, 2024
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9
Engineering
Coal is an abundant resource in the United States that has, unfortunately, contributed to climate change through its use as a fossil fuel. As the country transitions to other means of energy production, it will be important ...
Jan 3, 2024
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74
Engineering
MIT researchers have used 3D printing to produce self-heating microfluidic devices, demonstrating a technique which could someday be used to rapidly create cheap, yet accurate, tools to detect a host of diseases.
Dec 11, 2023
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Electric current is the rate of flow of electric charge. The electric charge that flows is carried by, for example, mobile electrons in a conductor, ions in an electrolyte or both in a plasma.
The SI unit of electric current intensity is the ampere. Electric current is measured using an ammeter.
This text uses material from Wikipedia, licensed under CC BY-SA
