Thursday, 15 November 2012

My first Love


You can look back at relationships and see in hindsight the first hairline cracks.  You didn’t see them at the time but passion has blinkers.  Veils are gradually lifted, you not only get to know a bit more about yourself (there are veils between us and our own hearts after all) but also you see the people you know with different eyes.  This applies to other aspects of your life as well, like careers.  Looking back through the wreckage of my physics career many things have become clearer.

I hated physics at school, loathed it, in fact.  But I’d read enough about the subject to know that the awful tedious physics one ploughs through in class, bears little relation to the beauty of relativity, our galaxies, sub atomic particles etc and the practical applications for all that knowledge.  To me it all felt pure and noble – a search for truth.  Having good enough grades in every other subject, bar physics, I managed to get into university to study what I loved.  My physics degree was fun and I sailed through with a 1st class degree.  I started my PHD and was lucky enough to get a CAST award, which involved working in the prestigious Royal Signal and Radar Establishment (RSRE) in Malvern for a month every year.  During this month, I was put up in a lovely health farm and the healthy food, regular walks in the Malvern hills and physics research was a heady combination for me. 

The first cracks appeared when the Duke of Edinburgh came to the site, to give the RSRE an award for excellence in industry.  His security people, refused me entrance to the site that morning.  Somewhat bewildered, I was forced to spend the day outside in the hills and not cooped up in a lab with experiments.  No big deal, but the next day everyone including my supervisor was enraged on my behalf.  Apparently, being from Northern Ireland and technically a visitor, my presence constituted a threat to the royal party.  So, despite having security clearance and badges etc I was deemed too dangerous.  It’s quite amusing really and I could see the funny side of it.  Which was more than my fellow colleagues did.

Then, I did something which angered my supervisor.  That year, I married, despite being half way through my PHD.  His annoyance was not the distraction a marriage might bring but it was that my husband was from the Middle East.  At that time, relations between that region and Britain were as challenging as that between Britain and Ireland.  So my working in a Ministry of Defence centre like RSRE was causing him a major headache.  My security rating plummeted and that month I had to wear a red badge on site and was accompanied at all times by a security guard!  It all felt very ridiculous, my work was not rocket science.  All I did was study the metal-semiconductor interfaces and try to understand what was going on. 

In order to get rid of possible contaminants (which would complicate things) my experiments were done in an ultra high vacuum.  To make sure that these surfaces were totally clean, I cleaved them inside the vacuum.  Then, in this totally clean environment with a freshly exposed semiconductor surface I gradually evaporated down metals and studied them.  As I say, not rocket science, but while I was experimenting with antimony ( a metal), over in the USA, theorists were modelling how this metal would behave on my particular semiconductor and blow me down, my experimental results exactly matched their predictions.  It was particularly heartening as this happened independently; neither knew what the other was doing.  Science is lovely when something like this happens.  You really get the sense of a breakthrough of sorts.  A jump in understanding.  It may have been one particular interface but it felt like it was all exciting stuff with my papers published and presented. 

Given my security rating, however, my marriage was a real headache for my supervisor and he complained bitterly.  Exasperated by his nagging I told him my husband’s family were in the oil industry and really rich.  This he understood immediately and he dropped his belligerent attitude.  Mid conversation his objections melted away and a tone of respect was suddenly engendered towards me.  Ah, the respectability of wealth!  We talked for a half an hour in this vein and I accepted his warm congratulations on my marriage.  Then, I told him that actually there were no oil mines in my husband’s family.  No massive wealth that made my marriage sensible and wise in his eyes.  He was floored and speechless.  He could not now backtrack and change his tune, after all that would make obvious his real objections and how much money changed his attitude.  He told me, I was too clever for my own good and we laughed together. 

He had the last laugh.  During my last visit to RSRE, while heavily pregnant, he pumped me for ideas on how to make faster switches.  It was presented as a physics problem and I was encouraged to be as off the wall as I liked in coming up with unique ideas.  So I was creative and gave him a list of ideas of the top of my head from radioactive decay, to diodes, to lasers etc.  He took out a sheet and began scribbling some of the ideas down.  I laughed and said most of them were just brainstorming stuff with probably no real chance of practical implementation.  He retorted that only one had to work to make it all worthwhile – they could afford many to fail.  Perplexed, I asked what it was all for.  He told me that it was related to my PHD research.  Now, I was confused and he was eager to explain.  “We are trying to make faster switches for bombs, that’s what we’re after, that’s what’s funding the whole research you do here, each year.”

I remember my stomach clenched in shock and my hand went to my bump in an instinctive defensive reaction.  Making faster switches for bombs!!  All my work in understanding interfaces, the beautiful theoretical predictions, the scientific experiments to find the truth, the noble truth.  It was all to make us more effective at killing and destroying.  I finished my PHD but I never did any more research in my field again.  There was something about carrying a life that meant being a part of taking a life absolutely abhorrent.  My published papers all date from before my eldest son was born.  His presence in my life made me choose a different path.  I can have no regrets about that.  I look back at my relationship with physics like a bad affair, it started with passionate devotion and ended in acrimonious divorce.  It’s such a shame because I did love physics so much.  

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