Hello, I'm Andrew - welcome to my homepage! I'm 26 years of age, and in a few days will have completed the process of writing up my PhD after three and a half years in the field of Condensed Matter Physics here at University College London. I'm also interested in electronic circuit design, computer programming (particularly graphics and signal/image processing), photography - you'll find this site liberally illustrated, and enjoy hill walking. I'm also a member of UCL Film Society and frequently act as projectionist for our weekly screening in the Bloomsbury Theatre.

Some years back I did quite a lot of work on single-image autostereograms - those clever 3D pictures - and you'll find a significant proportion of my site devoted to these, though my other interests are represented to a lesser extent. I hope you find the information I have provided useful.

Contents:

• Stereogram discussion, algorithms & software
• Discussion of programming techniques for 3D graphics
• Soundcard Audio Tools and Toys - signal generator, frequency counter, acoustic radar... and more!

• Introduction to parallel port interfacing
• 8-bit 8kHz ADC (ADC0804) to interface to a PC parallel port
• 8-bit 110kHz ADC (ZN448E) interface [device now OBSOLETE, kept for reference only]
• Video digitiser and software-based PAL colour-decoding
• (20Msps ADC, prototype digital storage oscilloscope application) not PC compatible as-shown
• RS232 serial-port solutions
• Investigation of the nature of RF output from GSM digital mobile phones

• Sonoluminescence is a little-understood phenomenon whereby light is emitted by tiny bubbles suspended in a liquid subjected to intense acoustic fields. This illustrated article explains in detail how I set up apparatus to demonstrate the effect.

• PhD project overview. Summary of what I am studying. [Under construction]
• Image-plate X-ray diffraction. X-ray diffraction is a mature technique used in may aspects of physics, including materials characterisation. It probes the atomic arrangement of a small quantity of sample, and can reveal the crystal structure of that sample. Storage-phosphor image plates are a relatively new (c. 1990) detector technology, which in many applications can enable much better quality data to be obtained in much shorter times (minutes as opposed to hours). I spent most of the first year of my PhD working on instrumentation for the CIP camera.

• Photos - just one miscellaneous b&w photo from Cheshire right now
• Stirling - a handful of photos from Stirling, Scotland (and a couple of others) - June 2000
• Japan - what an eye-opener! I visited Japan for the Nanostructure 2000 conference in late August

• Film Society homepage
• The Projection Room - quick introduction to the work of a projectionist. Illustrated.

Retro computing - BBC Micro material

• BBC Micro emulation and file transfer

• My Web page design philosophy - ideas on what constitutes a good page, and explanation of why I've laid out my pages the way I have.

• Page access statistics
• Where did I come in the UCL web-page charts yesterday?

and now for Something Completely Different

• The OFF page - a break from all the formality of the technical stuff.

Everything on these pages is of my own devising unless indicated otherwise. Opinions expressed are not necessarily those of UCL.