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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There has been rapid growth in New Space applications like small satellites (small sats) and Low Earth Orbit (LEO) mega constellations or satellite swarms. The increased U.S. investment in military space is driving growth in classified and unclassified applications. The Satellite has a large number of electronic systems and …
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Construction and demolition (C&D) materials are generated when new building and civil-engineering structures are built and when existing buildings and civil-engineering structures are renovated or demolished (including deconstruction activities). Civil-engineering structures include public works projects, such as streets and highways, bridges, utility plants, piers, and dams. C&D materials often …
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Generally, materials will degrade over time due to fatigue, environmental conditions, or damage incurred during operation. Repair of certain materials during their lifecycle (especially those with structural functions such as concrete) can be very expensive and labour intensive. Therefore Scientists began developing self-healing materials , those artificial (synthetic) substances that …
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Smart materials or Active materials or Functional materials are designed materials that have diverse, dynamic features that enable them to adapt to the environment. They have one or more properties that can be significantly changed in a controlled fashion by external stimuli, the stimulus and response may be mechanical, electrical, …
Read More »With a view to future applications in electronics and quantum technology, researchers are focusing on the development of new components that consist of a single layer (monolayer) of a semiconducting material. Some naturally occurring materials with semiconducting properties feature monolayers of this kind, stacked to form a three-dimensional crystal. In …
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Manufacturing technology breakthroughs in recent years, such as 3D printing, have allowed precise material placement, new material behaviors, and complex shaping of parts and structures. Design tools, however, have not kept up with the complexity of the design space resulting from these advances. DARPA’s TRAnsformative DESign (TRADES) program, which …
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Spider silk is also known as gossamer. It is a sought-after biomaterial. Spider silk is a protein fiber made in the glands of a spider. This silk is flexible and lightweight. These fibers are waterproof and have a tensile strength similar to that of steel. These fibers can be stretched …
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A rocket is defined as a technologically advanced reaction motor that can carry its oxidant to propel a launch vehicle. A reaction motor is used as a propulsion device to generate a forward push by expelling the rocket structure in a backward direction. A missile is an unmanned rocket vehicle. …
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A transducer is any device used to convert energy from one form to another, such as a conversion from mechanical to electrical energy or vice versa. An electroacoustic transducer is a device that converts acoustic energy (sound) into electrical energy (voltage or current) or vice versa. Piezoelectric materials modify …
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