We received an interesting letter from one of our readers, S.J. Cohen, who has found a way of generating sequences of Pythagorean Triangles by means of certain irrational square roots.
Suppose that our Government has decided to improve the capabilities of the Royal Australian Navy. It has resolved to buy one new destroyer for each 1000km of the Australian coast-line. The only problem left for the Navy is to measure the length of the coast-line.
On several occasions I have been in the position of having to cook a roast dinner. My experience in this field is rather limited and so I have to rely on cookbooks to provide cooking temperature and time.