Single-Shot Cartridge Rifle

Milestones in Nineteenth Century Firearms Development, Part Seven

25th February 2019 Tom Pudding 0

Introduction By the 1860s it had become obvious that the days of the muzzle loading firearm were numbered and that any government that failed to re-arm its troops with breechloaders would quickly be left behind [more…]

Heads, Tails And Beans |S|=3

17th June 2019 0

Subsets Let’s suppose that set \(S\) contains a full deck of playing cards. Therefore, \(|S|=52\). We can split the cards into four suits: \(♠,♣,♥,♦\). Let’s make a set \(T\) that contains only the clubs suit [more...]
The Silver Ratio

6th March 2017 0

Just as there is a golden ratio, , based on the Fibonacci numbers, there is a silver ratio, , based on the Pell numbers. John Pell, . The continued fraction for is : The [more...]
The Unseen Path – Part Sixty Six

8th August 2018 0

Four hours later, two drone launched Hellfire missiles entered the upper stories of the house, at the same time shoulder launched anti-tank missiles blew in the front and rear doors and several windows. The Apache [more...]
Shunting into colour

23rd April 2018 0

A shorter update this time, primarily due to other activites taking precedence – not weather related over the past weeks, but the Easter holidays threw routines out of the window. The eldest came home and [more...]
The Method of Infinite Descent – Fermat’s Favourite Proof

29th January 2018 0

Fermat left only one proof. The area of a Pythagorean triangle is never a square number. Fermat wrote , “If the area of a right-angled triangle were a square, there would exist two biquadrates (fourth [more...]