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2011 marks 300 years since the birth of the great David Hume.  He was perhaps the greatest philosopher ever to write in the English language and on these grounds the ABC recently devoted four programs of The Philosopher’s Zone to his life and work.  You will find several references to him if you search for his name on this website. 

 

 

A pillar of the Scottish Enlightenment David Hume was, and continues to be, enormously influential.  Even those who were less sceptical of received beliefs than he was were persuaded by his moral philosophy.  

In many ways his ideas were formative in the development of Australia; as I have described elsewhere.

I still have A Treatise on Human Nature; An Inquiry Concerning Human Understanding; The Natural History of Religion; and Dialogues Concerning Natural Religion; from my time reading Philosophy at University; complete with my youthful underlining and marginal notes.

These stand alongside Darwin’s The Origin of Species, published 100 years later, as among the most important books ever written in English.  These seminal works joined Philosophiæ Naturalis Principia Mathematica, by the young Isaac Newton, first published in Latin in 1687; a century before Hume’s publications.

There were great intellectual and cultural strides during those intervening years.  Despite his differences with traditional theologians, Newton, like his slightly older contemporary French scientist and mathematician Pascal, still had one foot in theology.  Hume swept this mysticism away and set the scene for Darwin and the other great intellects of the 18th Century.

Thanks to Hume Darwin was able to become a true modern scientist and rationalist. But Hume’s influence did not stop there. His method of sceptical thought led on through Russell and Einstein to contemporary mathematics and science; including our understanding of subatomic physics and the wider Universe; and the computer and biological revolutions of our day.  I have described this process elsewhere on this website.

 

  

 

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Travel

Berlin

 

 

 

I'm a bit daunted writing about Berlin.  

Somehow I'm happy to put down a couple of paragraphs about many other cities and towns I've visited but there are some that seem too complicated for a quick 'off the cuff' summary.  Sydney of course, my present home town, and past home towns like New York and London.  I know just too much about them for a glib first impression.

Although I've never lived there I've visited Berlin on several occasions for periods of up to a couple of weeks.  I also have family there and have been introduced to their circle of friends.

So I decided that I can't really sum Berlin up, any more that I can sum up London or New York, so instead I should pick some aspects of uniqueness to highlight. 

Read more: Berlin

Fiction, Recollections & News

The Meaning of Death

 

 

 

 

 

 

'I was recently restored to life after being dead for several hours' 

The truth of this statement depends on the changing and surprisingly imprecise meaning of the word: 'dead'. 

Until the middle of last century a medical person may well have declared me dead.  I was definitely dead by the rules of the day.  I lacked most of the essential 'vital signs' of a living person and the technology that sustained me in their absence was not yet perfected. 

I was no longer breathing; I had no heartbeat; I was limp and unconscious; and I failed to respond to stimuli, like being cut open (as in a post mortem examination) and having my heart sliced into.  Until the middle of the 20th century the next course would have been to call an undertaker; say some comforting words then dispose of my corpse: perhaps at sea if I was travelling (that might be nice); or it in a box in the ground; or by feeding my low-ash coffin into a furnace then collect the dust to deposit or scatter somewhere.

But today we set little store by a pulse or breathing as arbiters of life.  No more listening for a heartbeat or holding a feather to the nose. Now we need to know about the state of the brain and central nervous system.  According to the BMA: '{death} is generally taken to mean the irreversible loss of capacity for consciousness combined with the irreversible loss of capacity to breathe'.  In other words, returning from death depends on the potential of our brain and central nervous system to recover from whatever trauma or disease assails us.

Read more: The Meaning of Death

Opinions and Philosophy

Electric Cars revisited (again)

  

Electric vehicles like: trams; trains; and electric: cars; vans; and busses; all assist in achieving better air quality in our cities. Yet, to the extent that the energy they consume is derived from our oldest energy source, fire: the potential toxic emissions and greenhouse gasses simply enter the atmosphere somewhere else.

Back in 2005 I calculated that in Australia, due to our burning coal, oil and sometimes rural waste and garbage, to generate electricity, grid-charged all-electric electric cars had a higher carbon footprint than conventional cars.

In 2019, with a lot of water under the bridge; more renewables in the mix; and much improved batteries; I thought it was worth a revisit. I ran the numbers, using more real-world data, including those published by car companies themselves. Yet I got the same result: In Australia, grid-charged all-electric cars produce more greenhouse gasses than many conventional cars for the same distance travelled.

Now, in the wake of COP26, (November 2021), with even more water under the bridge, the promotion of electric cars is back on the political agenda.  Has anything changed?

 

Read more: Electric Cars revisited (again)

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