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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. ::
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 [...] ::
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 [...] ::
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 [...] ::
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 [...] ::
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 [...] ::
Bartleby reference :: New link to useful resource ::
Writing :: Links to 'rules' and checklists for writing and revising the writing ::
Fruit fly results :: Gender differences in the mendelian ratio? ::
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 [...] ::
Flow :: A description of a state ::
A new Hogben? :: Maths for the Million - what new chapters would you add? ::
Mendeleyev’s Dream :: Original periodic table had gaps and forced re-measurement of many atomic weights and other properties. ::
Ruabon Brick :: Red brick from Ruabon changes colour in the rain… ::
WordPress upgrade and downgrade :: Up to 2.01 and then down to 1.51 in one day... ::
Measuring :: 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… :: Internet use figures tablulated with populations for a list of countries ::
A Monk and Two Peas :: A Monk and Two Peas ::
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bodmas.org, Keith Burnett