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A new kind of ship, the caravel, was stronger and better built than earlier ships. It had triangle-shaped sails that allowed it to sail against the wind. Ships could now travel far out into the ocean. The magnetic compass allowed sea captains to better stay on course.
Alexandria, in Egypt. The first windmill was built by Heron of Alexandria in the 1st century (AD). His 'windwheel' operated an organ (the musical instrument). This was the first time wind had been used to power a machine in history! The first practical windmills (similar to windmills found today) were built by the Persians sometime during the 9th century. Persian geographer Estakhri noted the invention of windmills. There is one document (supposedly written between 634 and 644 AD) that suggest that windmills were invented in Persia in the 7th century. However, this document was probably created in the 10th century and, therefore, is unreliable.
The computer mouse was created by Stamford Research Institute in California. The first mouse (built out of a block of wood) is on display in a case in their lobby.
Yes, a fort was built at the crossing of the river Don in the first century AD. The fort was at first called Caer Daun. Later it was called Danum.
Roads were/are built with ditches for drainage purposes.Roads were/are built with ditches for drainage purposes.Roads were/are built with ditches for drainage purposes.Roads were/are built with ditches for drainage purposes.Roads were/are built with ditches for drainage purposes.Roads were/are built with ditches for drainage purposes.Roads were/are built with ditches for drainage purposes.Roads were/are built with ditches for drainage purposes.Roads were/are built with ditches for drainage purposes.
a 15th century is smaller than a ship built in the 20th century
The 15th century one is crappier
15th century smaller than 20th century
15th century caravel made out of wood and a 20th century ship is made out of metal.
Caravel
Many such ships were built. Notable amongst them were the Pinta and Nina on Columbus' voyage.
the satue of liberety was built in the 18 century
A caravel is a modern day ship that was used in the early ages of explorationThis is the type of ships that Christopher Columbus used to sail to the Americas;; The Nina, Pinta and the Santa MariaIt is a small light sailing vessel used by Spain and Portugal.
The Ajanta Caves were built from the 2nd Century to about 7th Century.
The information you gather in the research process
It was built in the 12th century.
it was built in 16 century.