December 11, 2013

A black-and-white photograph of two women operating a large computer. The computer has two large sections, both taler than the women, with a control panel visible in the left one, vacuum tubes visible on both, and a large paper tape reel on the right of the machine.

Advent Computing: A historical divergence: Wartime advances

The key idea from Babbage’s analytical engine was that of a single computer which could solve multiple problems. Previous devices were built to solve a single problem, and at best would need to be disassembled and rearranged before they could be used for anything else....

Advent Oil & Gas: Pipes and tankers

So we have all this useful stuff… but how do we get it to people who will pay for it?  The answer is, simply enough, “in bulk”.  Oil and gas are valuable commodities but it still makes sense to save as much as possible by...

Advent Chemistry: Hot Filtration

Filtration, like recrystallisation, is about physically seperating things. It’s not about doing a reaction. It’s just a way of getting the thing you want in a pot on its own. If what you want is solid, and everything else is liquid, this is quite easy,...