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   artificial      billionth      challenge      electricity      engineers      fingernail      greatly      incredibly      manufacturers      size  

Paragraph 2

IBM has improved its microchips by reducing their . The tech giant has created a two-nanometre chip. Computer use nanometres to measure the size of chips. One nanometre is just a of a metre. A chip that is 2nm in size is small. IBM says its 2nm processor can store 50 billion transistors on "a chip the size of a ". Computer expert Peter Rudden said: "We have seen semiconductor moving from 14nm to 10nm to 7nm, with 7nm being a real for some." He said IBM's new chip could advance intelligence (AI). The chips could also let data centres store more information. Data centres use one per cent of the world's .

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