Saturday, January 21, 2012

Dialecticon relaunch

The Dialecticon has been relaunched. It is used to compare the frequency of usage of pairs of words within the major English-speaking countries. For common words that differ between the US and UK, such as diaper and nappy, you can see where Australia and Canadian usage tends. You can also enter a word and its commonly misspelt variant, such as miniscule and minuscule, to see which countries contain the better spellers.

The relaunch sees an improvement in the speed of showing results and somewhat smarter graphics. The data now come from Google's JSON API rather than Yahoo, as the latter started charging. Unfortunately, Google only provides 100 results for free per day. As each Dialecticon query uses 8 results (2 searches per country), only 12 Dialecticon queries can be made. Let's hope it remains unpopular!

Whilst searching for a replacement for Yahoo I had a look at the Bing API, which seemed promising. However, it did not return an accurate count of results, making it unusable for my goals. Thinking this might be a temporary ailment I checked the official Bing API forum and found it full of unanswered complaints about faulty results over many months. I think Microsoft have forgotten about maintaining the API after putting a lot of effort into producing a potentially useful resource.

The Google Custom Search API is producing some anomalous results. The main Google index shows gaol being used one-tenth as often in the UK as jail, but the API shows it as far less than one-hundredth. There's not much I can do about this, so don't rely on the charts for your PhD theses.

Saturday, January 7, 2012

Swimming in a suit

Remember those full-body swimsuits that made swimmers look like they'd returned to modest Victorian times? They appeared in 2008 and immediately became very popular because of the performance enhancement they seemed to produce. They were banned from the start of 2010.

A study noted by Wired has compared swimming results with track and field results from that time period and confirmed that the suits were significant in the improved performances. Since FINA did not invalidate the records set with the suits it's probably going to be some time before their blemish is removed from the record books...

Monday, December 19, 2011

Something cheesy

The shop I bought this from has a permanent "up to 100% off everything" sale...

If a consumer is after a nice strong hard cheese they might pick this one based on its label of positive statements: "good things take time", "mature cheddar", "special reserve", "aged to be extra strong", "patience is not a virtue it's a necessity".

But then, in a very small font, are the prototypical weasel words "with up to 18 months ageing". Ouch!

Sunday, November 20, 2011

Funding energy

The International Energy Agency released their World Energy Outlook 2011 report last week. The factsheet (pdf) is easy reading, but if you've only got time for one highlight, check out Bloomberg's summary:
Fossil-fuel consumers worldwide received about six times more government subsidies than were given to the renewable-energy industry, according to the chief adviser to oil-importing nations.


Saturday, November 5, 2011

Car companies revisited

I've refreshed my chart of the complex web of car makers (click for a bigger version).



The previous version was done in OpenOffice and manually exported as an image to this blog. This new version is done online in Google Docs, so updates should be more timely.

I briefly toyed with switching to a much simpler Google Charts Organizational Chart. This is text-based, so the chart is defined javascript indicating names and their parents, like:

  data.addRows([
        ['Fiat', '', ''],
        ['Lancia', 'Fiat', ''],
        ['Alfa Romeo', 'Fiat', ''],
        ['Maserati', 'Fiat', ''],
          ['Chrysler', 'Fiat', ''],
          ['Jeep', 'Chrysler', '']
  ]);

However, it couldn't cope with complexities such as multiple owners for one marque.

Wednesday, October 19, 2011

Riding the electric future

The mild climate and flat landscape of Perth makes it ideal for bicycling, and just as perfect for electric bicycles. If you're a morning person then you might look forward to a ride in the morning, but not be so keen on cycling home after a tiring day at work. An electric bike, providing minimal assistance in to work, but more assistance home, would be a great solution. However, due to archaic laws, few electric bikes are sold or used in Perth.

In the Netherlands one in eight bicycles sold is electric, and 8% of the population now owns an electric bike. Note that there are two types of electric bike, the pedelec, where power provided by pedalling is enhanced by the motor, and throttle-controlled, which does not require pedalling. Pedelecs are far more sophisticated and useful, and are what this post will concentrate on. The development of the pedelec was encouraged by the Japanese government to give more mobility to the elderly, where it has been very successful.

Western Australia has some strange rules regarding electric bicycles. To not be considered a motor vehicle the motor must not exceed 200 watts. This compares with the 250 watt limit in most countries, making importation troublesome. When the motor is active, the rider must be aged at least sixteen years old, and the bike cannot be ridden on shared-use paths, i.e. cycle paths on which pedestrians may walk.

For a number of weeks I have ridden a European 250 watt Kalkhoff pedelec, which provides motor assistance up to 30 km/h. The motor multiplies the power you put in through the pedals, and has three settings, 100%, 200% and 300%. At 100%, if you put in 100 W of power the motor will provide a boost of 100 W. Hills will still slow you down, but they won't exhaust you. Unlike throttled bikes, if you don't pedal then the motor will not engage. The average speed of the winner of the Tour de France, a race over quite substantial mountains, is about 40 km/h. If they were riding a pedelec they would get no benefit whenever they were going faster than 30 km/h, but they would find the climbs a whole lot easier!

It is obvious that Western Australia's laws were not devised by someone who had ever ridden a pedelec. Luckily, there is no way that anyone other than the rider can tell if the motor is engaged. It is virtually silent, and you can go no faster than a reasonably fit cyclist is able. In accelerating from standstill and climbing a hill your pedalling is most enhanced, but its effect is to make you ride with more comfort rather than more speed. The law preventing electric bikes from using shared paths seems peculiar to Western Australia, and is particularly misguided. There is no reason than a pedelec is any more or less dangerous than a standard bicycle. The law eliminates a common scenario of a fit cyclist on a normal bike riding with a less-fit person riding a pedelec, a combination which I have found works very well.

If pedelecs were readily available in Perth, and if the laws were the same as those in Europe then I would consider purchasing one. It would be used for commuting, replacing my car two or more days a week. It would also encourage recreational cycling, as I could go much further without tiring, thereby greatly expanding the regions reachable from my home.

Losing Languages

There has been a precipitous drop in the numbers of students studying a language in secondary school in England over the last decade.



The percentage of students at independent schools studying at least one language is now almost double that in state schools.