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Archive: Physics Stop October 2010

Physicsstop back in business

Marcus Wilson Feb 07, 2017

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 used to be called Sabbatical … Read More

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Video: laminar flow, microorganisms and mangroves

Marcus Wilson Jun 21, 2016

This movie is a demonstration of laminar flow. My colleague Julia Mullarney used it last week in our Osborne lectures to high-school students to demonstrate what turbulent flow ISN’T. Video showing Laminar Flow and demonstrating fluid flowing in layers. This apparatus was developed by John DeMoss and Kevin Cahill of the Department of Physics & Astronomy, University … Read More

Probability madness

Marcus Wilson May 10, 2016

Probability crops up in many places in physics, not least quantum mechanics and statistical mechanics where we are only sure of things in an average or ‘statistical’ sense. Dealing with probabilities can be a headache for many students. They are also a headache for many in everyday life. There are numerous occasions where we need to estimate the likelihood of … Read More

The storm surge

Marcus Wilson Feb 26, 2016

I shudder to think what it must have been like in the path of Cyclone Winston. It is hard to conceive of winds 230 km/h sustained for minutes at a time. I remember vividly what is now known as the Great Storm of 1987 (an extra-tropical cyclone) which pulverised south-east England on 15/16 October 1987. There were (according to … Read More

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