Relegated Stadia from the Premier League

From the Premier League this season (2015/16) Aston Villa, Newcastle United and Norwich City were relegated. This represents the largest capacity of stadia relegated from the division since only 3 teams were relegated (a total of 122,331). This post contains the data (stadia capacity) for each of the relegated teams, since the 1995/96 season. Continue reading

Easy way to remember sin, cos and tan values

One of my tutees showed me an easy way to remember sin and cos values for the “common” angles, and once you’ve got those you’ve also got tan, cosec, sec and cot. Continue reading

Correlation between Astronaut name and Apollo mission

Perhaps we’ve finally worked out Deke Slayton’s method for choosing the Apollo crews, basing it on alphabetical order… Continue reading

Rooney Scores 50 goals for England – the data

So Wayne Rooney (I assume in the future it will be Sir Wayne) has broken the England goal scoring record with 50 goals. A lot of discussion has therefore been about if he is the greatest English attacker of all time or not. Let’s look at the data. Continue reading

Safe Reboot of Locked Linux Machine

Sometimes your Linux machine will lock up, it just happens. But before you reach for the reset button try and use the magic SysRq key combination to try and perform a safe reboot. Continue reading

Quick way to remove X Server for running a headless server

I use my Raspberry Pi as a headless server so do not need anything that relies on X11, this is a quick way to get rid of everything that depends on X11 to save some space. Continue reading

How far is 1 astronomical unit (AU)?

An astronomical unit (AU) is a commonly used unit in astronomy, but what exactly is its value?

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Making files and folders lowercase

Very occasionally I want to make all the files and folders of a particular directory lowercase (usually when porting an existing directory structure from Windows to Linux) this is how I do it.  Continue reading

Math(s) can be confusing…

I meet a man walking down the street, who I know has two children. He introduces me to his son, what is the probability that his other child is a girl? Continue reading

Goodbye Google Reader

As we say goodbye to one of my favourite Google features it is time to find a replacement.     Continue reading