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SUBSTANTIALLY SHORTENED TIME TO GERMINATE SEEDS, IMPROVED RATE OF GROWTH OF YOUNG PLANTS, MORE MASSIVE AND RAPID ROOT GROWTH WITH RESULTANT GREATER DRY WEIGHT IS ACHIEVED BY SUBJECTING SEEDS AND PLANT SPECIMENS TO FREQUENT CHANGES IN ATMOSPHERIC PRESSURE. THESE PRESSURE CHANGES ARE WITHIN THERANGE OF ATMOSPHERIC BAROMETRIC VARIATIONS. ENVIRONMENTAL CHAMBERS OF RELATIVELY SIMPLE CONSTRUCTION WITH A ...

Micrometeor and Orbital Debris (MMOD) impacts on spacecraft and large space structures are a significant hazard that can compromise mission success and threaten to endanger the lives of crew. Acoustic emission (AE) signals and impact shock generated by MMOD impacts can be detected by an array of inexpensive, replaceable, wireless surface sensor units affixed to the external surfaces of the spacecr ...

High sensitivity HgCdTe infrared arrays operating at 77K can now be tailored in a wide range of wavelengths from 1 to 14 microns. However, due to the cooling requirements, they consume large amounts of power and are bulky and unsuitable for many NASA applications. During Phase I, we demonstrated the feasibility of employing dark current skimming to increase the operating temperature of HgCdTe mid ...

High sensitivity HgCdTe infrared arrays operating at 77K can now be tailored in a wide range of wavelengths from 1 to14 um. However, the cooling requirements make them bulky and unsuitable to be incorporated into robust autonomous sensor systems. We propose to develop detectors with high detectivity that operates at or near room temperature in the MWIR (3 to 5 um) and LWIR (8 to 12 um) atmospheri ...

CU Aerospace and team partner, the University of Illinois at Urbana-Champaign, propose to perform innovative research and development that targets the design and control of adaptive bioassistive and telerobotic devices - ABATRODs - that augment normal musculoskeletal function in rapidly changing and disruptive environments while providing predictable response. ABATRODs accommodate fast changes in ...

The NASA vision for the spaceport of the future entails the transition over time from very high-cost, research oriented space launches with a relatively low frequency of launches to an environment where spaceports are commercialized for the space transportation industry and are required to support multiple launches per day in a safe, cost-effective manner. The spaceport of the future may resemble, ...

The NASA vision for the spaceport of the future entails the transition over time from very high-cost, research oriented space launches with a relatively low frequency of launches to an environment where spaceports are commercialized for the space transportation industry and are required to support multiple launches per day in a safe, cost-effective manner. The spaceport of the future may resemble, ...

This Phase I program proposes to synthesize novel nanoengineered ultra low out gassing elastomers and formulate high temperature capable flexible thermal control coatings as well as adhesives based on the proposed chemistries that are stable in various space environments. We have envisioned nano-engineered clusters and the innovative synthesis of the poly carborane-polysiloxanes, to surpass the pe ...

We propose to develop a high-efficiency, triple-junction, epitaxial lift-off (ELO) solar cell by incorporating quantum dots (QDs) within the current-limiting subcell. We intend to leverage existing QD epitaxy processes developed by the Rochester Institute of Technology and combine this with MicroLink's expertise in multi-junction cell growth and ELO technology. We will employ QDs to enhance ...