Vehicles propelled by rocket engines are commonly called rockets. Rocket vehicles carry their own oxidizer, unlike most combustion engines, so rocket engines can be used in a vacuum to propel spacecraft and ballistic missiles. Compared to other types of jet…...
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In 2018, The American Society of Mechanical Engineers (ASME) named the Pratt & Whitney single crystal turbine blade an historic mechanical engineering landmark. These blades, which can be found in many modern, high-performance gas turbines (a.k.a. jet engines)—including the ones powering…...
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The COVID-19 pandemic, while demonstrating the nation’s vulnerabilities to biothreats, has also shown the fragility of the supply chain. The United States relies on foreign suppliers for a number of critical components including commodity chemicals, rare earth elements and active…...
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The Department of Defense (DOD) acquires goods and services from contractors, federal arsenals, and shipyards to support military operations. The acquisition is a broad term that applies to more than just the purchase of an item or service; the acquisition…...
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We live in an increasingly interconnected world, one in which mobile communications provide a significant element of this interconnectivity. This increasing demand for high speed, low latency networks supporting mobile connectivity is leading the definition of 5th generation mobile networks.…...
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Two out of three missions to the red planet have failed. One reason there have been so many losses is that there have been so many attempts. “Mars is a favorite target,” says Dr. Firouz Naderi, manager of the Mars…...
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We are in midst of the second quantum revolution moving from merely computing quantum properties of systems to exploiting them. Researchers are developing new capabilities in secure communication, ultra-sensitive and high signal-to-noise physical sensing of the environment and Quantum Information…...
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As the Global warming is melting the Arctic ice, and opening up new shipping trade routes and real estate, intense resource competition over an estimated $1 trillion untapped reserves of oil, natural gas and minerals has started. Human activities have…...
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Modeling and simulation (M&S) is the use of models as a basis for simulations to develop data utilized for managerial or technical decision making. Modeling is the process of representing a model (e.g., physical, mathematical, or logical representation of a…...
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Additive manufacturing can reduce the time and material costs in a design cycle and enable the on-demand printing of customized parts. Recent advances in 3D printing technology now enable antennas and RF electronics to be designed and prototyped significantly faster…...
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