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Nanotechnology is the science and engineering of functional systems at the molecular scale. In its original sense, nanotechnology refers to the projected ability to construct items from the bottom up making complete, high-performance products. One nanometer (nm) is one billionth, or 10 −9, of a meter.
In addressing the health and environmental impact of nanomaterials we need to differentiate between two types of nanostructures: (1) Nanocomposites, nanostructured surfaces and nanocomponents (electronic, optical, sensors etc.), where nanoscale particles are incorporated into a substance, material or device (“fixed” nano-particles); and (2 ...
The Banaue Rice Terraces. The Laguna Copperplate Inscription shows the use of mathematics in precolonial Philippine societies. A standard system of weights and measures is demonstrated by the use of precise measurement for gold, and familiarity with rudimentary astronomy is shown by fixing the precise day within the month in relation to the phases of the moon.
Military applications for nanotechnology are going to revolutionize modern warfare and while many benefits will come from the applications of such technology there are also some risks that we need to be aware of. The emergence of nanotechnology will greatly change the fields of science medicine surveillance and energy.
Nanotechnology is an active research area that encompasses a number of disciplines such as electronics, bio-mechanics and coatings. These disciplines assist in the areas of civil engineering and construction materials. [22] If nanotechnology is implemented in the construction of homes and infrastructure, such structures will be stronger.
Nanotechnology's ability to observe and control the material world at a nanoscopic level can offer great potential for construction development. Nanotechnology can help improve the strength and durability of construction materials, including cement, steel, wood, and glass. [9] By applying nanotechnology, materials can gain a range of new ...
Nanoelectronics refers to the use of nanotechnology in electronic components. The term covers a diverse set of devices and materials, with the common characteristic that they are so small that inter-atomic interactions and quantum mechanical properties need to be studied extensively.
Nanoelectronics – use of nanotechnology on electronic components, including transistors so small that inter-atomic interactions and quantum mechanical properties need to be studied extensively. Nanomechanics – branch of nanoscience studying fundamental mechanical (elastic, thermal and kinetic) properties of physical systems at the nanometer ...