All mainstream credit card numbers obey a mathematical trick designed to catch the most common typos. It’s called the Luhn ...

This paper presents the Levinson algorithm, its rediscoveries and extensions. A review is given of the applications of the procedure to several areas of interest in the field of time series analysis.

Reviews of notable new fiction, nonfiction, and poetry.

Wind farms are one of the country’s most cost-effective energy sources. But after a turbine blade broke off the coast of ...

It was only a matter of time before AI companionship became a common, everyday reality, and here we are. While not all of us ...

Years of Suppression and Plagiarism of a Recognized Breakthrough: It is Time for Scientists and Leaders with Integrity to Endorse Funding the Inventor and Unlock the Full Potential for Cost-Effective ...

Pebble Time 2 is here! Explore its upgraded ePaper display, customizable backlight, and timeless design in this smartwatch revival.