Nanotube

Nanotube

Tubes the diameter of a nanometer, formed spontaneously by atoms such as carbon. These can be excellent conductors, or excellent potential semiconductors.

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Industry/Domain: Physics
Category: Nanotechnology
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nanotube

Physics; Nanotechnology

Tubes the diameter of a nanometer, formed spontaneously by atoms such as carbon. These can be excellent conductors, or excellent potential semiconductors.

nanotube

Medical; Health care; Medicine

Nanometer-sized tubes composed of various substances including carbon (carbon nanotubes), boron nitride, or nickel vanadate.

carbon nanotube

Energy; Renewable energy

Allotropes of carbon with a cylindrical nanostructure. Nanotubes have been constructed with length-to-diameter ratio of up to 132,000,000:1,[1] significantly larger than for any ...

carbon nanotubes

Science; General science

Molecular-scale tubes of graphitic carbon with outstanding properties. They are among the stiffest and strongest fibers known, and have remarkable electronic properties and many ...

carbon nanotube

Medical; Health care; Medicine

Nanometer-sized tubes composed mainly of carbon. Such nanotubes are used as probes for high-resolution structural and chemical imaging of biomolecules with atomic force ...

peptide nanotube

Medical; Health care; Medicine

Nanotubes formed from cyclic peptides (cyclic peptides). Alternating D and L linkages create planar rings that self assemble by stacking into nanotubes. They can form pores ...

quantum tunneling

Physics; Nanotechnology

When electrons pass through a barrier, without overcoming it or breaking it down. See this illustration.

quantum well

Physics; Nanotechnology

A P-N-P junction in which the "N" layer is ~10 nm (where traditional physics leaves off and quantum effects take over) and an "electron trap" is created. "If one makes a ...

quantum wire

Physics; Nanotechnology

Another form of quantum dot, but unlike the single-dimension "dot," a quantum wire is confined only in two dimensions - that is it has "length," and allows the electrons to ...

quantumbrain

Physics; Nanotechnology

Think of your brain. Now, think of your brain performing at vastly superior levels. Nanobots will become an as-needed addition to your existing neurons, extending your mental ...

orbital tower

Physics; Nanotechnology

also known as a "space tether", "beanstalk" or "heavenly funicular". A cable in synchronous orbit, with one end anchored to the surface of the Earth, often with a small asteroid ...

paradigm shift

Physics; Nanotechnology

When one conceptual world-view is replaced by another, or, a change of patterns on a massive scale. When Copernicus showed how the Earth rotates around the Sun, and not vice ...

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Garland

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