Nano Science (Lec1 Introdution to NANO)

Nano Science (Lec1 Introdution to NANO) - MAE 287/EE 257...

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MAE 287/EE 257
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Apple displayed the completely revamped the Nano during the keynote. Nano users can also utilize Coverflow to browse through their library or even play purchased games from iTunes on their bright 2-inch display. The battery life remains at about the same level as the previous Nano, offering 24 hours of music playback or 5 hours of video in this case. Just like the iPod Classic, the Nano too is enclosed in an all- metal stainless steel case. As seen in the image above, the Nano is available in 5 colors. The unit is available TODAY in capacities of 4GB and 8GB costing $149 and $199, respectively.
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India's premier carmaker, Tata Motors, rocked the automotive world when they finally released their anticipated Nano, alternatively known as the "People's Car", "One-Lakh Car" and "$2,500 Car". The initial reply from other major manufacturers such as GM and Toyota was that the Nano could not be profitable (Tata says it is), and that the car could not meet safety and emissions standards (it currently does in lax India which is Tata's first intended market).
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Logitech VX cordless laser mouse - Nano receiver The VX Nano mouse’s plug -and-forget nano- receiver is the world’s smallest USB receiver for mouse (when compared with other 27 MHz USB receivers for notebook mouse commercially available as of March 1, 2007). When plugged into a laptop, the nano-receiver is nearly flush against the notebook - protruding just 8 mm from the edge of the computer. As a result, notebook users no longer have to worry about the receiver getting lost or snagged. Instead, people can plug in the nano-receiver once and then forget about it - the VX Nano mouse is always ready for use.
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Nano means one-billionth. Traced back to the Greek root, nano means ―little old man‖.
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1 nm is 10 -9 m If the size of the sea were 1 m, then 1 nm would only have the size of a droplet.
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A scanning electron microscope (SEM) image of a human hair with a diameter of ~ 100 m m. A scanning electron microscope (SEM) image of carbon nanotubes with a diameter of ~ 1 nm.
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Question: How many carbon nanotubes with a diameter of 1 nm can be tightly packed into a cylinder defined by a human hair 100 m m in diameter? Answer: 10 billion
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-9 m) is a magic point on the dimensional scale. Nanostructures are at the confluence of the smallest of human-made devices and the largest molecules of living things. Nanoscale science and engineering here refer to the fundamental understanding and resulting technological advances arising from the exploitation of new physical, chemical, and biological properties of systems that are intermediate in size, between isolated atoms and molecules and bulk materials, where the transitional properties between the two limits can be controlled. - Mike Roco, NSF
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This note was uploaded on 04/17/2011 for the course MAE 287 taught by Professor Yongchen during the Winter '11 term at UCLA.

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Nano Science (Lec1 Introdution to NANO) - MAE 287/EE 257...

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