John Butterworth MBE's Books

God's Needle

How Lily Gaynor brought hope and healing to the land of the witchdoctors

By: Lily Gaynor,John Butterworth MBE

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God's Needle

How Lily Gaynor brought hope and healing to the land of the witchdoctors

By: Lily Gaynor,John Butterworth MBE

In 1957 freshly qualified nurse and WEC missionary Lily Gaynor set sail for Guinea-Bissau, to live among the Papel tribe. Tuberculosis, malaria, and typhoid were rife. Children were grossly malnourished; witch doctors flourished. Lily set up a clinic under the mango trees, administering penicillin - 'God's needle'. Medical care didn't stop there: pigs, cows, rabbits and hens all passed through Lily's hands. Many villagers suffered agonizing toothache: Lily learned emergency dentistry. The book is filled with one arresting medical story after another. In the evenings she learned Papel, invented an alphabet, and finally translated the entire New Testament, now published with Wycliffe Bible Translators. She faced considerable opposition. Witchdoctors cursed; new converts were threatened with death; senior colleagues opposed her medical efforts. Yet today Guinea-Bissau has one of the biggest national churches in West Africa.

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Page Count

208

Publisher

Monarch Books

Published Date

ISBN 10

0857214578

ISBN 13

9780857214577

Molecular Beam Epitaxy

A Short History

By: John Wilfred Orton,Tom Foxon

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Molecular Beam Epitaxy

A Short History

By: John Wilfred Orton,Tom Foxon

The book is a history of Molecular Beam Epitaxy (MBE) as applied to the growth of semiconductor thin films (note that it does not cover the subject of metal thin films). It begins by examining the origins of MBE, first of all looking at the nature of molecular beams and considering their application to fundamental physics, to the development of nuclear magnetic resonance and to the invention of the microwave MASER. It shows how molecular beams of silane (SiH4) were used to study the nucleation of silicon films on a silicon substrate and how such studies were extended to compound semiconductors such as GaAs. From such surface studies in ultra-high vacuum the technique developed into a method of growing high quality single crystal films of a wide range of semiconductors. Comparing this with earlier evaporation methods of deposition and with other epitaxial deposition methods such as liquid phase and vapour phase epitaxy (LPE and VPE). The text describes the development of MBE machines from the early 'home-made' variety to that of commercial equipment and show how MBE was gradually refined to produce high quality films with atomic dimensions. This was much aided by the use of various in-situ surface analysis techniques, such as reflection high energy electron diffraction (RHEED) and mass spectrometry, a feature unique to MBE. It looks at various modified versions of the basic MBE process, then proceed to describe their application to the growth of so-called 'low-dimensional structures' (LDS) based on ultra-thin heterostructure films with thickness of order a few molecular monolayers. Further chapters cover the growth of a wide range of different compounds and describe their application to fundamental physics and to the fabrication of electronic and opto-electronic devices. The authors study the historical development of all these aspects and emphasise both the (often unexpected) manner of their discovery and development and the unique features which MBE brings to the growth of extremely complex structures with monolayer accuracy.

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Page Count

529

Published Date

ISBN 10

0199695822

ISBN 13

9780199695829

God's Needle

How Lily Gaynor brought hope and healing to the land of the witchdoctors

By: Lily Gaynor,John Butterworth MBE

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God's Needle

How Lily Gaynor brought hope and healing to the land of the witchdoctors

By: Lily Gaynor,John Butterworth MBE

Average ratings

N/A

Write a review

Solve jigsaw puzzle

Age

Page Count

208

Publisher

Monarch Books

Published Date

ISBN 10

0857214578

ISBN 13

9780857214577

Book's by John Butterworth MBE

God's Needle

God's Needle

Molecular Beam Epitaxy

Molecular Beam Epitaxy

God's Needle

God's Needle

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