A Close Run Thing – England’s Lucky Escape from the Spanish Armada

We like to think of the Royal Navy, led by the likes of Drake & Raleigh, as plucky little fighters whittling down the Spanish leviathan as it chugged up the English Channel on its inexorable path of conquest. However the truth is a little different and if it weren’t for some key items of luck, 1066 wouldn’t be the date that British schoolchildren remember as the last time England was invaded but 1588 (and we’d all probably be speaking Spanish as well).

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Why do we need sleep?

It used to be thought that there was no special reason for sleep, however we now know it does have a purpose and function, but we’re not entirely sure what it is yet. In this article we look at the probable reasons for sleep.

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How did the Romans do the calculations necessary for construction and other purposes using Roman numerals?

The Romans were skilled architects and engineers the likes of which the world had not seen before. They built huge elaborate and perfectly balanced structures that are not only still standing but still in use 2,000 years later. However their number system, whilst useful, was anything but straight forward. So how did the Romans manage to do the calculations necessary for construction using this rather unwieldy number system ?

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