An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...

Jean] wrote into the tips line (the system works!) to let all of us know about his hacked and hand-wired C64 keyboard, a ...

Our editors recommend a single newly published—or newly relevant—must-read from The Atlantic. Sign up for the newsletter here. The chief justice has been working to neuter the Voting Rights Act since ...

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission.

A lot of US business phone numbers have letters in them so they can be more easily remembered. Your iPhone has a number and letter keypad; each number corresponds to three or four numbers. To dial ...