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I think the invention of the microchip has got to be up there somewhere..
So many things in our lives would not be possible without the microchip. I believe the kudos goes to Jack Kilby
However, I agree with refrigeration too, that's a good shout.. There are so many things to choose from... :unsure:
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The printing press- made it possible to disseminate information and technology to the masses.
The marine chronometer- made transoceanic navigation more than a hit or miss affair.
Helen Mirren-no particular reason, just think the world would be a poorer place without her.
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Yeah, thank god for that.
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Nut-crackers and socket wrenches.
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i'm going to have to second thongs on this one for world's greatest invention :)
one good invention that really changed our lives would definately have to be the wheel as someone mentioned b4.