Five years ago, mathematicians Dawei Chen and Quentin Gendron were trying to untangle a difficult area of algebraic geometry involving differentials, elements of calculus used to measure distance ...

The original version of this story appeared in Quanta Magazine. In 1939, upon arriving late to his statistics course at UC Berkeley, George Dantzig—a first-year graduate student—copied two problems ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

The leading approach to the simplex method, a widely used technique for balancing complex logistical constraints, can’t get any better. In 1939, upon arriving late to his statistics course at the ...

Abstract: A loss minimization method based on three-phase asymmetric control is proposed for doubly salient electromagnetic generator (DSEG) systems. The three-phase magnetic circuit of DSEG is ...

Entrepreneurs who build successful businesses often possess a unique ability to see what others don't—the critical bottlenecks hiding in plain sight that create frustration, inefficiency, and lost ...

If you want to accentuate the importance of a problem, it seems sensible to explain how prevalent it is. Lots of people are at risk of Alzheimer’s disease. Lots of women carry a gene that makes them ...

Many Democrats were deeply relieved when Joe Biden finally withdrew from the presidential race. Yet few can argue the current presidential candidates are the two most qualified Americans for the job.

We explore some of the tech challenges faced by educators. By Natasha Singer I cover technology in schools. As the new school year begins, school districts across the United States are cracking down ...