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AURAL: Audible Ultrasonic Realistic Artificial Larynx

015-021-mills – Every year, thousands of people worldwide lose the ability to speak after undergoing a laryngectomy, typically for treatment of cancer. Patients will use an electro larynx to produce speech after this surgery but current devices suffer from many drawbacks such as a mechanical sounding voice, dedication of a hand, and an excess of sound leakage. Researchers at George Washington University... Read More

Method for Approximate Searching in Very Large Files

015-003-yammahi – This invention offers an efficient means of executing “fuzzy” or approximate searches in large information systems. Approximate search for information items in extremely large data files is a very challenging problem in computer science. In big data files such as those beyond terabytes, traditional methods like sequential search substantially undermine system performance. If a sequential... Read More

Cyber-Physical Stream Algorithm Device for “Big Data” Processing

015-019-alhudhaif – Researchers at The George Washington University have designed an analog device which implements a novel data stream algorithm they have developed to extract collections of prevalent information items from “Big Data” streams. This innovative method has been called the Cyber-Physical Stream Algorithm. Finding the most frequent items in “Big Data” streams is currently one of the major problems... Read More

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Intelligent ”Software-Defined-Storage”

015-005-berkovich – Researchers at George Washington University have addressed the challenges of “Big Data” by developing a qualitatively different approach to information processing (computing).  This invention is based on a new type of computational model that explicitly works with only a relatively small portion of the available data, while the rest of the data just implicitly affects the selection of the... Read More

Alternating Electrode Micro-cathode Thrusters for Nanospacecraft

013-033-keidar – As the name suggests, nanosatellites and microsatellites are significantly smaller and lighter than traditional satellites (between 1 kg and 100kg). With this shrinkage, the demands for alternative propulsion systems as well as maximum fuel efficiency are extremely important. Pulse plasma metal electrode micro-arc cathode thrusters (µCAT) have emerged as a good alternative to... Read More

High-Fidelity Simulator for Male Genital Disorders

015-002-batra – The sensitive nature of male genital disorders and the intimidating surgical equipment used to treat them causes anxiety in the medical professionals responsible for treatment. Training physicians via the see one, do one approach remains a challenge, because the procedures are infrequently performed. However, the incidence of these genital disorders is high enough that practitioners should... Read More

Precision Firing Control of Pulsed Plasma Thrusters

014-044-haque – Precision timing control of thruster operation of a spacecraft employing electric propulsion methods (e.g., pulsed electromagnetic plasma thrusters) is vital for space missions, and also difficult to achieve. When a thruster fires longer (or more powerfully), or shorter (or less powerfully), than required, or is fired in imprecise synchronization with other thrusters, an error can be... Read More

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Compact ultra-low power 2x2 Photonic Switch on Silicon

014-042-sorger – Researchers at George Washington University recently invented an optical switching technology for future photonics network-on-chip (NOC). This invention enables compact, cost-effective  two orders of magnitude increases in bandwidth and dramatically more energy-efficient communication between CPU’s compared to traditional electrical interconnects.  Photonics-based communication is the... Read More

Figure 1: One-pot synthesis of ammonia without CO2: The synthesis is via the electrolysis of steam to H2 in molten hydroxide, adsorption of this H2 with N2 from air onto the catalyst, rearrangement and release of ammonia. The electrolysis energy is temperature and pressure dependent, decreasing rapidly at a high reactant to product ratio

A simple, one-pot chemistry to produce ammonia from air and water without emitting carbon dioxide

014-025-licht – Ammonia (NH), primarily used in production of fertilizers, is one of the most commonly synthesized chemicals.  The traditional Haber-Bosch process for manufacturing NH is energy-intensive and because it uses natural gas as the source of hydrogen, consumes 3-5% of the world’s natural gas production and emits 200 million tons of COannually. GW researchers discovered an entirely novel... Read More

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Highly Sensitive Gas Sensor Using Plasmonic Antennas

014-040-mehta – Current sensors that can detect specific molecules in the air are limited by drastic decreases in sensitivity when sensing elements are functionalized to detect different molecules.  In addition, these sensors are costly and lack portability because of elements such as chip heaters or UV sources.  A portable sensor that possess both high sensitivity and selectivity would be useful,... Read More

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