December 9, 2013

Numbers changing numbers

Advent Computing: Numbers changing numbers

The Turing machine we saw has its instructions, which we often think of as its program, and its tape, which is its memory. That’s not really accurate, though, and hasn’t really been accurate since we stopped writing programs by punching holes in bits of cardboard....

Advent Oil & Gas: Processing 2 – refining

Once stabilised, crude oil is processed at a refinery to turn it into useful products like petrol, diesel, and heavy oil.  This is a fiendishly complicated chain of operations – but there are not that many basic processes, and individually they aren’t too hard to get...

Link to Separating funnel

Separating funnel

Separating solids from liquids is as simple as using a sieve. Sometimes a complicated version of a sieve, designed to be faster and finer, but basically still a sieve. Sieves are not noted for their ability to separate liquids, but luckily there is an extremely...