The solar cells produce electrical power (current) from incident sunlight. However, individual solar cells generate very little power. So, in order to generate more power, a group of cells that are present in an array form can be used. Solar arrays are primarily used in satellites in order to provide …
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In an era where technology is the key driver enhancing capabilities across the military, the soldier remains as crucial as ever for achieving mission success. Some of the missions the soldiers perform can take weeks, away from in difficult terrain like deserts and mountains which requires maintaining an incredibly high …
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The aerospace and defense industry is one of the most massive, and multibillion-dollar industries in operation. This calls for the electronics and technology used in this industry need running at 100% efficiency level to make sure that the equipment doesn’t malfunction and get damaged or provide lower utility than it …
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Advanced materials are essential for boosting the fuel economy of modern automobiles while maintaining safety and performance. Because it takes less energy to accelerate a lighter object than a heavier one, lightweight materials offer great potential for increasing vehicle efficiency. A 10% reduction in vehicle weight can result in a …
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Virtually every modern naval weapons system, in fulfilling its mission, is highly dependent upon the performance characteristics of its electrochemical power supply. For example, batteries are used to power detection, guidance, control, ignition, propulsion, arming, fuzing, transmitting and jamming devices. The need for weapons with increased range, speed, endurance, sensitivity …
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In 2011, Iran claimed to have downed a sophisticated American stealth drone, and unveiled what it alleged was a reverse-engineered copy of the futuristic looking RQ-170 Sentinel UAV, produced by defense giant Lockheed Martin. The drone was brought down by the Iranian Armed Forces’ electronic warfare unit which commandeered the …
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Cryogenic electronics is important for a growing number of applications, including superconducting classical computing, superconducting quantum computing and quantum annealing, and superconducting single-photon detector arrays. One of the more difficult aspects about developing a successful superconducting electronics technology at very low temperatures (~10 mK) is the lack of robust commercial …
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An X-ray, or, much less commonly, X-radiation, is a penetrating form of high-energy electromagnetic radiation. Most X-rays have a wavelength ranging from 10 picometers to 10 nanometers, corresponding to frequencies in the range 30 petahertz to 30 exahertz (30×1015 Hz to 30×1018 Hz) and energies in the range 124 eV …
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Ion beam accelerators are machines providing kinetic energy to charged particles called ions, which bombard the target sample – the material to be irradiated and subsequently analyzed. The target can be a thin foil or a piece of mineral, rubber, textile, tissue, soil or metal. The sample can be an …
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Over the past three years, SpaceX has deployed thousands of satellites into low-Earth orbit as part of its business to beam high-speed internet service from space. But the company’s latest deployment of 49 new satellites after a Feb. 2021 launch did not go as planned. As a consequence of …
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