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 Our behavior – both good and bad – is contagious. Set a good example, behave in a mature, reasoned, professional manner and we will find that others around us will too. - dlavery [more] |
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#5
04-10-2011, 17:04
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Re: TOP TEN TECHNOLOGIES Pre-1970s
I'd put a mechanical clock on the list, it made "time" possible. Before clocks, society worked differently.
Plumbing--sewer and fresh water--also had a big effect, although it was not a sudden thing, and still doesn't exist in a lot of the world. Air conditioning.... 
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