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Computer without wires and batteries

18.10.2021

Danish engineers are developing a microscopic computer whose structure resembles the human brain in terms of how it works and how it consumes energy.

A team led by Associate Professor Houman Farhani from Aarhus University plans to make a computer the size of a speck of dust and with such low power consumption that it can forego any power source and extract electricity directly from the environment. They decided to mimic the structure of the human brain with neurons, synapses and neural networks to create a "brain-inspiring computer" (BIC).

The human brain consumes only 20 watts of energy to perform 10 quadrillion (10) operations per second, which is 000 times more efficient than modern supercomputers. According to scientists, devices with a similar structure to the brain will make it much easier to run artificial intelligence algorithms that consume more and more electricity.

“If we succeed in the experiment, we will have the first BIC system no larger than a grain of dust and with such low power consumption that it can be obtained directly from the environment. In other words, no power source is required, and this will open the way for a number of new, previously impossible, artificial intelligence applications," said Hooman Farhani.

The project, called Spin-Grain, was awarded $295 to scientists as part of the Villum Experiment program, which funds unusual scientific ideas. In total, the Villum Foundation has allocated more than $15 million for the development of 51 projects involving "bold research experiments".

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