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New Ultra-efficient LED will vastly improve LCD screens

ScienceDaily (2008-03-03) — In recent years, light emitting diodes (LEDs) have begun to change the way we see the world. Now, a student has developed a new type of LED that could allow for their widespread use as light sources for liquid crystal displays (LCDs) on everything from televisions and computers to cell phones and cameras. This first polarized LED holds promise to vastly improve LCD screens, conserve energy, and usher in the next generation of ultra-efficient LEDs. Read more

Future of Nanotech Screens and Neuro sensors?

Something that at this moment is still in concept stage like Nokia’s new nanotech phone, but…… Wouldn’t we ALL love to have this?  Your lost so you hold up the transparent nanotech screen and see the arrows directing you to your destination, and instantly translate any language or have access to any information. Read more

Nanotube: Tech-Goddess word of the day

Nanotube: A one dimensional fullerene (a convex cage of atoms with only hexagonal and/or pentagonal faces) with a cylindrical shape. Carbon nanotubes discovered in 1991 by Sumio Iijima resemble rolled up graphite, although they can not really be made that way. Depending on the direction that the tubes appear to have been rolled (quantified by the ‘chiral vector’), they are known to act as conductors or semiconductors. Nanotubes are a proving to be useful as molecular components for nanotechnology. [Encyclopedia Nanotech]

Strictly speaking, any tube with nanoscale dimensions, but generally used to refer to carbon nanotubes, which are sheets of graphite rolled up to make a tube. A commonly mentioned non-carbon variety is made of boron nitride, another is silicon. These noncarbon nanotubes are most often referred to as nanowires. The dimensions are variable (down to 0.4 nm in diameter) and you can also get nanotubes within nanotubes, leading to a distinction between multi-walled and single-walled nanotubes. Apart from remarkable tensile strength, nanotubes exhibit varying electrical properties (depending on the way the graphite structure spirals around the tube, and other factors, such as doping), and can be superconducting, insulating, semiconducting or conducting (metallic). [CMP]

Nanotubes can be either electrically conductive or semiconductive, depending on their helicity, leading to nanoscale wires and electrical components. These one-dimensional fibers exhibit electrical conductivity as high as copper, thermal conductivity as high as diamond, strength 100 times greater than steel at one sixth the weight, and high strain to failure. NASA JSC - Carbon Nanotubes

References:
NASA JSC - Carbon Nanotubes
Encyclopedia Nanotech

IBM using DNA in Nanotube Chips

If you are still thinking that chips must be built, think again. The latest trend IBM is exploring is GROWING chips from the building block of life: DNA.

The sceintists at IBM are experimenting with using something called nanotubes, which are just strands of carbon atoms that can conduct electricity, with DNA. The DNA then does as DNA will, it replicates itself along with the nanotubes into a grid that can perform calculations or serve as information storage. Read more