Dating ideas in boise idaho
The slide rule was invented around 1620–1630, shortly after the publication of the concept of the logarithm.
This includes simple special purpose devices like microwave ovens and remote controls, factory devices such as industrial robots and computer assisted design, but also in general purpose devices like personal computers and mobile devices such as smartphones.
It was designed to calculate astronomical positions.
It was discovered in 1901 in the Antikythera wreck off the Greek island of Antikythera, between Kythera and Crete, and has been dated to circa 100 BC.
The planisphere was a star chart invented by Abū Rayhān al-Bīrūnī in the early 11th century.
The astrolabe was invented in the Hellenistic world in either the 1st or 2nd centuries BC and is often attributed to Hipparchus.