Archive for March, 2006
- Edge detect :: Photoshop edge detect works best with strong outlines :: Friday, March 31st, 2006 :: Posted in Photos | Comments Off
- Preview in Mac OS X :: Preview allows you to cut diagrams out of PDF files and save them as PNG or JPG files :: Tuesday, March 28th, 2006 :: Posted in ILT, Maths | Comments Off
- Superposition of two sine waves :: Spreadsheet shows effect of adding two phase shifted sine waves :: Monday, March 27th, 2006 :: Posted in ILT, Maths | Comments Off
- Flash movie test :: Is it possible to upload a flash movie through WordPress? :: Sunday, March 26th, 2006 :: Posted in Notes | Comments Off
- Straight line graphs :: Pop some graphs on the gcse blog and ask for the equations by e-mail? :: Sunday, March 26th, 2006 :: Posted in ILT, Maths | Comments Off
- Gestures! :: “Gestures that complement rather than simply illustrate verbal instructions can boost children’s ability to complete problems in mathematics, researchers report.” Complementary gestures are illustrated as… “When using complementary gestures, however, the teachers pointed to each of the numbers on the left and then signalled the subtraction of the five on the right side by scooping their hand [...] :: Saturday, March 25th, 2006 :: Posted in Maths | Comments Off
- City centre land use :: Google Earth and data handling activities :: Saturday, March 25th, 2006 :: Posted in ILT | Comments Off
- Google Earth :: Google Earth for Mac OS X :: Friday, March 24th, 2006 :: Posted in ILT | Comments Off
- Textwrangler: remove blank lines :: To remove blank lines from a text file in Textwrangler, you have to run search and replace, tick the ‘use Grep’ option and then search on the pattern ^\\r. Replace with nowt and the effect is magic. A boon to the ‘everything in one big text file‘ advocates. The pattern < \/?[^>]> can be used to [...] :: Sunday, March 19th, 2006 :: Posted in ILT, Notes | Comments Off
- WordPress export :: Use a special theme to export posts! :: Saturday, March 18th, 2006 :: Posted in Notes | Comments Off
- GCSE Mind Map :: Put the whole of GCSE Maths where you can see it :: Tuesday, March 14th, 2006 :: Posted in ILT, Maths | Comments Off
- Migraine and hole in heart :: According to the BBC News quoting research by doctors in London and Shrewsbury, there may be a link between migraine with aura and a hole in the heart. Their figures (quoted from the BBC article) are as follows… “The latest study screened 432 migraine with aura patients, and found 24% had a moderate [or] large PFO [...] :: Monday, March 13th, 2006 :: Posted in Maths, Notes | Comments Off
- Central England Temperature series :: Notice any trend? Upwards? Downwards? Part of a sine wave of longish period? Scribble an idea now, then compare with the full series. The chart above (shown without axes on purpose) is a plot of the yearly mean temperature from 1800 to 2005 taken from the Central England Temperature series. The series extends from 1659, as [...] :: Monday, March 13th, 2006 :: Posted in Maths | Comments Off
- When is a blog not a blog? :: Metropolitan Police officers have apparently received ‘guidance’ about blogging that includes the following phrase; “consider the impact of expressing views and opinions that…bring the organisation into disrepute”. What is, exactly, a blog? Perhaps an online notebook where you list links, tips, ideas, common experience (like the blog you are now reading) or sometimes a place where [...] :: Monday, March 13th, 2006 :: Posted in Notes | Comments Off
- Netscape 8 :: Netscape 8 for Windows has a spyware/adware scanner built in :: Wednesday, March 8th, 2006 :: Posted in ILT | Comments Off
- Crate in Warsaw :: Crate in shop window in Warsaw, Poland. Margarine? :: Saturday, March 4th, 2006 :: Posted in Photos | Comments Off
- Beaufort Scale :: I once heard the Beaufort Scale rendered as epic poetry. The reader started in a quiet conversational tone, speaking fairly quickly. As he ascended the scale, the voice grew louder and the pace slowed. The word ‘HURRICANE’ was bellowed at considerable volume. The table below was copied from a notebook entry made one foul day [...] :: Saturday, March 4th, 2006 :: Posted in Maths, Notes | Comments Off
- Forensic ICT new version :: Just storing a draft in a convenient location :: Saturday, March 4th, 2006 :: Posted in Forensic, Notes | Comments Off
- 200 cubic kilometres of ice every year :: A recent post to the Real Climate blog details recent work on satellite images of Greenland showing the volume of ice flow into the sea from the glaciers that surround the coast. The numbers are large – 220 cubic km of ice per year is currently flowing from the glaciers into the sea. That apparently corresponds [...] :: Thursday, March 2nd, 2006 :: Posted in Maths, Notes | Comments Off
- OpenOffice 2.0 on Mac :: OpenOffice is an Open Source office application produced with a large amount of support from Sun Microsystems. Because the application is open source, you can burn CDs and pass copies to students (or anyone!). Students have downloaded the package and used the Impress presentation component to produce presentations – laptops are often sold with [...] :: Thursday, March 2nd, 2006 :: Posted in ILT | Comments Off