As part of our trip southwards last week, we visited one of the many caves scattered across the Margaret River region. The immediate impression on entering the 'Jewel Cave' is its vast size. It's hard to estimate just how big the main cavern is, but as a rough guess maybe 100 metres by 50 metres […]
Continue readingYear: 2017
Trusting someone’s engineering calculations
We put our trust in someone else's calculations and measurements all the time. It's just part of the modern world. Cross a bridge, drive a car, use anything electrical, and we implicity trust that the people who designed it, built it, installed it and tested it have done their job correctly. Occasionally things go wrong […]
Continue readingWhere Western Australia’s money comes from
As if you didn't know already, digging holes is important in Western Australia. And there is a LOT of Western Australia to dig holes in. Sitting in a park in the centre of Perth is a great collection of stuff that comes out of these holes – the 'Ore Obelisk'. It's a great idea – […]
Continue readingThe Perth climate
A quick glance at some climate statistics will tell you that Perth in February is hot, sunny and dry. The mean maximum temperature is 31.7 C for Perth city, with a mean of 7 days going above 35 Celsius, and 1 day going above 40 Celsius. February rainfall is impressive, by its absence. The mean […]
Continue readingPhysicsstop back in business
I have been rather conscious of my looonnnnggggg absence from the blogosphere. That really is down to other commitments getting in the way, and then falling out of the habit of blogging. Hopefully this will be a restart. I have a good opportunity here – I have just started a period of study leave (what […]
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