Basic Allowance for Subsistence (BAS) pays for the cost of a military member's meals when dining at their permanent duty station. Although BAS is meant to offset the cost of a member's meals, it doesn ...

For many years, cesium atomic clocks have been reliably keeping time around the world. But the future belongs to even more accurate clocks: optical atomic clocks. In a few years' time, they could ...

Optics and photonics is the study of the fundamental properties of light and harnessing them in practical applications. Optics and photonics covers the entire electromagnetic spectrum from high-energy ...

Integrated optics is a system of light-controlling components combined into a single device. The ultimate aim is to create miniature optical circuits similar to the silicon chips that have ...

Red dot sights have proliferated into every corner of the firearms world in recent years and, today, they are better than ever. These non-magnified optics, which use a battery to project a luminous ...

Pupil dilation provides a physiological readout of information gain during the brain's internal process of belief updating in the context of associative learning.

The Hitachi FB-2000A FIB uses a beam of focused high-energy (30 kV) gallium ions to remove material in a very controlled manner from inorganic specimens. The FB-2000A is a single beam system; that is, ...

OpticsPlanet is an online solution for shoppers in the market for outdoor and tactical gear. The company offers free shipping on orders of more than $49 to anywhere in the contiguous United States.

Unless you already have Octave installed, please install it from the repositories of your operating system. Otherwise follow the download instructions for your ...

I have moved all the original BASIC source code into a folder for each project in the original book (first volume). Note that Lyle Kopnicky has generously normalized all the code (thanks Lyle!) to run ...