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Winter Solstice...

21/12/2014

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Hurrah! It's the winter solstice once more; from now on the days get longer, although actually the time of sunrise continues to get later until early January.
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Sex and drugs and Rock 'n' Roll

9/12/2014

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“If you remember the ‘Sixties, you weren’t really there…” Most Internet sources claim it was Paul Kanter of the American band Jefferson Airplane who said that. He, apparently, believed in the use of ‘mind-expanding’ drugs, which may explain the origin of the expression. According to Kanter, you weren’t really “there” if you were not in an illegal state of mind.

Well, I was there. I played regularly in a band in clubs and dance halls between 1961 and 1966, and there were virtually no drugs, and precious little sex but plenty of Rock ‘n’ Roll. Drugs cost money, and we didn’t have any. And even when I played in a Rome nightclub for two months in the summer of 1965 and did have money, no-one ever offered me drugs. The other members of the band wouldn’t even let me drink alcohol, because a small glass of wine would send me to sleep…

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Is there anybody out there?

8/12/2014

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Enrico Fermi, one of the fathers of atomic power, wrote: “If the estimates of the large numbers of other civilizations in the Galaxy or Universe are correct, given that some of them must have evolved millions of years before us, why have we never been visited or even contacted?”

It’s good question, and precision cosmology may provide the answer. The current estimate of the number of galaxies in the ‘known’ universe is at least 100,000,000,000. These contain, between them, approximately, 100,000,000,000,000,000,000,000 stars…

When considering the possibility of extraterrestrial life, the debate usually starts with uncertainty as the extent of other planets in the Universe. But now that around 2,000 exoplanets have been discovered, it seems likely that most stars will have some; if our solar system is typical, and each star has three or four rocky planets orbiting it, the ‘observable universe’ could contain around 400,000,000,000,000,000,000,000 planets…

If we accept that life spontaneously evolved from complex organic molecules on Earth 3,600,000,000 years ago, it seems remotely unlikely that over a period of 13,000,000,000 years (since the Big Bang), and with so many planets to choose from, life has not appeared elsewhere…

But if, as Fermi suggested, intelligent life has existed even millions of years before us, why, with so many stars to choose from should anyone bother coming to look for us? Very simple: no-one knows we’re here… Of all manifestations of ‘intelligent’ life on Earth, only radio signals can be detected from the stars. It is only since the 1930s when TV broadcasting began using UHF frequencies, that signals have penetrated the ionosphere and leaked into space. In the 80 years or so since then, radio signals have barely penetrated 80 light years into the Galaxy which is 100,000 light years across… No more than a few hundred stars out of the 100,000,000,000 in the Galaxy could have detected our transmissions and even that would assume that they had massive radio telescopes pointed in our direction.

The truth is, we’re completely isolated. The Galaxy is vast but the Universe is immense. There are probably millions of civilizations out there, but no-one knows we’re here…

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Windows...

1/12/2014

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A cautionary tale... Windows updates were set to automatic on my computer. One managed to corrupt my user account; I could not get in and could not access my data... One very sleepless night later, I managed to retrieve my data from the various back-up procedures I had in place. But I could not recover the computer because I had not created a Windows Recovery Disc. It had to be returned to the manufacturer who managed to sort it out.

The lesson? Always back up your data. Create a Windows recovery disc. In the last two days I have encountered two people who have lost over a thousand treasured photographs because of lack of backups. You know it makes sense.
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  • Home
  • Books
    • Henry's Trials >
      • Extract from Henry's Trials
    • Smethurst's Luck >
      • Extract from Smethurst's Luck
    • Murder in the Red Barn >
      • Extract from Murder in the Red Barn
    • Reverend Duke and the Amesbury Oliver
  • Talks
    • Talk on Henry's Trials
    • Talk on Smethurst's Luck
    • Talk on Isambard Kingdom Brunel
    • Talk on the Murder in the Red Barn
    • BBC
  • Publications
    • The Amesbury Union Workhouse
    • The Separate System
  • Peter Maggs
  • Shop
  • Blog
  • Family History
    • Mirli
    • BM Creeper >
      • The Significance of Stonehenge
      • Educating Ealing I: How Lady Byron Did It
      • Educating Ealing II: Church of England Primary in the 1920s
      • All Because of Crystal Palace
      • Innocent in Ealing - Extract
      • Miss McDonald