Transit of Venus

That was different! Yesterday no-one expected the sky to be clear enough to see the transit, but see it we did. We had an early start – herded onto buses and shipped up to Uawa/Tolaga Bay – a rather poignant place to see the transit, given that’s where Captain Cook arrived in 1759 after viewing […]

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Is it cold enough yet?

This week has seen some icy mornings in Cambridge – a reminder that we are sliding into winter. Our heat pumps have been going, especially first thing in the morning to warm the place up a bit, and the cat has relocated his primary sleeping spot from a chair by a window to a rug closer […]

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Electromagnetic fields and the brain

Yesterday afternoon I visited Westmead Hospital and talked to a couple of psychiatrists on the use of electromagnetic fields in treating certain conditions. Treatments like the controversial but effective electroconvulsive therapy for depression, and transcranial magnetic stimulation for Parkinson’s and stroke, are becoming well used. However, there is little understanding of why they work. It’s a case […]

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Virga

I learned a new word today: virga. It was used in a short article in one of the Sydney newspapers, discussing yesterday’s weather. Virga is simply precipitation that evaporates before it hits the ground, and we had some here yesterday. So it was raining, but we didn’t get wet. Virga can rapidly cool the air […]

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