Oceanography

available technology

Bacteria-based gas generator

Disclosed is an apparatus having: a pressure chamber and a gas-producing microorganism within the chamber. The pressure chamber is capable of maintaining a gas pressure of at least 0.5 psi above atmospheric pressure.
available technology

Ballistic missile phase categorization technique

A computer-implemented analysis method is provided for identifying a flight trajectory of a bogey relative to earth's surface. The method includes a first step of obtaining first and second altitudes and velocities of the bogey separated by a first time interval. The second step calculates a first...
available technology

Ballistic performance simulator

Rocket/Missile flight simulation requires the thrust-versus-time profile of a rocket motor conditioned to a specific temperature. The use of program, preferably carried in an Excel spreadsheet, is disclosed to instantly generate interpolated thrust-versus-time profiles of any rocket motor, at any...
available technology

Battery charging arrangement for unmanned aerial vehicle utilizing the electromagnetic field associated with utility power lines to generate power to inductively charge energy supplies

A method and apparatus for charging energy supplies in an unmanned aerial vehicle (UAV). The present invention relates to a UAV that comprises an inductive charging device that utilizes the electromagnetic field emanated by overhead/utility power lines, to charge the energy supplies. The UAV also...
Bend and Twist Sensing Optical Fiber
available technology

Bend and Twist Sensing Optical Fiber

NRL has developed a method for concurrently measuring bending and twisting along an optical fiber, using only the properties of light guided within the fiber. The NRL method exploits polarization dependent reflectivity from fiber Bragg gratings (FBGs) in a centrally located core. This polarization-...
available technology

Blue Dysprosium Laser

A quasi-three level laser system having crystalline YAG or YLF doped with trivalent Dysprosium can be pumped with a laser diode in the UV, and produce a pulsed laser blue emission from the 4 F 9/2 energy level at 490 nm, a red emission at 660 nm, or a yellow emission at 570 nm. The system can...

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