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Power from the Sun - Three Types of Solar Cells

10/26/2020

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As the chief executive officer of Medweb since 1992, Peter (Pete) Killcommons invented a process of viewing radiology results through the Internet. Peter Killcommons has several outside interests, such as the uses of photovoltaic or solar cells.

The process of converting photons from sunlight into electricity was pioneered in 1954 by Bell Laboratories. Over the years the technology has matured, with photovoltaic solar power now meeting a growing portion of the nation’s electricity needs. The devices can be classified into three types, depending on the materials from which they are made:

- Silicon. Most solar power installations use this element. The efficiency of silicon-based cells is matched by their cost-effectiveness, and they are massively deployed on rooftops or freestanding energy racks.

- Thin-film. Also in frequent use are thin sheets of semiconductor material, such as gallium diselenide. In layers only millionths of meters thick, thin-film technology is highly portable - for instance, it can provide power from a soldier’s backpack. Manufacturing these panels requires less energy than other methods and is easily scalable.

- III-V. This designation refers to the elements these panels consist of, Group III (indium or gallium) and Group V (arsenic and antimony). Offsetting their steep manufacturing costs is greater efficiency - the percentage of solar energy that is turned into usable electricity. They are most suitable for unmanned aerial vehicles and satellites, which need maximum energy in relation to weight.

Scientists and engineers at the National Renewable Energy Laboratory (NREL) are working on solar cells powered by organic and hybrid organic-inorganic materials. They are also striving to make the technology more durable and to integrate more easily with other energy sources.
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Telemedicine Is a Viable Health Care Solution in Africa

10/19/2020

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MEDWEB chief executive officer Dr. Peter “Pete” Killcommons has traveled throughout the world to promote the benefits of telemedicine and other medical technologies. Dr. Peter Killcommons has previously toured the West African island nation Cape Verde to support the country’s telemedicine infrastructure.

Cape Verde first introduced telemedicine services to its health care system in 2012. As a result, Cape Verdeans have enjoyed facilitated access to specialized treatment. Telemedicine services have also improved the ability of medical students and health care providers to engage in distance learning. The success of telemedicine in Cape Verde has a high potential for replication throughout the African continent.

By 2025, nearly 90 percent of Africans are expected to have access to smart devices and an Internet connection. Since this is all that is needed to receive telemedicine services, telemedicine can greatly expand health care access for millions of people in rural or remote areas. Telemedicine also improves the entire health care experience, as medical providers can more easily check in with patients who may otherwise face logistical obstacles to attending appointments.
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APOA Launches Online Skills Review for Pilots

10/9/2020

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As the CEO of Medweb, which he founded in 1992, Dr. Peter "Pete" Killcommons is responsible for running its emergency response, telemedicine, and radiology operations. Dr. Peter Killcommons is also a member of the American Owners and Pilots Association (AOPA), which works to improve piloting standards across the country.

The association has begun a series of webinars designed to help pilots develop and maintain their skills during the ongoing COVID-19 pandemic, which has grounded many flights across the country. The series, which launched on April 16, is hosted by AOPA You Can Fly member Keith West, alongside senior director of flight training Pablo Maurelia and flight training education senior director Chris Moser.

Each installment of the webinar series focuses on how pilots can enhance their flight skills while at home, with this including the use of flight simulators. Each episode also encourages AOPA members to ask questions regarding topics that interest them most, while also highlighting how to build confidence when using radio communications.
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Undergraduate Research Goes Online at Hawaii’s Chaminade University

10/1/2020

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An expert in remote-access radiology, Peter “Pete” Killcommons heads Medweb in San Francisco, California. One of Peter Killcommons’ service commitments is membership in the alumni association of Chaminade University, a Catholic institution in Honolulu, Hawaii.

With a student body of around 1,100, Chaminade operates over 25 programs for undergraduates and graduates. The emphasis on staying indoors during the COVID-19 pandemic prompted the school to convert its Undergraduate Summer Research Institute to digital-only access.

The annual event gives participants 10 weeks to research topics and meet with professors to learn about methodology. At the end of the sessions, students turn in their theses and present their findings to the group. They receive a $2,000 stipend.

The program is open to rising sophomores, juniors, and seniors who maintain at least a 2.5 grade point average. At least one semester must be left in their schedule, and Hawaiian natives are encouraged to submit applications. Preference is given to students in areas such as data science, chemistry, biochemistry, and biology.
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    Author

    Founder and Chief Executive Officer of Medweb, Dr. Peter Killcommons manages the operations of his company’s numerous divisions in medical imaging and philanthropy. ​

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