They appear in a very natural manner in many areas of mathematics and physics. On a differential manifold or more generally on a geodesic metric space, one investigates geometric and analytic ...

Bookshop, a site that lets independent, bricks-and-mortar bookshops sell their books online, is launching an app that will allow the sales of e-books, too. By Alexandra Alter When Andy Hunter ...

Geometric Dimensioning and Tolerancing (GD&T) is a symbolic language used in engineering and manufacturing ... He spends a lot of his free time flipping through books and learning about a plethora of ...

As an avid reader of art books, I’m especially excited to dive into these titles—they promise to inspire, challenge and deepen our understanding of art and its enduring impact. Whether you ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...