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New way to make computers functions like human brain

Researchers in US have developed a superconducting switch that “learns” like its biological counterpart. The switch, called a Synapse, could connect processors and store memories within future computers operating like the human brain.

The switch developed at the National Institute of Standards and Technology (NIST) in Colorado supplies a missing piece for so-called neuromorphic computers, according to the study, described in journal Science Advances.

Envisioned as a new type of artificial intelligence, such computers could boost perception and decision-making for applications such as self-driving cars and cancer diagnosis, Xinhua reported.

Biological synapse is a connection or switch between two brain cells. NIST’s artificial synapse, a squat metallic cylinder 10 micrometers in diameter, is a connecting switch between incoming electrical spikes and the signals being output. It works in the same way that a human synapse quickly switches between two brain cells.

According to the study, NIST’s synapse would be used in neuromorphic computers made of superconducting components, which can transmit electricity without resistance, and therefore, would be more efficient than other designs based on semiconductors or software.

Data would be transmitted, processed and stored in units of magnetic flux.

“The NIST synapse has lower energy needs than the human synapse, and we don’t know of any other artificial synapse that uses less energy,” NIST physicist Mike Schneider said.

Compared to a brain cell’s 50 times per second, NIST synapse is capable of firing 1 billion times per second. The more firing between cells or processors, the stronger the connection. Both the real and artificial synapses can thus maintain old circuits and create new ones.

The new synapse would be used to make neuromorphic computers, computers that function like the human brain, a reality.

These conceptual machines are made of superconducting components, which can transmit electricity without resistance, and therefore, would be more efficient than other designs based on semiconductors or software. Data would be transmitted, processed and stored in units of magnetic flux.

Other superconducting devices mimicking the human brain cells and transmission have been developed in the past, but efficient synapses have been missing. And NIST’s synapse now could be the crucial invention that would essentially tie them all together.

Crucially, the synapses can also be stacked in three dimensions (3-D) to make large systems that could be used for computing. NIST researchers created a circuit model to simulate how such a system would operate.

The post New way to make computers functions like human brain appeared first on The Canadian Parvasi.



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