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 ...

While we may have gotten away with high-volume, high-intensity training and minimal recovery in our twenties, we lose some of that flexibility as time goes on. Gone are the days when we could down a ...

Microsoft Edge is pretty good at reading PDFs. If you are interested in basic reading, then Edge will suffice. That being said, Windows is all about the freedom of deciding what you want to use, so if ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

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 ...

ABSTRACT: With the rapid development of global economic integration and digital technology, the transportation system, as a core component of the supply chain, has become a key factor influencing the ...

Method acting, the practice of experiencing a role as opposed to merely representing it, has been maligned and venerated in equal measure. Many famous and flashy performances exist by virtue of actors ...

Abstract: An adaptive spherical simplex radial cubature information filter-based phase unwrapping (ASSRCIFPU) method is introduced. First, the ASSRCIF method with adaptive adjustment of observation ...

Roughly, we will cover the following topics (some of them may be skipped depending on the time available). Linear Programming: Basics, Simplex Algorithm, and Duality. Applications of Linear ...

Only about one-third of elementary school students in the U.S. are reading at grade level, according to the recent National Assessment of Educational Progress. In response, many schools are rethinking ...

While Adobe Acrobat offers more advanced tools for the pros, PDF Expert’s features are more than enough for most users, with little to ask for beyond these core functionalities. The app is intuitive ...