At the close of his sixteenth and final Dynamics student lecture, Derek Moulton gives a three-minute summary of why Dynamics is a big deal. It's a tour de 'force'.

It has been erroneously suggested that we are using Pluto, our feline favourite, to sneak maths into the lives of people who don't understand it. Actually, we are using maths to sneak cats into the lives of people who don't understand them.

Pi and maths in India are on the menu in the last 'Tower of Babel'. Unlike other mathematical words, Pi has a habit of being the same in many languages.

Pi Day is on 14 March each year (geddit?). But if you don't want to be reminded of maths, there's always National Pie Day (US) or Pie Week (UK). Much too filling.

Pluto isn't doing much here. In fact he's not doing anything at all. But from his sedentary position, he is demonstrating an important piece of mathematics. Doesn't he always?

Latest episode of 'the Summer of Sam'.

Equations (in seven tongues) and al-Khwarizmi are the stars of Tower of Babel Episode 8. 

Note from our historian: as Yassine says, al-Khwarizmi gave his name to the word 'algorithm', but the use of an algorithm to solve what we now call quadratic equations dates back to the Mesopotamians c1800 BC.

A long time ago, in a distant land called the English summer, you'd often see, in gardens, long tubes, usually made of rubber or plastic. At the end of these tubes, hands would wave the tube about and water might - or might not - gush. Happy days.

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