IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This white ceramic rule is stored in ...

Abstract: Empirical formulas are proposed for the superdirectivities of broadside linear and square arrays. The formulas are derived based on a large amount of numerical results of optimum directivity ...

Abstract: Square coils with a high magnetic field uniformity have a wide range of applications. This article innovatively proposes a hybrid design optimization method for uniform magnetic field coils.

And while we know a lot about these pyramids, new discoveries are being made all of the time thanks to advances in technology and the addition of other scientific tools. However, there are some people ...

A majestic row of five circular pyramids known as yácatas dominates a promontory overlooking Lake Pátzcuaro in the western Mexican state of Michoacán. Embodying the former might of the Purépecha ...