The tomb sits on a hillside with incredible views. You can see the Phoenix skyline in one direction and desert mountains in ...

Add Yahoo as a preferred source to see more of our stories on Google. I don't understand the new food pyramid. Then again, I didn't understand the old food pyramid, either. The pyramids were created ...

A prism has a constant cross-section throughout its length. When the cross-section is a triangle, the prism is called a triangular prism. When the cross-section is a hexagon, the prism is called a ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

The current situation requires a reliable, low-cost and high mobility wireless communication antenna structure [1]. They are manufactured by a metal patch mounted on a dielectric substrate in contact ...

Abstract: We present a systematic design method for a cylindrical conformal array of rectangular waveguide-fed metasurfaces. The conformal metasurface consists of multiple curved rectangular ...