Complete guide to Mount Rushmore National Memorial in South Dakota including things to see, how to get to the park, lodg ...

The iOptron SkyGuider Pro is a heavy-duty style of star tracker mount, whilst being small enough to fit in the palm of your ...

There are no traffic lights, no high-rises, no beaches, and no crowds on tiny Saba. Instead, you’ll find misty mountains, ...

There are no traffic lights, no high-rises, no beaches, and no crowds on tiny Saba. Instead, you’ll find misty mountains, ...

Written by Sharon Wilson Purdy, Planetary Geologist at the Smithsonian National Air and Space Museum Earth planning date: ...

In this article, a novel method is presented to exactly discretize the state-space model of surface-mounted permanent magnet synchronous machines (PMSMs) that are equipped with an inductive-capacitive ...