AFH EpiCenter Boston
AFH or afh may refer to: * Adaptive frequency-hopping spread spectrum, a radio technology * Adult foster home, residence for elderly or physically disabled adults * Afrihili language (ISO 639-3 code: afh) * Angiomatoid fibrous histiocytoma, a human tumour * Architecture for Humanity, a charitable organization * Action for Happiness Action for Happiness (AfH) is a global movement and charity based in the United Kingdom. It aims to increase the happiness in the world by bringing together people and supporting them to take practical action to build a happier society. The pat ...

Adaptive Frequency-hopping Spread Spectrum
Frequency-hopping spread spectrum (FHSS) is a method of transmitting radio signals by rapidly changing the carrier frequency among many distinct frequencies occupying a large spectral band. The changes are controlled by a code known to both transmitter and receiver. FHSS is used to avoid interference, to prevent eavesdropping, and to enable code-division multiple access (CDMA) communications. The available frequency band is divided into smaller sub-bands. Signals rapidly change ("hop") their carrier frequencies among the center frequencies of these sub-bands in a predetermined order. Interference at a specific frequency will affect the signal only during a short interval. FHSS offers four main advantages over a fixed-frequency transmission: # FHSS signals are highly resistant to narrowband interference because the signal hops to a different frequency band. # Signals are difficult to intercept if the frequency-hopping pattern is not known. # Jamming is also difficult if the p ...
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Foster Care
Foster care is a system in which a minor has been placed into a ward, group home ( residential child care community, treatment center, etc.), or private home of a state-certified caregiver, referred to as a "foster parent" or with a family member approved by the state. The placement of the child is normally arranged through the government or a social service agency. The institution, group home, or foster parent is compensated for expenses unless with a family member. In some states, relative or "Kinship" caregivers of children who are wards of the state are provided with a financial stipend. The state, via the family court and child protective services agency, stand '' in loco parentis'' to the minor, making all legal decisions while the foster parent is responsible for the day-to-day care of the minor. Scholars and activists are concerned about the efficacy of the foster care services provided by NGOs. Specifically, this pertains to poor retention rates of social workers ...
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Afrihili Language
Afrihili (''Ni Afrihili Oluga'' 'the Afrihili language') is a constructed language designed in 1970 by Ghanaian historian K. A. Kumi Attobrah (Kumi Atɔbra) to be used as a lingua franca in all of Africa. The name of the language is a combination of ''Africa'' and ''Swahili''. The author, a native of Akrokerri (Akrokɛri) in Ghana, originally conceived of the idea in 1967 while on a sea voyage from Dover to Calais. His intention was that "it would promote unity and understanding among the different peoples of the continent, reduce costs in printing due to translations and promote trade". It is meant to be easy for Africans to learn. Source languages Afrihili draws its phonology, morphology and syntax from various African languages, particularly Swahili and Akan (Attobrah's native language). The lexicon covers various African languages, as well as words from many other sources "so Africanized that they do not appear foreign", although no specific etymologies are indicated ...
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Angiomatoid Fibrous Histiocytoma
Angiomatoid fibrous histiocytoma (AFH) is a rare soft tissue cancer that affects children and young adults. On November 16, 2020, US MasterChef Junior participant Ben Watkins died from the disease at the age of 14. Pathology It is characterized by cystic blood-filled spaces and composed of histiocyte-like cells. A lymphocytic cuff is common. It often simulates a vascular lesion, and was initially described as doing this. AFH typically has a chromosomal translocation involving the ATF1 gene -- t(12;16) FUS/ATF1 or t(12;22) EWS/ATF1. Diagnosis Treatment See also * Granulomatous inflammation * Vascular tumor A vascular tumor is a tumor of vascular origin; a soft tissue growth that can be either benign or malignant, formed from blood vessels or lymph vessels. Examples of vascular tumors include hemangiomas, lymphangiomas, hemangioendotheliomas, K ... References External links Soft tissue disorders {{oncology-stub ...
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Architecture For Humanity
Architecture for Humanity was a US-based charitable organization that sought architectural solutions to humanitarian crises and brought professional design services to clients (often communities in need). Founded in 1999, it laid off its staff and closed down at the beginning of January 2015. Since then, the 59 US-based architecture for humanity chapters (which were already operating more or less in a self-sufficient manner even before Architecture for Humanity closed down) formed the Open Architecture Collaborative and vowed to continue. It could thus be argued that despite the closing of the main office, the movement that Architecture for Humanity represented has indeed been strengthened, and not weakened, as it has forced the chapters to operate truly self-sufficiently, and cooperate more directly with the other chapters. History The organization was founded on April 6, 1999, by Cameron Sinclair and Kate Stohr in response to the need for immediate long-term shelter for retur ...
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