Exam 2 Flashcards
The most important invention which enabled engineers to convert continuous rotational motion to an oscillating or back and forth motion and made a mechanical clock working was:
The escapement
What is the Astrolabe?
An astronomical instrument to find the position of celestial bodies, invented in the Hellenistic period but drastically evolved during the period.
The Islamic translation movement, which preserved most of Hellenic and Hellenistic texts happened …………….., in an institute named ……………… located in ……………………
between 8th and 10th centuries AD / House of Wisdom / Baghdad
In a period between the 12th and 15th centuries, the “knight” replaced the
the peasant solider
What is the Antikythera mechanism?
An ancient Greek mechanical computer designed to calculate astronomical positions
What were the main advancements in ship construction in Europe, especially in Iberia, during the last quarter of the fifteenth century?
Introduction of the multi- masted ships + reinforcement of the ship hull
The mechanical clock was invented between:
13th and 14th centuries
Technological Progress in ancient projectile machines - from a simple bow to the trebuchet- was an attempt to:
Only A and B (Overcome the heavy dependence on human muscle & To increase the range and effectiveness of projectiles)
Islamic civilization combined three advantages which were very important in the history of the Middle Ages:
Providing a direct contact with the far east - Preserving Greek materials in science and technology - Perusing scientific inquiry
After the invention of the heavy plow, European farmers faced to solve the problem of:
Traction, because it had more friction
By the condemnation of 1277, the bishop of Paris:
condemned the teaching of more than 200 errors held by some Aristotelians
What was the most important astronomical system developed in the Hellenistic period?
the geocentric model of Ptolemy
In Europe, prior to the eighth century, warriors mainly fought on foot because:
They could not fight on the horse, because they didn’t know the stirrup
When a technology reaches to and end point/bottleneck:
New ideas/innovations/ or a revolution happens and a major progress starts in that field
Stereographic projection is:
a particular mapping that projects a sphere onto a plane