Puzzles are a hands-on way to explore simpler and complex mathematical relationships, for everyone from kids to calculus students.

"We show that this design can, in principle, find half of all existing Earth-like planets orbiting sun-like stars within 30 light-years in less than three years." When you purchase through links on ...

Abstract: This paper proposes an automatic region-based layout optimization method for substation main wiring diagrams using a improved genetic algorithm. The method addresses the problems of low ...

In the R programming language, the de facto standard framework for drawing rectangular coordinates is ggplot2. The most important feature of ggplot2 is that it is object-oriented and uses the plus ...

As a person with a chronic illness, I'm no stranger to bloodwork. I used to pore over my lab results, googling the various meanings, and trying not to panic when a test fell out of range. Function ...

In Part 1, we introduced the phased array concept, beam steering and array gain. In Part 2, we presented the concept of grating lobes and beam squint. In this section, we begin with a discussion of ...

Your working memory, cognitive flexibility, and self-regulation are core components of executive function (EF), an interrelated set of mental skills that lay the foundation for advanced cognitive ...

Imagine a cartoonist drawing a watch. It might have a couple lines for the hands, a couple lines for the strap and a circle for the case. But what if it were squarish? You probably wouldn’t give it a ...

Lizzie is a graphical interface allowing the user to analyze games in real time using Leela Zero. You need Java 8 or higher to run this program. See the Wiki for learning more. Just follow the ...

Despite the overall ease of controlling a car, the statistics still show many drivers get into accidents. Although it’s not always the fault of the person behind the wheel, people can often trip over ...