calculators, phones, computers, abacus, maybe a robot!
Smart phones, laptops, notebooks, e-books, internet
Executive Ergonomic Five-star Office Chair by EC World Enterprises is good.
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The Five Generations of Computers were all not exact and some overlap in technologies exist.
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Yes, the cost for eye surgery has gone up in the last five years due to some advanced lasik technologies. Although cost is very expensive, the surgery error rate has come down by the usage of advanced technologies
Machine guns, trucks, planes, mortars, and telegrams. These are the first five that come to mind.
How much coins of 25cents do you need to complete $175
What qualifies someone to be chief in the league of five nation
Many technologies can fall into both the human failures category and the human success category. A good example of this would be the light bulb, because Thomas Edison had to fail a large number of times before he succeeded. Human's failures in technologies would be nuclear power, weaponry, medicine, thermodynamics, and genetic engineering. We eventually succeed in all of the categories, but we first had to fail. Man's success in technologies would be wind and solar energy, computers, automobiles, telephones, and portable music players. These technologies were also trial and error before they were a success, but they are always being changed and becoming more advanced, now that they work.
Columbia