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Nanotechnology news

Writing data on atoms: researchers have found a way to write and retrieve data at the atomic level

A team of researchers in the Netherlands has developed the means to store data at the atomic level. This technique would allow 502 terabytes of data to fit into one square inch. According to the authors, "[t]ranslating the two-dimensional storage density presented here to three dimensions, would ... allow the storage of the entire US Library of Congress in a cube 100 µm wide." At the moment, the memory array can operate up to a temperature of 77 K (about -210 C), meaning that the technology would be restricted to data centres capable of maintaining such temperatures.

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Published on : 26 Jul 2016

Could black phosphorus be the next silicon?

As scientists continue to hunt for a material that will make it possible to pack more transistors on a chip, new research from McGill University and Université de Montréal adds to evidence that black phosphorus could emerge as a strong candidate.

Published on : 07 Jul 2015

A better way to build DNA scaffolds

Imagine taking strands of DNA – the material in our cells that determines how we look and function – and using it to build tiny structures that can deliver drugs to targets within the body or take electronic miniaturization to a whole new level.

Published on : 06 May 2015

Building tailor-made DNA nanotubes step by step

Researchers at McGill University have developed a new, low-cost method to build DNA nanotubes block by block – a breakthrough that could help pave the way for scaffolds made from DNA strands to be used in applications such as optical and electronic devices or smart drug-delivery systems.

Published on : 23 Feb 2015

When nanotech meets quantum physics in one dimension

How would electrons behave if confined to a wire so slender they could pass through it only in single-file?

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Published on : 23 Jan 2014

DNA ‘cages’ may aid drug delivery

Nanoscale “cages” made from strands of DNA can encapsulate small-molecule drugs and release them in response to a specific stimulus, McGill University researchers report in a new study.

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Published on : 03 Sep 2013

A step toward optical transistors?

As demand for computing and communication capacity surges, the global communication infrastructure struggles to keep pace, since the light signals transmitted through fiber-optic lines must still be processed electronically, creating a bottleneck in telecommunications networks.

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Published on : 09 Apr 2013