Archive for February, 2006

Aperiodic tiling

Sunday, February 26th, 2006

I think I understand what labyrinth tiling might be, but I’ll need to check… It looks nice anyway, especially the labyrinth produced by just looking at the horizontal or vertical edges.

Calculating with large positive integers

Sunday, February 26th, 2006

The demonstration version of Reduce for Windows (scroll down page when it loads) – a computer algebra package – can be used to factorise large prime numbers (and polynomials!) as a way of demonstrating the properties of large numbers. Interactive sessions on a projector (the fonts are a bit small but there is no [...]

On an overgrown path

Saturday, February 25th, 2006

On an overgrown path is an example of a personal blog that a classical music fan updates daily. The blog is produced using Blogger and uses one of the built-in blogger templates – anyone can use these simple tools to publish a blog. The articles provoke thought and the comments are very illuminating and mostly [...]

Mac OS X exploit

Wednesday, February 22nd, 2006

Note added 6 March 2006 :: It looks as if security update 2006-001 addresses these two issues, at least as regards Safari and Mail. I picked this one up through software update some days ago.

Its hassle Apple week, with a ‘drive by download’ exploit appearing and being reported on the front page of the BBC [...]

Of hammers and singers

Tuesday, February 21st, 2006

“Until the 19th century, there was no concerted effort to standardize musical pitch and the levels across Europe varied widely. Even within one church, the pitch used could vary over time because of the way organs were tuned. Generally, the end of an organ pipe would be hammered inwards to a cone, or flared outwards [...]

Blog back in sub-directory

Sunday, February 19th, 2006

I have re-arranged the way works, and this wordpress blog is back in the subdirectory. I decided I wanted a static page upfront to allow for a wider range of non-blog content arriving over the summer.

All I have to do now is work out how to customise the 404 error messages incase my [...]

Bartleby reference

Saturday, February 18th, 2006

New link to useful resource


Friday, February 17th, 2006

Links to ‘rules’ and checklists for writing and revising the writing

Fruit fly results

Friday, February 17th, 2006

Gender differences in the mendelian ratio?

Programming is writing

Thursday, February 16th, 2006

“Sometimes I wish there were no such thing as binary code, and that programs were written and sold in source form in the same way magazine articles, short stories, nonfiction books, and novels are sold: by being offered to publishers. Human readability would be as important as machine parsability. Code would be copyrighted, but never [...]


Wednesday, February 15th, 2006

A description of a state

A new Hogben?

Tuesday, February 14th, 2006

Maths for the Million – what new chapters would you add?

Mendeleyev’s Dream

Monday, February 13th, 2006

Original periodic table had gaps and forced re-measurement of many atomic weights and other properties.

Ruabon Brick

Monday, February 13th, 2006

Red brick from Ruabon changes colour in the rain…

WordPress upgrade and downgrade

Monday, February 13th, 2006

Up to 2.01 and then down to 1.51 in one day…


Saturday, February 11th, 2006

Vernier calipers and the venerable screw micrometer allow us to measure small objects with a resolution high enough to see random variation.

Active Internet Users…

Monday, February 6th, 2006

Internet use figures tablulated with populations for a list of countries

A Monk and Two Peas

Thursday, February 2nd, 2006

A Monk and Two Peas