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Fast Clocks for Fast Chips

In the world of high-speed computer chips, timing is everything. Without a clock, processors are useless, and the faster and smaller the chip, the harder it is to keep steady time. The latest superconducting chips-circuits that deliver astonishing electrical speed when kept at extremely cold temperatures-are the electronic equivalent of an untamed bucking bronco. In search of a faster timing device that can harness their power, Mark F. Bocko, professor of electrical engineering at the University of Rochester, has developed a clock with a built-in diagnostic chip that can measure and adjust its own timing. Already, Bocko’s team has successfully clocked a superconducting circuit running at 50 gigahertz. The clocks could eventually handle chips running at “several hundred gigahertz,” says Bocko. The team is working with an Elmsford, NY, electronics company called Hypres to construct superconducting equipment for wireless communications. -C. Conti

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Five poems about the mind

DREAM VENDING MACHINE I feed it coins and watch the spring coil back,the clunk of a vacuum-packed, foil-wrappeddream dropping into the tray. It dispenses all kinds of dreams—bad dreams, good dreams,short nightmares to stave off worse ones, recurring dreams with a teacake marshmallow center.Hardboiled caramel dreams to tuck in your cheek,a bag of orange dreams…

Work reinvented: Tech will drive the office evolution

As organizations navigate a new world of hybrid work, tech innovation will be crucial for employee connection and collaboration.

lucid dreaming concept
lucid dreaming concept

I taught myself to lucid dream. You can too.

We still don’t know much about the experience of being aware that you’re dreaming—but a few researchers think it could help us find out more about how the brain works.

panpsychism concept
panpsychism concept

Is everything in the world a little bit conscious?

The idea that consciousness is widespread is attractive to many for intellectual and, perhaps, also emotional
reasons. But can it be tested? Surprisingly, perhaps it can.

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Illustration by Rose WongIllustration by Rose Wong

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