Engineers use feedback loops — typically negative feedback is more useful, but positive feedback is needed for oscillators. Negative feedback in an amplifier circuit, which has a negative loop gain, ...

Two playoff teams from last season meet up in Week 9 action as the Houston Texans host the Denver Broncos. Houston got off to a slow start to the year, especially on offense, and finds itself 3-4 ...

It's a well-known fact that quantum calculations are difficult, but one would think that quantum computers would facilitate the process. In most cases, this is true. Quantum bits, or qubits, use ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Data centers squander vast amounts of electricity, most of it as heat. The physical properties of diamond offer a potential solution, researchers say. Data centers squander vast amounts of electricity ...

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Dwayne Johnson got a real taste of what it's like to be a professional fighter in "The Smashing Machine." Johnson, who portrays UFC and Pride Fighting Championships veteran Mark Kerr in the movie, ...

The original version of this story appeared in Quanta Magazine. Imagine that someone gives you a list of five numbers: 1, 6, 21, 107, and—wait for it—47,176,870. Can you guess what comes next? If ...

Learning and giving is coming full circle in a local Montgomery County, Maryland, school program. Alyna Raynovich, the instructional specialist for the Information Technology Foundation for Montgomery ...

The clothing used to test the machine is more than 1,000 items from a local Goodwill that were donated but didn’t sell. Every year, 11 million tons of textiles – clothing, towels, bedding and more – ...

BART trains were unable to start running early Friday morning after a computer equipment problem shut down the system, according to the transit agency. "A computer equipment problem following network ...

CAMBRIDGE, U.K. – A small Microsoft Research team had lofty goals when it set out four years ago to create an analog optical computer that would use light as a medium for solving complex problems.