Derek Sorensen

November 25, 2007

Captcha This

Filed under: meta — Derek Sorensen @ 4:20 pm

Ok, I decided I’d had enough of spammers and so have finally got around to adding a Captcha to the comment form. It should work just fine, but if you have problems posting please let me know at the email address on this page.

Ta muchly.

November 22, 2007

Search Inside

Filed under: humour, mathematics — Derek Sorensen @ 12:54 am

If, like me, you are old enough to remember the book “Logarithms and Other Mathematical Tables” from your schooldays, but you hanker for something with a little more substance - something that will take a bit longer to read - then this might be the book you have been yearning for. It’s just too bad the “search inside” facility for this book only goes as far as page 6 … there’s another 594 pages before you get to the end - although to be fair the first 6 pages give a very good flavour of what’s to come.

Make sure you take a look at the customer reviews too.

November 14, 2007

Welcome to Oz: Living in the Matrix

Filed under: musings — Derek Sorensen @ 10:12 pm

In the 1939 film The Wizard of Oz we discover at the end that the events of the story are a dream from which Dorothy eventually wakes (this is different from the book The Wonderful Wizard of Oz by L Frank Baum upon which the film was based.) We can empathise with Dorothy - when we look back on our dreams in the minutes after waking we are often amused at how ridiculous they are in retrospect but during the dream it all seemed perfectly logical.
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