Archive for February, 2006
- Aperiodic tiling :: 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. :: Sunday, February 26th, 2006 :: Posted in Maths | Comments Off
- Calculating with large positive integers :: 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 [...] :: Sunday, February 26th, 2006 :: Posted in ILT, Maths | Comments Off
- On an overgrown path :: 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 [...] :: Saturday, February 25th, 2006 :: Posted in Notes | Comments Off
- Mac OS X exploit :: 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 [...] :: Wednesday, February 22nd, 2006 :: Posted in ILT | Comments Off
- Of hammers and singers :: “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 [...] :: Tuesday, February 21st, 2006 :: Posted in Maths | Comments Off
- Blog back in sub-directory :: I have re-arranged the way bodmas.org works, and this wordpress blog is back in the bodmas.org/blog 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 [...] :: Sunday, February 19th, 2006 :: Posted in Notes | Comments Off
- Bartleby reference :: New link to useful resource :: Saturday, February 18th, 2006 :: Posted in Notes | Comments Off
- Writing :: Links to 'rules' and checklists for writing and revising the writing :: Friday, February 17th, 2006 :: Posted in Notes | Comments Off
- Fruit fly results :: Gender differences in the mendelian ratio? :: Friday, February 17th, 2006 :: Posted in Maths | Comments Off
- Programming is writing :: “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 [...] :: Thursday, February 16th, 2006 :: Posted in Notes | Comments Off
- Flow :: A description of a state :: Wednesday, February 15th, 2006 :: Posted in Notes | Comments Off
- A new Hogben? :: Maths for the Million - what new chapters would you add? :: Tuesday, February 14th, 2006 :: Posted in Maths | Comments Off
- Mendeleyev’s Dream :: Original periodic table had gaps and forced re-measurement of many atomic weights and other properties. :: Monday, February 13th, 2006 :: Posted in Maths | Comments Off
- Ruabon Brick :: Red brick from Ruabon changes colour in the rain… :: Monday, February 13th, 2006 :: Posted in Photos | Comments Off
- WordPress upgrade and downgrade :: Up to 2.01 and then down to 1.51 in one day... :: Monday, February 13th, 2006 :: Posted in Notes | Comments Off
- Measuring :: Vernier calipers and the venerable screw micrometer allow us to measure small objects with a resolution high enough to see random variation. :: Saturday, February 11th, 2006 :: Posted in Maths | Comments Off
- Active Internet Users… :: Internet use figures tablulated with populations for a list of countries :: Monday, February 6th, 2006 :: Posted in Maths | Comments Off
- A Monk and Two Peas :: A Monk and Two Peas :: Thursday, February 2nd, 2006 :: Posted in Notes | Comments Off