Energy & Green Tech
There is a largely untapped energy source along the world's coastlines: the difference in salinity between seawater and freshwater. A new nanodevice can harness this difference to generate power.
Sep 24, 2023
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214
Electronics & Semiconductors
Among the many hazards encountered by space probes, exposure to radiation and huge temperature swings pose particular challenges for their electronic circuits. Now KAUST researchers have invented the first ever flash memory ...
Aug 16, 2023
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84
Energy & Green Tech
A team from the University of Toronto's Faculty of Applied Science & Engineering has invented a device that leverages electrochemistry to increase the efficiency of direct air carbon capture. Their alternative strategy aims ...
Aug 10, 2023
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243
Energy & Green Tech
Get ready to say goodbye to the once ubiquitous incandescent light bulb, pioneered by Thomas Edison more than a century ago. You can thank—or blame—new federal energy efficiency regulations that went into full effect ...
Aug 2, 2023
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14
Engineering
Chances are, the screen you're reading from glows thanks to light-emitting diodes—commonly known as LEDs. This widespread technology provides energy-efficient indoor lighting and increasingly illuminates our computer monitors, ...
Aug 2, 2023
1
59
Energy & Green Tech
In a world hungry for clean energy, engineers have created a new material that converts the simple mechanical vibrations all around us into electricity to power sensors in everything from pacemakers to spacecraft.
May 3, 2023
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125
Electronics & Semiconductors
In the effort to reduce our reliance on fossil fuels, one strategy involves harvesting the waste heat that is already being produced by our energy systems. Thermoelectric generators can convert waste heat to clean electricity, ...
May 1, 2023
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49
Robotics
Hormones released by the stomach, such as ghrelin, play a key role in stimulating appetite. These hormones are produced by endocrine cells that are part of the enteric nervous system, which controls hunger, nausea, and feelings ...
Apr 26, 2023
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22
Electronics & Semiconductors
Scientists at UNSW Sydney have combined artificial synapses with advanced sensors to mimic the properties of human skin, in new research published in Advanced Functional Materials.
Apr 26, 2023
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57
Electronics & Semiconductors
Purdue University researchers have created transparent organic conductors from patent-pending polymers that achieve the same results and properties as traditional conductors made from rare-earth minerals but are less expensive ...
Apr 24, 2023
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1295
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
