Abstract:
A reflector array is disclosed herein that provides a controlled region or regions of plasma breakdowns from a laser beam produced at a remotely-based laser source. The plasma may be applied to produce thrust to propel a spacecraft, or to diagnose a laser beam, or to produce shockwaves. The spacecraft propulsion system comprises a reflector array attached to the vehicle. The reflector array comprises a plurality of reflectors spaced apart on a reflective surface, with each reflector acting as an independent focusing mirror. The reflectors are spaced closely together to form a continuous or partially-continuous surface. The reflector array may be formed from a sheet of reflective material, such as copper or aluminum. In operation, a beam of electromagnetic energy, such as a laser beam, is directed at the reflectors which focus the reflected electromagnetic energy at a plurality of regions off the surface. The energy concentrated in the focal region causes a breakdown of the air or other fluid in the focal region, creating a plasma. Electromagnetic energy is absorbed in the plasma and it grows in volume, compressing and heating the adjacent fluid thereby providing thrust. Laser pulses may be applied repetitively. After each such thrust pulse, fresh air can be introduced next to the surface either laterally, or through a perforated surface. If air or some other gas or vapor is supplied, for example from a tank carried on board a vehicle, this invention may also be used to provide thrust in a vacuum environment.
Abstract:
Methods, apparatuses, computer program products, devices and systems are described that carry out accepting at least one request for personal information from a party to a transaction; evaluating the transaction; and negotiating presentation of at least one persona to the party to the transaction at least partly based on an evaluation of the transaction.
Abstract:
Structures and protocols are presented for facilitating a search partly based on a movement status of a search-capable device or on a position of a person's limb or on an association with another search-capable device.
Abstract:
An electrochemical device (such as a battery) includes at least one electrode having a fluid surface and one or more sensors configured to detect an operating condition of the device. Fluid-directing structures may modulate flow or retain fluid in response to the sensors. An electrolyte within the device may also include an ion-transport fluid, for example infiltrated into a porous solid support.
Abstract:
A system for documenting an accident includes a vehicle that includes a transceiver device and a processing circuit. The processing circuit is configured to receive data from a collision detection device of the vehicle, determine, based on the received data, that an accident is impending or occurring involving the vehicle, generate a request for a nearby vehicle, and transmit, via the transceiver device, the request to the nearby vehicle. The request is for the nearby vehicle to illuminate a region associated with the accident, actively acquire data related to the accident, and record actively acquired data related to the accident.
Abstract:
Systems and methods for operation of an AC power supply distribution circuit that has a limited supply capacity rely on dynamically measured available load capacity to regulate operation of the AC power supply circuit, and existing and potential loads, to avoid fault or damage.
Abstract:
A described system includes a feature matching circuit that determines a correspondence between a present-location landmark subsurface feature of a body part of an individual patient and a candidate reference landmark subsurface feature of the individual patient body part. The present-location landmark subsurface feature has a first spatial relationship to a distal end portion of a body-insertable device deployed in the individual patient. The candidate reference landmark subsurface feature has a second spatial relationship to a particular selected target region of interest of at least two selected target regions of interest. An event data circuit generates data indicative of a proximity event that includes the distal end portion of a body-insertable device being proximate to the particular target region of interest. A list management circuit adds the proximity event to a proximity event list. A computer-readable media maintains informational data corresponding to the proximity event list.
Abstract:
Described embodiments include a device, a system, and a method. A described device includes a closed-cycle heat transfer device. The device includes a thermal management system adapted for dissipating heat generated by transmission lines of a power transmission system in use to transport electric power from one place to another. The system includes a heat-dissipation device and a transmission-line temperature manager. The heat-dissipation device includes a heat-acquisition element configured to absorb heat from a portion of a live transmission line of the power transmission system. The heat-dissipation device includes an assembly of one or more controllable fins thermally coupled to the heat-acquisition element and configured to dissipate at least a portion of the heat absorbed by the heat-acquisition. The transmission-line temperature manager is configured to control an aspect of the assembly of one or more controllable fins.
Abstract:
A method of gaming is generally described which includes detecting motions associated with the user by a feedback sensor device and providing motion information from the feedback sensor device to the game device. The method also includes providing a vestibular stimulation signal to a user, by a vestibular stimulation device in communication with a game device in response to the motion information and the game content.
Abstract:
Systems, devices, methods, and compositions are described for providing an x-ray shielding system including a flexible layer including a support structure having a plurality of interconnected interstitial spaces that provide a circulation network for an x-ray shielding fluid composition.