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IBM Creates 10,000 Transistor Carbon Nanotube Computer Chip


Moore’s Law has held up for four decades, accurately predicting that the effective computing power of a chip will doiuble every 18 months. That’s how we’ve been able to make our computers–and now our smartphones and tablets–that much more powerful in such a short time. However, that “Law” is about to reach its physical limitations, because the transistors and architecture of silicone chips can only go so far.

And that’s why companies like IBM are really exploring silicone alternatives. One very promising direction is with carbon nanotubes and IBM has just reached a major milestone. They have created a new computer chip based on carbon nanotube technology that has more than 10,000 transistors. This is a far cry from the current generation of silicone-based microprocessors, but it does demonstrate a lot of potential for carbon nanotubes moving forward.

As you might remember, carbon nanotubes are constructed with sheets of cabon that are just a single atom thick, rolling them into a cylinder. These conduct electricity better than silicon and have the perfect shape to act as transistors. Unfortunately, they have to be completely free of inpurities and they have to be aligned perfectly. They’re harder to work with, but they could hold the future of computing because carbon nanotubes can also scale much smaller than silicone.

It’s unlikely that we’ll have a Nexus 2013 next year based on carbon nanotube technology, but with the continuing research and innovation at places like IBM, the future of Moore’s Law might still be viable.

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About Michael Kwan

A freelance writer and tech geek from Vancouver. Find me at michaelkwan.com and follow me on Twitter @michaelkwan.

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