Question:
During the Renaissance, there were technological advances that made the exploration of distant lands possible.?
Amanda
2011-01-07 18:17:10 UTC
During the Renaissance, there were technological advances that made the exploration of distant lands possible. What do you think was the most significant technological advancement of this time? Why was it so important?
Nine answers:
ammianus
2011-01-08 01:36:28 UTC
The stern mounted rudder.



This made steering a ship much easier, especially in a straight line, so the time taken on long voyages was considerably reduced.
?
2016-11-09 10:48:08 UTC
Technology During The Renaissance
?
2011-01-07 18:35:24 UTC
The question is about technological advances that made exploration possible. Of these (gunpowder is not one), it it perhaps the magnetic compass that is the most significant, for it made possible the determination of direction even on a cloudy night at sea. This is significant if you are at sea at the time, and the sheer length of sea voyages in those days meant that you would be, often for days or weeks on end.



The second is probably the invention of the astrolabe, for it made possible the determination of lattitude, and rudimentary celestial navigation.



Great things tend to come in threes, and my nomination the third invention was the telescope. This made possible the use of Jupiter's moons as giant clock hands, which then could be used for the determination of longitude.
?
2011-01-07 19:36:24 UTC
The improvements in ships, weapons, clothing, rocketry and underwater techniques helped with the improvement of navigation.



Some of the world’s most important explorers used astrolabes on the expeditions to faraway lands. Christopher Columbus used an astrolabe in his historic voyage to the Americas. Ferdinand Magellan and his crew relied, in part, on an astrolabe during the first circumnavigation of Earth from 1519 to 1521. Many Arab travelers used astrolabes to navigate the desert. Perhaps the hourglass was used.



The astrolabe was probably first used by the ancient Greek astronomer Hipparchus. In the 16th century, shortly before the invention of the telescope, the Danish astronomer Tycho Brahe, whose amazingly accurate observations made possible the formulation of the present theories of the solar system, constructed an astrolabe with a radius of 10 ft. Until superseded by the sextant during the 18th century, smaller types of astrolabes were the principal instruments used by navigators.



Once out of sight of land, sailors use the stars for guidance. The octant and sextants are instruments that measure the altitude of celestial bodies to determine ship position. The octant was invented by John Hadley in the 1730s; to workout the latitude but not longitude. The octant was succeeded by John Campbell’s sextant in 1757, which could measure both. In combination with the sextant, the pocket watch was critical for timing (latitude & longitude). Weight-Driven clock was useless in a moving ship.
Jessica
2016-04-25 05:51:13 UTC
You're a little more optimistic than me about the pace of space exploration. I see you're more optimistic about longevity than me too. I'm a male in my 50s now and figure I've got a good shot at 30 years.more. So my horizon is around 2040. 1. Permanent robotic moonbase (but not inhabited on a permanent basis). 2. Solution to the mysteries of dark energy and dark matter. 3. Tourism to orbit. 4. I'll take your FTL neutrinos. I'm very skeptical, but damn that would be cool. 5. Life discovered in our solar system. My money is on Saturn's moon Titan, which has something very odd going on on the surface, discovered by the Cassini space mission. Something in the methane lakes there is "breathing" hydrogen. 6. Commercial space industry overtaking government exploration. Perhaps some commercial presence on the moon, almost certainly in space stations. 7. Some consortium is building a space elevator, but might be taking 30 years to build it.
anonymous
2016-12-16 18:03:01 UTC
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anonymous
2011-01-07 23:09:22 UTC
Actually the machine that made the age of exploration possible was the development of the fully rigged ship. The rest of the stuff made it easier, but without the ship no body went anywhere.
?
2011-01-07 18:23:42 UTC
Well, to me, the first one was that the world wasn't FLAT, but round. D'uh. :)



I mean, prior to this, most thought that if you went to far you would fall off the edge, or get eaten by monsters. When the heretical theory came about, it allowed them to start to think about heading the opposite way to get to a nation, or even find new ones. Thus, instead of heading East to Japan, today, we could head West and end up there, just on the other coast. So, when we tried, we ended up finding Central America, then America, and finally South America, and WOW, did we find gold, jewels, and slaves galore.
?
2011-01-07 18:25:47 UTC
Gunpowder. It changed warfare in Eurpoe.


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