Abstract: The terminal antenna with dual-circular polarization reported here operates around 20 and 30 GHz, that is, in the down- and uplink frequency bands of current satellite communication systems.

Originally written for my game Scraps but intended to be general-purpose. There are two octree implementations here: BoundsOctree stores any type of object, with the object boundaries defined as an ...

There are myriads of JSON libraries out there, and each may even have its reason to exist. Our class had these design goals: Intuitive syntax. In languages such as Python, JSON feels like a ...

Habitat, a mixed-use project in Culver City, Calif., includes 260 multifamily units alongside a 253,000-square-foot office building. The project, which topped out last December, secured a $155.5 ...

Today, the United States leads the world in generative AI. Its frontier labs set the pace in model development, U.S. firms control more than half of the world’s AI accelerators, and U.S. capital ...

DNA is being used to engineer an increasing array of biochemical memory devices, both in vitro and in vivo 1. To date, three broad classes of DNA-based memory platforms can be identified: bit memory, ...

Recent years have seen the rapid growth of new approaches to optical imaging, with an emphasis on extracting three-dimensional (3D) information from what is normally a two-dimensional (2D) image ...

The ban on single-use plastic bags in Kenya was prefaced by vigorous sensitization campaigns undertaken by various international bodies like UNEP's Environment's Global Plastics Platform. These ...

If you usually work with non-trivial C sources, you may have wondered which execution path (that is, which sequence of function calls) brought you to a certain point in your program. Also, it would be ...