a simple wooden pole planted to mark water level in the river Nile; history of science in our world, began from there.
History of modern science begins from early Egypt, where, an unknown resourceful farmer planted a wooden pole in the flow of Nile river to mark the rise and fall in water level, in different times of the year.Beginning of Science was from agriculture.From that pole, planted millennums ago, science went to the extent of interplanatory travel.