I dunno...there are so many, how many of us can imagine living without our vehicles (at least where I live in maine, life would practically cease without a car), cell phones, computers, internet and all that fun stuff?? I would have to say, as far as changing just about every aspect of life in a short period of time...the computer.
2007-06-04 17:39:37
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answer #1
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answered by ~~*Paradise Dreams*~~ 6
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A spear, or javelin! The marine equivalent being the harpoon. The use of these tools expanded man's ability to migrate, especially into cold, challenging, northern climes. .The immediate predecessor was the knife, but the knife could not be thrust from a safe distance, or thrown a good distance to secure the quarry (or assail the enemy).
2007-06-05 00:51:42
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answer #2
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answered by screaming monk 6
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Birth Control Pills :)
2007-06-05 04:24:16
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answer #3
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answered by *Honey Bun* 3
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To me Jessica Alba
2007-06-05 10:13:28
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answer #4
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answered by achilles 2
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Tampons.
2007-06-05 10:55:06
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answer #5
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answered by the only jag 3
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Cell Phone.
2007-06-05 00:37:29
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answer #6
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answered by Mariposa13 3
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Most significant to humanity: Knife / Cutting Tools.
Most significant to me: eye glasses / microscopes / binoculars / telescopes / magnifying glasses / electron microscopes.
2007-06-05 00:43:45
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answer #7
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answered by Anonymous
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Either penicillin or the remote control.
2007-06-05 19:33:30
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answer #8
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answered by 2jaxx 5
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electricity wasn't invented, it was discovered.
the transistor, invented by shockley, brattain, and bardeen
2007-06-05 21:56:08
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answer #9
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answered by shorty 2
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The wheel.
2007-06-05 09:20:02
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answer #10
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answered by La5all3 4
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