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IN view of the preference in America for the modified searchlight type and in Europe for beacons using dioptric systems, it is of interest to consider the advantages of each type. It will be assumed that the most desirable form of vortical distribution curve of the light is known and as a concrete example, the form given in Fig. 1 has been taken. Now this curve may represent a vertical section through the beam from—

IT is sometimes suggested with regard to aerial light beacons that when the weather is clear they are unnecessary in populous country, and when the weather is foggy the lights cannot be seen, and therefore are of little use under any conditions. This statement does not, of course, represent the true facts of the case, but it does indicate the vital importance of a study of the various questions relating to the transmission of light to great distances.

The level of trust in a service provider is an important decision factor when buying industrial services. Especially, the outcome uncertainties of services, its individuality, and asymmetric information between buyer and seller are some reasons that the evaluation of trust is a key component in service trading. Consequently, searching of potential new suppliers involves examining providers’ trustworthiness. This paper focuses on the study of online trust signals used by buyers, to assess provider’s trustworthiness in the context of industrial services. The main research objective is to propose the basis for a digital tool, which helps buyers to assess provider’s trustworthiness by providing a “standardized trustworthiness signal description” and “trust functionalities.” A particular approach is used, wherein different methods are mixed such as a case study, expert interviews, and a quantitative method following the guideline of the design science paradigm. The aim is to propose a useful tool for trustworthiness assessment to enhance e-markets for industrial services.

Homestay is an alternative product to mass tourism where tourists are accommodated with local family allowing the tourist to learn local culture and lifestyle. The changing tourists' preferences influence the phenomenon of this accommodation trend for unique experiences, increasing competition in the market, and the rapid development in communication technology. This paper aims to observe the current state of the homestay situation in Brunei. This research utilized qualitative in-depth semi-structured interviews with a total sample of 23 respondents consisting of homestay operators, local community and tourism officers. The findings are that homestay in Brunei experienced issues with licensing and standards due to unending bureaucracy and unclear instructions, an elusive search of successors for long-term sustainability, and issues on participatory management within the community. This paper contributes valuable insights to developing strategies for the sustainability of homestay tourism, particularly for the stakeholders involved, such as homestay operators, policymakers and tourism practitioners.

This study empirically tested the Sport Website Acceptance Model (SWAM), proposed by Hur, Ko and Claussen (2007). The SWAM added Perceived Enjoyment (Davis et al, 1992) and Perceived Trustworthiness (Belanger et al, 2002) to the two factors Perceived Ease of Use and Perceived Usefulness used in the Technology Acceptance Model (TAM) (Davis, 1989). This study proposes a competing model to the original SWAM and compares this by incorporating two additional constructs, Sport Involvement (Shank & Beasley, 1998) and Psychological Commitment to a Team (Mahony et al, 2000). Structural equation modeling analyses revealed acceptable model fits, both in the original SWAM and in the competing model. Subsequent analyses led the authors to conclude that the competing model was the better version of the SWAM.

THE British Committee was formed in June, 1929, in compliance with the recommendations of the International Commission on Illumination when at Saranac, New York, U.S.A., in September, 1928. This Committee was representative of all the interests connected with civil aviation, including the Air Ministry, the operating companies and the manufacturers of aviation equipment. In view of the novelty of the subject, it was felt that a paper collecting the data which had been discussed by the Committee during its numerous meetings, and also discussing the fundamental considerations which have to be borne in mind in designing equipment, would not be without value.

The general trend in aero‐lighting apparatus which is purely illuminative seems rather towards improvement of existing types than to the evolution of larger or novel types, an illustration of which is landing floodlight apparatus as usually marketed. This has been developed to a point where 10 kw. filament lamps and dioptric lenses are Used with an approximate beam intensity of 700,000 c.p. It seems that this type of unit will, except for modifications and improvements, continue to be the standard landing floodlight. The fourth order, 500 mm., dioptric lens floodlight, using a 5 kw. lamp with a beam intensity of 160,000 c.p. approximately, is being developed for aerodromes in countries where atmospheric conditions are more favourable than England, e.g., Mesopotamia, South Africa.

The ability to develop and maintain an effective network is an entrepreneurial competency. There are differences in female social networks' features as well as in the way of expanding it comparing to men's. But, there is little attention to female entrepreneurs' networks. This chapter focuses on the dynamics of female entrepreneurs' networks at different stages of the business life cycle. A qualitative study was conducted on a sample of Iranian female entrepreneurs in the trade sector situated in Tehran. The results of data analysis of 10 semi-structured interviews show a considerable change in networking activity over time. Although the most important role of networking for women entrepreneurs in both early-stage and established businesses is to achieve opportunities, information, and resources. Also, the combination of female entrepreneurs' networks is most male-dominated. And the main challenge of networking in the early-stage is being female, while it becomes rather an advantage for established ones. Finally, Iranian female entrepreneurs become more aware of networking benefits over time.

The Nanoscience Project at Hampton University (NanoHU) responds to the international call for more workers in the field of science, technology, engineering, and mathematics (STEM) who are nano-savvy and prepared for engagement in the fourth industrial revolution. The project’s initial intent to answer statewide and national initiatives was congruent with Hampton University’s (HU) desire for increased diversification of research interests across HU and enhanced the preparation of its students for doctoral degrees. Funded by the National Science Foundation, the five-year project (2012–2017) purposed to develop and systematically implement an integrated, multidisciplinary STEM research and education program in nanoscience at HU. Evidence of NanoHU’s success is demonstrated in the following accomplishments at the University: (1) a new Nanoscience Minor, (2) a new “Introduction to Nanoscience” course that has had a total enrollment of 82 students from STEM and non-STEM fields, (3) the NanoHU Scholars Program that has prepared 23 Scholars for entry into graduate programs and 12 NanoHU Fellows for similar pursuits, (4) a Faculty Development Program that has supported a total of 20 STEM and non-STEM faculty members, (5) a NanoHU Seminar Series that has informed the HU community about the science, business, legal, and ethical topics pertaining to nanoscience and nanotechnology, and (6) a viable outreach program that has prepared high school students (NanoHU Pioneers) for successful matriculation as STEM majors at the college level and stimulated STEM interest in the surrounding community. It is worth emphasizing that execution of the project also resulted in engagement between STEM and non-STEM constituents of the University, establishing a platform for a formal science, technology, engineering, arts, and mathematics (STEAM) institutional initiative. Efforts to communicate the importance of nanoscience to the HU community through seminars resulted in an infusion of nanoscience modules in STEM and non-STEM courses including courses in English, Journalism, Ethics, and other pre-law courses. Although NanoHU is specific to the needs of HU, its collaborative construct promises to be an innovative model for STEM and STEAM programs at other institutions with a similar construct.