Questions from curious kids – why do we have two ears? Grown up’s initial response – so we can tell where sounds are coming from? After searching around to find out for sure, here is a clear explanation from healthy hearing.com…… Read more...
We’ve just spent a few sunny days in London, travelling around the city on the tube. We noticed that some tube stations were really busy whilst some were pretty quiet, and so we wondered: ‘Which is the busiest tube station in London?’
Answer: Waterloo. Waterloo station also has the most escalators – 23!
You can read more facts and figures about the tube on the Transport for London website here.… Read more...
When you key in a telephone number, why does each number have a specific tone? I wondered this a couple of days ago.
Answer: http://en.wikipedia.org/wiki/Dual-tone_multi-frequency… Read more...