Device that withstands 1,400°C temperatures could improve solar energy production
An innovative probe which can operate in temperatures as high as molten lava has been created by researchers.
Feb 29, 2024
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An innovative probe which can operate in temperatures as high as molten lava has been created by researchers.
Feb 29, 2024
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Material used in organic solar cells can also be used as light sensors in electronics. This has been shown by researchers at Linköping University, Sweden, who have developed a type of sensor able to detect circularly polarized ...
Sep 28, 2023
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Apple has agreed to install updates for the iPhone 12 in France after French regulators ordered the company to stop selling the model because it emits electromagnetic radiation levels that exceed European Union standards.
Sep 15, 2023
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Solid oxide fuel cells, or SOFC, are a type of electrochemical device that generates electricity using hydrogen as fuel, with the only 'waste' product being water. Naturally, as we strive to reduce our carbon output and mitigate ...
Mar 28, 2023
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In semiconductor device applications, there is an increasing demand for semiconductors with very high carrier concentrations. The semiconductor material parameters, namely carrier density and mobility, primarily determine ...
Sep 15, 2021
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Most of the devices used in our daily lives are operated and controlled by electricity. From the standpoint of safety and the tight supply and demand of electricity, circuit design that satisfies low electromagnetic noise ...
Mar 24, 2021
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Stanford University engineers have developed an airborne method for imaging underwater objects by combining light and sound to break through the seemingly impassable barrier at the interface of air and water.
Dec 1, 2020
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Thousands of people protested in the Swiss capital Bern Saturday over the roll-out of a 5G wireless technology across the country, which they fear could damage people's health.
Sep 22, 2019
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In an article published in the SPIE Journal of Nanophotonics (JNP), researchers from a collaboration of three labs in Mexico demonstrate an innovative nanodevice for harvesting solar energy. The paper, "Thermoelectric efficiency ...
May 3, 2019
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Researchers have developed an algorithm that safeguards hardware from attacks to steal data. In the attacks, hackers detect variations of power and electromagnetic radiation in electronic devices' hardware and use that variation ...
Feb 28, 2019
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Electromagnetic radiation (sometimes abbreviated EMR) is a ubiquitous phenomenon that takes the form of self-propagating waves in a vacuum or in matter. It consists of electric and magnetic field components which oscillate in phase perpendicular to each other and perpendicular to the direction of energy propagation. Electromagnetic radiation is classified into several types according to the frequency of its wave; these types include (in order of increasing frequency and decreasing wavelength): radio waves, microwaves, terahertz radiation, infrared radiation, visible light, ultraviolet radiation, X-rays and gamma rays. A small and somewhat variable window of frequencies is sensed by the eyes of various organisms; this is what we call the visible spectrum, or light.
EM radiation carries energy and momentum that may be imparted to matter with which it interacts.
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