968 research outputs found

    A Good Idea is Not Enough: Understanding the Challenges of Entrepreneurship Communication

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    This paper addresses a less-investigated issue of innovations: entrepreneurship communication. Business and marketing studies demonstrate that new product development processes do not succeed on good technical invention alone. To succeed, the invention must be appropriately communicated to a market and iterated through dialogue with potential stakeholders. We explore this issue by examining communication-related challenges, abilities and barriers from the perspectives of innovators trying to enter an unfamiliar, foreign market. Specifically, we summarize results of a set of studies conducted in the Gyeonggi Innovation Program (GIP), an entrepreneurship program formed by a partnership between the University of Texas at Austin and Gyeonggi-Do Province in South Korea. Through the GIP, Korean entrepreneurs attempt to expand domestically successful product ideas to the American market. The study results demonstrate that these innovators must deal with a broad range of challenges, particularly (1) developing deeper understanding of market needs, values, and cultural expectations, and (2) producing pitches with the structure, claims and evidence, and engagement strategies expected by American stakeholders. These studies confirm that a deeper understanding of successful new product development (NPD) projects requires not only a culturally authentic NPD process model, but also communication-oriented research. The GIP approach offers insights into good programmatic concept and effective methods for training engineers to become entrepreneurs. Yet we also identify potential improvements for such programs. Finally, we draw implications for studying entrepreneurship communication.IC2 Institut

    Extravehicular activity at geosynchronous earth orbit

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    The basic contract to define the system requirements to support the Advanced Extravehicular Activity (EVA) has three phases: EVA in geosynchronous Earth orbit; EVA in lunar base operations; and EVA in manned Mars surface exploration. The three key areas to be addressed in each phase are: environmental/biomedical requirements; crew and mission requirements; and hardware requirements. The structure of the technical tasks closely follows the structure of the Advanced EVA studies for the Space Station completed in 1986

    Understanding the Value Proposition as a Co-Created Claim

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    In this paper, the authors examine five cases of technology commercialization in terms of how entrepreneurs advance a specific kind of claim: the value proposition. The value proposition can describe the characteristics of the innovation itself (Goods-Dominant Logic) or propose how the innovation will cocreate value with stakeholders (Service-Dominant Logic); in the examined cases, the value proposition transitions between these two "logics," addressing different needs in the ongoing argument. We conclude by discussing the needs that each "logic" serves and the implications for better understanding entrepreneurship communication.IC2 Institut

    Advanced extravehicular activity systems requirements definition study. Phase 2: Extravehicular activity at a lunar base

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    The focus is on Extravehicular Activity (EVA) systems requirements definition for an advanced space mission: remote-from-main base EVA on the Moon. The lunar environment, biomedical considerations, appropriate hardware design criteria, hardware and interface requirements, and key technical issues for advanced lunar EVA were examined. Six remote EVA scenarios (three nominal operations and three contingency situations) were developed in considerable detail

    SPAD based imaging of Cherenkov light in radiation therapy

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    During radiotherapy, X-ray beams induce Cherenkov light emission in tissue as part of the dose delivery. This light can be used for dosimetry, in order to track and image the dose as it happens. The Cherenkov light levels are in the range of 10−6 to 10−9 W∕cm2, which makes it challenging to detect in a clinical environment. However, because the radiation is pulsed in 4 microsecond bursts, time-gated acquisition of the signal allows for robust detection, even in the presence of ambient room lighting. Thus, imaging sensors for this application must be highly sensitive and must be able to time gate faster than a microsecond. In this study, the use of a solid-state detector composed of 64x32 single photon avalanche diodes (SPAD) was examined. The advantages of this technology were intra-chip amplification, superior X-ray noise rejection, and fast temporal gating of the acquisition. The results show that the SPAD camera was sensitive enough to detect Cherenkov radiation despite the 3% fill factor. 2D oversampling (x25) was also used to increase final image resolution to 320x160. In this work we demonstrate the SPAD camera performance in imaging Cherenkov emission from a tissue optical phantom and one patient undergoing radiotherapy. The SPAD camera sensors could be a viable alternative for Cherenkov imaging, as compared to current imaging methods that are mostly focused around image intensifier-based cameras and so have a range of non-linearities and instabilities which could be solved by an all solid-state camera sensor. Please click Additional Files below to see the full abstract
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