Historical Development of the Coaxial Contra-Rotating Propeller
The contra-rotating propeller (CRP) is one of the most fascinating propulsion systems in aviation. In one form or another it has been around for over 100 years.…
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ISABE – 50 Years Revolution…..again!
ISABE started 50 years ago when the ICAS (International Council of Aeronautical Sciences) community identified the need for a bespoke propulsion forum and conference.
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The Aeronautical Journal – 125 years not out
The first edition of The Aeronautical Journal predates the first human powered flight by the Wright brothers by some five years. Even back then it knew that there was to be a rich future for man in flight to come.
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Comparison of Structural Model Reduction Methods Applied to a Large-Deformation Wing Box
Much effort is currently being devoted to reducing the environmental effect of commercial jet aircraft, but this is not simply a case of replacing kerosine with synthetic fuels, batteries or hydrogen propulsion. A great deal of research needs to be focused on new air vehicle designs that will lead to emissions-free (not just C02) flight.
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The Light Beyond the Clouds
Beyond the dark clouds there is light. Is this a topical description for the past, present and future of our industry? In the past, it was our ambition to travel fast and above the weather that inspired the development of the jet engine by its inventors, Sir Frank Whittle and Dr Hans von Ohain in the late 1930s and early 1940s.
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The conundrum of aviation and the environment
The paper, ‘21st century civil aviation: Is it on course, or is it over confident and complacent? – thoughts on the conundrum of aviation and the environment’ published in the Aeronautical Journal, Vol 121, Issue 1236, pp 115-140, 2017 by D.…
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GOOD ART IS (NOT) PRETTY ART
The October edition of Muses – the arts blog from BJPsych International – features a short blog by Motswana visual artist, Sedireng Mothibatsela, who writes about a crucial moment in her artistic development which coincides with her parent’s separation. It is a moving piece about how visual arts intersects with trauma and healing. I can recall the afternoon that changed how I create. I was 12 years old and in my last year of primary school and the looming high school years ahead presented many questions about how I wanted to proceed with my art. I had painted a watercolour still life and I was bored with it. Although my art received praise from my family and peers, my handling of watercolour was juvenile at best. I needed more; technically and conceptually. It was then that I began to question the art making process. Like most young artists in primary school we were simply taught that “good art is pretty art.”
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The Things We Don’t Know How to Say About Challenging Behaviour
I sat on a Zoom call with a psychologist from Edinburgh. My mental state, not my autistic son's, was in question.
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MAKING BABY BLUES – INTERVIEW WITH FILM DIRECTOR, NORA AWOLOWO
The July edition of Muses – the arts blog from BJPsych International –features a short interview with Nora Awolowo, a Nigerian film director whose documentary film Baby Blues: Trials of Childbirth is a 74-minute-long exposé about maternal mental health in Nigeria.…
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Akoma Ntoaso: On Adinkra Symbols or, Bidding Farewell: On Adinkra Symbols
The Akan people of Ghana, like many other collectivist cultures, have deeply engrained concepts of interdependence and support for each other. These concepts have been passed on for generations in the Adinkra symbols. Each symbol possesses an intrinsic meaning and represents virtues, values or beliefs critical to the Akan experience of life.
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Ayinla Omowura visits the dentist
The July 2023 edition of Muses – the arts blog from BJPsych International – features an article by Dr Olasunkanmi Onifade, Oral Medicine Consultant, Nigeria.
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Humility
The Royal College of Psychiatrists’ values and behaviours, Courage, Innovation, Respect, Collaboration, Learning and Excellence combine into the CIRCLE acronym. In the list under Excellence, a link takes you to core values for psychiatrists. One of those is humility.
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The impact of parasite infection of mental illness
More and more research is finding inflammation as a potential contributing factor towards to the development of various mental illnesses. A systematic review was conducted to determine the association between parasitic infection and mental illnesses in various African populations. Two parasite groups were evaluated; helminths and protozoans, and four mental illness classifications; depressive disorders, anxiety disorders, schizotypal disorders and unspecified mental illnesses.
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The impact of parasite infection of mental illness
More and more research is finding inflammation as a potential contributing factor towards to the development of various mental illnesses. A systematic review was conducted to determine the association between parasitic infection and mental illnesses in various African populations. Two parasite groups were evaluated; helminths and protozoans, and four mental illness classifications; depressive disorders, anxiety disorders, schizotypal disorders and unspecified mental illnesses.
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Institutional Legacies and Temporary Assistance for Needy Families Spending Decisions: The Case of the Freedmen’s Bureau
In 1996, then-President Bill Clinton signed the Personal Responsibility and Work Reconciliation Act (PRWORA) into law, with the goal to “end welfare as we know it.”…
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Austerity and Young People’s Political Attitudes in the U.K.
In 2012, a Conservative-led coalition implemented austerity measures to restore the UK’s finances. The measures aimed to address the increase in public spending that had occurred during the Great Recession and included significant cuts to public services in the form of the 2012 Welfare Reform Act.…
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On time or with a delay? Transposition of EU directives in the Czech Republic in relation to subsidiarity check
National parliaments had been for long time losers of European integration with only very limited competences of information on new EU initiatives and of rubber-stamping transposition law compared to the national governments, which often negotiate EU law at the supranational level and propose its transposition acts at the national level.…
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Experimenting with tablet-making
At the end of the Greek Bronze Age, between c.1400-1200 BCE, the Mycenaean palaces of Crete and mainland Greece used small clay tablets to keep their accounting documents.
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Border clashes: the distributive politics of professional liberalisation in Greece
As Douwe Truijens and Marcel Hanegraaff have recently remarked (Truijens and Hanegraaff 2023), interest groups can play a very large role at the implementation stage of the policy cycle, potentially even reversing decisions made earlier in the cycle.…
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Academic publishing in 2023: what’s front of mind for archaeologists?
With 2023 on the horizon, and the landscape of academic publishing in flux, Cambridge University Press spoke to the Editors of the SAA’s journals to find out what topics and questions are currently front of mind – for archaeologists, researchers and publishers alike.…
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