Chaos Theory – Butterflies

On Dec 29th 1972 a paper was submitted to the American Association for the advancement of Science. The author, Edward Lorenz was an MIT professor of meteorology and the subject of the paper was:- Predictability; [more…]

Chaos Theory – Population Growth exhibiting odd behaviour

Think for a moment about a field, half filled with rabbits. How can we figure out how many fluffy bunnies we’ll have in a year’s time? Let’s start by agreeing to use a population of [more…]

Chaos Theory – A gentle introduction

Question: Do snails understand mathematics? Ok here’s an idea. Start with the value 0 and 1 and then apply the following rule. Take the last 2 numbers you have and then add them, to make [more…]

Calculators and Reverse Polish Notation

At the end of September, Doc Mike Finnley posted an interesting article about early pocket calculators that caught my eye (I avoided reading any comments). I enjoyed his construction notes, given many of these older [more…]

Camping, Backcountry Knife choice

I recently reread two of Bertram Gilfoyles articles – the first teaching us about Japanese knives and the second helping us understand how to keep them sharp. His knowledge is far deeper than mine especially [more…]

Brit hand gun shooting skills

In my previous two articles – I’ve talked about how one might approach enjoying gun range time in the States and outlined my first range experiences in that wonderful country. In short, armed with a [more…]

A Brit shooting a Glock 17 on a range in the USA

In  Sept 2015, my wife and I made it down to the On Target Shooting range in Jacksonville Florida and it was an action packed and very worthwhile visit. Although we had to battle through [more…]

A Brit Using Handguns in the States

My father was trained as a sharp shooter, not quite a sniper but somewhere between that and a regular soldier. Exhibiting better than average shooting accuracy with a strong sense of fieldcraft (as he did) [more…]

ST9400C Boiler Timer Fault

After moving home in June this year, the new place needed a fair bit of attention outside, re-pointing brickwork, replacing wood decking and rebuilding a badly blown wall sitting on a rusted steel lintel were [more…]