Life, REF, and the half-loaf principle

Life, REF, and the half-loaf principle

One of my favourite writers is the Russian-born Englishman S.J. “Skid” Simon. Unless you are a bridge player, you have probably never heard of him, although he wrote many murder mysteries in the period before the Second World War, the best-known being...
A scientist looks at philosophy

A scientist looks at philosophy

My first (and only) genuine philosophy article published in a genuine philosophy journal. Twenty-five years on, I am still quite proud of it! All about models and what they really mean (and don’t mean). A scientist looks at philosophy IMAGE: Wikimedia...
The logical way to cut a round Christmas cake

The logical way to cut a round Christmas cake

Sir Francis Galton was a Victorian explorer, statistician, student of intelligence and heredity, and all round polymath. In his role as a statistician he came up with a way to analyze the power of prayer by arguing that royalty, being prayed for so frequently in the...
138. What is a Geiger?

138. What is a Geiger?

Today, September 30th, is the anniversary of Hans Geiger’s birth. Geiger was a student of Ernest Marsden at the Cavendish laboratory in Cambridge, Shortly after he had joined, Marsden decided that it was time for him to get his hands dirty and try a...
137. Creepy objects

137. Creepy objects

After my radio broadcast on the relics of scientists in museums around the world (http://www.abc.net.au/radionational/programs/ockhamsrazor/preserved-scientists/8624266), I received a number of suggestions for creepy additions. So I’m starting a blog here on...
136. Brilliant bacteria

136. Brilliant bacteria

Sometimes a scientific paper comes out that generates a gasp of admiration at first sight. That is true of a paper just out in Physical Review Letters “Nonlinear self-action of light through biological suspensions” (Anna Bezryadina, Zhigang Chen (San Francisco...
Units of measurement

Units of measurement

The calving of a huge iceberg from Antarctica is a serious issue in the context of global warming, but has also sparked an ongoing debate on the best unit of measurement to describe its size. “The size of Delaware” screamed the initial, U.S.-based news...
What is a jerk?

What is a jerk?

Even some physicists are surprised to learn that “jerk” is a scientific measure. That’s right! A “jerk” is the time rate of change of acceleration, or (equivalently) the third derivative of distance with respect to time. Which reminds me...
My recent radio broadcasts

My recent radio broadcasts

I live a divided life, spending half the year in Australia and the other half in the UK. While in Australia, I recorded several programmes for ABC Radio National on various aspects of the science in our lives. They are now all available on podcast. Enjoy! 1. Science...