Wilson Poon’s Home Page 

 

Welcome to my WWW home. If you want to email me, click here. Click for a photo.

 

My paper-mail address is:

School of Physics & Astronomy

The University of Edinburgh

James Clerk Maxwell Buildings

Kings Buildings

Mayfield Road

Edinburgh EH9 3JZ

United Kingdom

I am in room 2620 of the JCMB (room 20 on corridor 6 of the 2nd floor).

If you arrive by taxi, ask the driver to enter the KB site by ‘entrance 4’ and take you ‘all the way round to the front of the JCMB’ (red path on accompanying map); if they drop you at the nearer (‘computing’) entrance (blue dot on the map), walk following the green path.

If you are walking or arrive by bus (stop at the purple square), follow the light blue path on the map.

 

My work telephone number is +44 (0)131 650 5297 (exclude ‘0’ from abroad)

 

Here you will find:

·       Latest news and upcoming events

·       My Biography

·       My research interests in physics and associated publications

·       My research interests in philosophy, history and theology and associated publications

·       My recent sermons

 

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Latest news, downloads and upcoming events

 

 

I contributed a chapter to a forthcoming book edited by R. J. Berry, Real Scientists, Real Faith: 17 Leading Scientists Reveal the Harmony Between Their Science and Their Faith, that is due to be published by Monarch Books on 22 May 2009 (RRP £8.88 – royalties go to a missionary charity).

 

Another book chapter on living with risk, entitled Growing scientific citizens in a high-tech world, is due to appear in Growing Citizens edited by Alison Elliot and Heidi Poon. St. Andrews Press estimates that it will be launched in March 2009.

 

I gave a talk to Hampshire heads of science in February entitled ‘You only have to known Ohm’s law, but you’ve got to know it bloody well!’. Click here to download the power point file. (Warning: the file is large, about 7 megabytes, because of the large number of images.)

 

My sermons are now available at the bottom of this page.

 

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A very brief biography

 

Born: 26th September 1962, Hong Kong

Education:

1968-1979 St. Paul’s co-educational college, Hong Kong.

1979-1981 Rugby School

1981-1984 Peterhouse, Cambridge University

1984-1988 St. John’s College and Cavendish Laboratory, Cambridge

Career:

1986-1988 Research Fellow, St. Edmund’s College, Cambridge

1989         Lecturer, Portsmouth Polytechnic

1990-1997 Lecturer, School of Physics, The University of Edinburgh

1997-1999 Senior Lecturer, The University of Edinburgh

1999-now  Professor of Condensed Matter Physics, The University of Edinburgh

Awards and Distinctions:

1996          Nuffield Foundation Science Research Fellowship

2004         Fellow of the Royal Society of Edinburgh

2007-2011 Engineering and Physics Sciences Research Council Senior Research Fellow

 

For a more detailed curriculum vitae, click here.

 

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Physics research

 

I work in soft condensed matter physics and in biological physics.

 

My science publications are listed here – most of the papers are linked directly to publishers’ download sites, allowing you to get the pdf directly if your institution subscribes to the journal. If you have difficulty, email me and tell me which number on the list you require.

 

Soft condensed matter physics studies liquids, called ‘complex fluids’, which contains entities with sizes intermediate between small molecules (e.g. H2O) and macroscopic objects (e.g. the beaker holding the liquid): colloidal suspensions, polymers and aggregates of surfactants (soap-like molecules). These ‘mesoscopic’ entities are dominated by thermal fluctuations (= Brownian motion). Their presence confers a host of fascinating (and highly applicable) properties to complex fluids. For instance, their response to mechanical stress is intermediate between that of the ideal solid (‘elastic’ response) and the ideal (simple) liquid (‘viscous’ response): complex fluids are ‘viscoelastic’. A good example is ‘non-drip paint’ (a complex mixture of colloids and polymers). Under the high shear stresses generated by a paint brush, it behaves like a liquid; once the painting motion stops, gravity causes a small enough stress that the paint behaves like a solid, and stays on the wall.

 

I mainly work on colloids - suspension of solid particles in liquids. My main interest is to use very well-characterised suspensions to throw light on phenomena that are ubiquitous throughout condensed matter physics, such as crystal nucleation. A very brief introduction to this research philosophy, sometimes dubbed ‘colloids as big atoms’, is given here. In the past I have studied equilibrium phase transitions and phase transition kinetics. A movie (taken by Dr. Falk Renth) showing a colloidal suspension separating into coexisting colloidal gas (top), liquid (middle) and crystal (bottom: iridescence caused by Bragg reflections) phases can be seen here. Now I concentrate on long-lived metastable states (glasses and gels) in the same suspensions, especially how they flow in simple and complex geometries. A very brief introduction to colloidal glasses is given here.

 

My main research tool is advanced optical microscopy, especially fast confocal microscopy that allows us to track thousands of particles more or less ‘in real time’, and ‘optical tweezers’, which permits the ‘hands-free’ trapping and manipulation of colloids using highly-focussed laser beams. A movie (courtesy of Dr. Rut Besseling) showing (about 3000) particles in a sheared colloidal glass reconstructed from stacks of confocal micrographs can be seen here. Most of the facilities I use are housed in COSMIC.

 

Click to find further details of the soft matter physics research in the School of Physics.

 

Biological physics applies the insights and techniques of physics to the study of living systems and their components. In particular, I am interested in using soft matter and statistical physics to understand the solution behaviour and self assembly of biomacromolecules, especially proteins, DNA and lipids, e.g. how proteins crystallise or aggregate, the way DNA stretches under flow, or how mixed lipid vesicles phase separate. Details of a volume of NATO ASI proceedings introducing this area of research can be found here.

 

I also study the collective behaviour and evolution of bacteria. A good example of collective behaviour is ‘biofilm’ formation: the way bacteria colonises surfaces. Here is a reconstruction of the early stage of biofilm formation by a nitrogen fixing bacteria, Sinorhizobium meliloti, from confocal images (courtesy of Iain Robinson and Gary Dorken).

 

Click to go to the home page of LiPhE (pronounced ‘Life’, = Life Physics @ Ed) to find an overview of the School’s research in this area.

 

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Philosophy, history and theology research

 

My publications in these areas are listed here: in most cases, the manuscript (though not the published) version is available.

 

I am interested in the history and philosophy of science, and in the relation between science and Christian theology. Some current projects are:

·       Visual representations in science – Right now I am working on the pictorial representation of vectors in 19th century natural philosophy texts. My interest was aroused after speaking at a symposium sponsored by the Visual Arts Research Institute, Edinburgh (VARIE).

·       Philosophical issues at the interface between physics and biology – This is a collaborative project with Tom McLeish and Greg Radick at Leeds and Alexander Bird at Bristol funded by the Templeton Foundation. We are interested in issues such as discipline demarcation, the nature of explanation, etc. We hosted a conference on this topic in November 2009 – the web page is here.

·       Science and religion in poetry – Many poets have reflected on the relation between faith and (scientific) reason, from Lucretius through John Donne to R. S. Thomas. Amazingly, this poetic source of insight hardly features in the current (burgeoning) literature on ‘science and religion’. I am working on an anthology with comments and notes. If you have any suggestion of what poems to include, do email me.

·       Science and the hiddenness of God – A scientific understanding of the world can be elaborated without any reference to divine activities. I want to reflect on the theological implications of this fact. A very brief statement of how my thinking is developing is given here. (This piece is part of the resources for churches provided by the Faraday Institute for Science & Religion.)

·       A tale of the ‘three hermeneutics’ – I believe that hermeneutics, the art of interpretation, offers a key to understanding the relation between the arts and the sciences and between theology and science. The tale I want to tell is that of the human attempt to read the book of God’s words (the Bible), the book of God’s acts (history) and the book of God’s works (creation). (See, for example, numerous passages linking these three in Isaiah chapters 40-66.) A preliminary piece outlining some of my ideas, originally written at the request of a group of Glasgow University M.A. students seeking to reappraise the value of the humanities (their site is here), can be found here.

 

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Sermons preached at St. Peter’s (Scottish Episcopal Church), Lutton Place, Edinburgh

 

·       Giving voice to creation – a Christian vocation in science (21 September 2008)

[Texts: Genesis 2:15-25, Psalm 19, Romans 8:18-25, Mark 5:25-34]

 

·       The work of our hands - Harvest celebration for today (12 October 2008)

[Texts: Deuteronomy 16:9-17, (Psalm 127), (Isaiah 28:23-29), Matthew 6:7-15]

 

 

·       The church in waiting – The Nunc dimmittis for today (28 December 2008)

[Texts: Luke 2:22-40; Galatians 4:4-7]

 

[Texts: Jonah 3.1-5, 10; Mark 1.14-20]

 

 

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