A cut above: why the Diamond Condo is NYC’s brightest gem

In the heart of NYC’s Financial District, a nineteenth-century gem has been cut and polished into the city’s most exclusive ...
History Today

‘Elves and Fairies’ by Matthias Egeler review

In Elves and Fairies: A Short History of the Otherworld, Matthias Egeler follows the huldufólk from the wild places of ...
archive

Traditions & encounters : a global perspective on the past

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...
IEEE

An Analytical Approach for Dealing With Explicit Physical Constraints in Excitation Optimization Problems of Dynamic Identification

Abstract: Generating optimal excitation trajectories is crucial for ensuring that the observation matrix is well conditioned in robot dynamic identification. This task is a typical optimization ...
IEEE

Three-Dimensional Approach Angle Guidance Under Varying Velocity and Field-of-View Limit Without Using Line-of-Sight Rate

Abstract: In this article, a practical three-dimensional (3-D) guidance is designed to achieve trajectory constrained flight, i.e., arriving at the destination with desired approach angles under ...
Christianity.com

How Should Christians Approach the New Year?

While many people are deciding how to celebrate on December 31 and figuring out their New Year’s resolutions, what should Christians be doing? There might not be one “right” way to observe the ...