Hobbies
Crossword No. 28
First correct entry out of ‘the hat’ wins a GP mug. Email entries to me by 6.00 pm today subject ‘Crossword’. Last week’s winner. First out of the official GP hat was Mr GH. Mr [more…]
Hobbies
Arts
Postcard from Taiwan
The Alishan Forest Railway runs from the coastal plain into the heart of Taiwan’s empty highlands. It was built in 1912 by the Japanese for the purpose of transporting timber from the mountains for the [more…]
Engineering
Making A Ruby Laser – Part Three
More information on laser speckle can be found here: Speckle pattern A Mirror Alignment Tool The most important part of constructing a ruby laser (or any laser with external mirrors) are getting the mirrors alligned [more…]
Hobbies
The Fields Medal
“Rise above oneself and grasp the world” These are awarded every four years for advancement in the field of mathematics. There is an age limit of 40 on the recipients. It is a recognition [more…]
Hobbies
Crossword No. 27
First correct entry out of ‘the hat’ wins a GP mug. Email entries to me by 6.00 pm today subject ‘Crossword’. One of these, plus fridge magnet, key ring, a couple of luggage tags and [more…]
America
Postcard From Canada, No 6
Kelowna had been great, everything about it, from start to finish, could hardly have been bettered but there was still more to see and do. We arrived back at The Mountain RV Park mid afternoon [more…]
Arts
A Walk up to Sulber in the Yorkshire Dales
People who have done the 3 peaks will know about the Sulber Nick feature between Ingleborough and Horton in Ribblesdale. Sulber is 2.5Km west of Horton. You can see an OS map of the area [more…]
Cooking
The Sausage Butty
What is the best sausage butty? It is a question I hear a lot. Most recently from Gotham must be destroyed of this parish who is often at the forefront of discourse on this esteemed site. So [more…]
Hobbies
Euler’s Totient Function
Euler’s totient function counts the number of positive integers up to that are relatively prime to , where is considered to be relatively prime to all . These numbers are called the totatives of . [more…]