Divide any circle’s circumference by its diameter and you get pi. But what, exactly, are its digits? Measuring physical ...

The 5500FP is a ternary CPU implemented on an FPGA. It's not very fast, but it makes it easier to experiment with computers ...

Computing is part of everything we do. Computing drives innovation in engineering, business, entertainment, education, and the sciences—and it provides solutions to complex, challenging problems of ...

Will the reality live up to the hype? by Jonathan Ruane, Andrew McAfee and William D. Oliver In 1994, mathematician Peter Shor introduced a quantum-computing algorithm that could reduce the time it ...

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Want to try your hand at flying a quadcopter, but aren’t ready for a pro model? These are the best affordable and easy-to-fly drones we've tested. Images, and the devices that capture them, are my ...

Want to correct errors or update content in a PDF? Whether you prefer a powerful, corporate-friendly solution or a basic app you can use at no cost, we're here to help you find the right PDF software ...

The crackle of electricity inside your brain has long been too complex to decode. Artificial intelligence is changing that. The woman didn't move, apart from the rise and fall of her breathing – eyes ...

Soldiers in ancient Greece would send secret dispatches by wrapping a strip of parchment around a staff and writing across it. Their messages could be deciphered only by someone with a staff of the ...

Want more tried and tested recommendations from the RW editors? Sign up to our monthly newsletter Kit Bag. Click here to subscribe. You can take your first steps in your everyday trainers but ...

An obituary of Tony Hoare, a pioneer and one of the greatest programmers in the early history of computing.