Litteratursociologi - et tilbageblik

Litteratursociologi - et tilbagebli

Low Mass Printable Devices for Energy Capture, Storage, and Use

The energy-efficient, environmentally friendly technology that will be presented is the result of a Space Act Agreement between NthDegree Technologies Worldwide, Inc., and the National Aeronautics and Space Administration's (NASA's) Marshall Space Flight Center (MSFC). The work combines semiconductor and printing technologies to advance lightweight electronic and photonic devices having excellent potential for commercial and exploration applications. Device development involves three projects that relate to energy generation and consumption: (1) a low-mass efficient (low power, low heat emission) micro light-emitting diode (LED) area lighting device; (2) a low-mass omni-directional efficient photovoltaic (PV) device with significantly improved energy capture; and (3) a new approach to building super-capacitors. These three technologies, energy capture, storage, and usage (e.g., lighting), represent a systematic approach for building efficient local micro-grids that are commercially feasible; furthermore, these same technologies, appropriately replacing lighting with lightweight power generation, will be useful for enabling inner planetary missions using smaller launch vehicles and to facilitate surface operations during lunar and planetary surface missions. The PV device model is a two sphere, light trapped sheet approximately 2-mm thick. The model suggests a significant improvement over current thin film systems. For lighting applications, all three technology components are printable in-line by printing sequential layers on a standard screen or flexographic direct impact press using the three-dimensional printing technique (3DFM) patented by NthDegree. One primary contribution to this work in the near term by the MSFC is to test the robustness of prototype devices in the harsh environments that prevail in space and on the lunar surface. It is anticipated that this composite device, of which the lighting component has passed off-gassing testing, will function appropriately in such environments consistent with NASA s exploration missions. Advanced technologies such as this show promise for both space flight and terrestrial applications

[Papers of the Jacobson-Schule in Seesen]; undated, 1829-1976

The collection combines various documents pertaining to the school’s actuality and the diversity of its students from its earliest days in the early 19th century to its 175th anniversary in 1976. These documents appear in their originals, in photocopies, or in transcripts. Also included are typescripts, clippings and brochures.Copies from the library catalog for subject matters of theology, religion, and ideology in the library of the Jacobson school in Seesen, in 1880 may be found in DM 123.The ‘Jacobson Schule’ was founded 1801 by Israel Jacobson as a Jewish vocational school in the town of Seesen in Lower Saxony, Germany. In 1862 is was transformed into a Prussian high school.Two photographs have been removed to the LBI Photograph Collectiondigitize