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Engineers Put Tens of Thousands of Artificial Brain Synapses on a Single Chip


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A closeup view of the neuromorphic chip.

Engineers at the Massachusetts Institute of Technology have designed a 'brain on a chip' composed of tens of thousands of artificial brain synapses.

Credit: Peng Lin

Massachusetts Institute of Technology (MIT) engineers have designed a 'brain on a chip' composed of tens of thousands of artificial brain synapses, or memristors.

MIT's Jeehwan Kim said, "Traditionally, metallurgists try to add different atoms into a bulk matrix to strengthen materials, and we thought, why not tweak the atomic interactions in our memristor, and add some alloying element to control the movement of ions in our medium."

The silicon-copper alloy chip can "remember" and replicate stored images many times over, in versions that are sharper and cleaner compared with unalloyed designs.

The goal is to build actual neural network hardware for portable artificial intelligence systems, rather than constructing the synapses as software.

From MIT News
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