Author Archives: dougaj4

350 Years of Science from the Royal Society

Posted on 02/12/2009 by dougaj4

Trailblazing “Welcome to Trailblazing, an interactive timeline for everybody with an interest in science. Compiled by scientists, science communicators and historians – and co-ordinated by Professor Michael Thompson FRS – it celebrates three and a half centuries of scientific endeavour … Continue reading →

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A not so obvious puzzle

Posted on 26/11/2009 by dougaj4

A nice puzzle from Tanya Khovanova’s Math Blog Which of the shapes below is the odd one out?

Posted in Maths, Newton | Tagged | 3 Comments

Daniel’s XL Toolbox

Posted on 25/11/2009 by dougaj4

I downloaded this yesterday: Daniel’s XL Toolbox “Daniel’s XL Toolbox is a free, open source add-in for Excel® that helps you to analyze and present data.” See the link for a full description. I’ve only had a brief look, but … Continue reading →

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Reinforced Concrete Moment-Curvature – 1

Posted on 22/11/2009 by dougaj4

The flexural curvature of any beam composed of material with linear elastic behaviour, subject to a bending moment, M, is given by: C = M / EI where E is the elastic modulus of the beam, and I is its … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , | 5 Comments

Funny Charts

Posted on 20/11/2009 by dougaj4

These made me laugh: A clever animation from Andy Faulds Economists And the root cause of peak oil: Clearly shows that popular music has been in steady decline since the late sixties (as we all knew anyway), but I’m still … Continue reading →

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