Science Daily iconScience DailySep 7, 2026

Scientists find a way to slash computer memory energy use by orders of magnitude

Scientists have devised a new way to switch magnetic computer memory while using far less energy than today's leading technologies. By mathematically optimizing the pulses used to flip digital bits, the method could reduce energy consumption by several orders of magnitude.

Scientists find a way to slash computer memory energy use by orders of magnitude

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Scientists have devised a new way to switch magnetic computer memory while using far less energy than today's leading technologies.

By mathematically optimizing the pulses used to flip digital bits, the method could reduce energy consumption by several orders of magnitude.

Simulations suggest it may bring future memory devices surprisingly close to the fundamental physical limit for processing information.

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The useful part

Scientists have devised a new way to switch magnetic computer memory while using far less energy than today's leading technologies. By mathematically optimizing the pulses used to flip digital bits, the method could reduce energy consumption by several orders of magnitude. Simulations suggest it may bring future memory devices surprisingly close to the fundamental physical limit for processing information.

How it works

  • The same idea could eventually work with electrical currents or ultrafast lasers.

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