Tiny wind engines cool computers

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Yellow Belt
Miniscule wind engines could help to take computing power to the next level, scientists believe.
US researchers have developed a prototype device that creates a "breeze" made up of charged particles, or ions, to cool computer chips.

The "ionic wind", the scientists say, will help to manage the heat generated by increasingly powerful, yet ever-shrinking devices.

The research is to be published in the Journal of Applied Physics.

As computers grow increasingly powerful, computer chips are becoming more and more densely packed with transistors, the basic building blocks of microprocessors. .

Timothy Fisher, associate professor of mechanical engineering at Purdue University and an author on the paper, said: "In computers and electronics, power equals heat, so we need to find ways to manage the heat generated in more powerful laptops and handheld computers."

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