Monthly Archives: January 2010

Fruit Gums and graphs

All the data from my Fruit Gums exper­i­ment has one con­tinuous variable (the number of gums) and one discrete variable variable (either box number or flavour) so the physicist’s standard graph  —  the x-y scatter plot  —  isn’t suitable. This made it a good … Continue reading

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Milky Way Transit Authority

The multi-talented Samuel Arbesman created this great Milky Way map in the style of Harry Beck’s famous London Under­ground map.

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Aspect ratio

I hate it when I see someone watching tele­vi­sion in the wrong aspect ratio; for some reason it really bugs me. Aspect ratio is always given as horizontal:vertical. Tele­vi­sion pro­grammes are usually produced in one of two formats: “regular” 4:3 and … Continue reading

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Teaching statistics with Fruit Gums

Fruit Gums can be used to demon­strate the concept of standard devi­ation. Cal­cu­lating standard devi­ation is easy, it’s simply: Which, with the right teaching, and enough practice, anyone can learn to do. Under­standing what standard devi­ation means is far more dif­fi­cult. I … Continue reading

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Minifigs

The Lego Minifig was patented in 1979. Cus­tom­ising minfigs has become a bit of a phe­nomena. I love these physics minifigs by dun­echaser: Sir Isaac Newton comes complete with apple. Here you get both Young Patent Office Albert Einstein and Old … Continue reading

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Animals and earthquakes

With earth­quakes being in the news after the mag­nitude 7.0 earth­quake in Haiti I thought it was time to revisit the idea that animals can sense earth­quakes before they happen. [youtube]http://www.youtube.com/watch?v=FV4EMzyJsqU[/youtube] Watch the dog.

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Why grit roads?

Almost every day I walk past this yellow grit con­tainer. I’ve never really paid atten­tion to it before, but it’s cer­tainly in the news at the moment. Why do we grit roads? The term “grit” is a bit of a misnomer and … Continue reading

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Satellite view of snow-covered UK from space

This is what the UK looks like at the moment, covered in snow. Clicking on the image will load a high res­ol­u­tion (250m per pixel) version (3400×4400 px, 3.02MB). The imagery comes from NASA’s Moderate Res­ol­u­tion Imaging Spec­trora­diometer (MODIS) satellite’s Rapid … Continue reading

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Celebrity Science 2009

The fant­astic Sense About Science has an end-of-year wrap-up of all the science-related nonsense that celebrities have been spouting this year. Sarah Palin, who is just a horrible person: “[I don’t] believe in the theory that human beings  —  thinking, loving beings  —  ori­gin­ated from … Continue reading

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Interesting design features of my hotel room

There were a couple of clever design features in the hotel room I stayed in recently. Every other “fold” in the shower curtain was split from ring-to-ring. If you bunched up the curtain you could easily remove it in one motion, … Continue reading

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Resolution and Strictly Come Dancing

The tele­vi­sion pro­gramme, Strictly Come Dancing, can be used to demon­strate the concept of res­ol­u­tion. Normally there are four judges on the show, but towards the end of the run the number of judges was increased to five with the addition … Continue reading

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