I don't think they did.
me
chor kutta tuma nahi ata
Probably it was the ancient Babylonians whose number base was 60 or maybe the ancient Mayans whose number base was 20
The warning system for tornadoes has improved, giving people a better chance to get to safety before a tornado hits.
Improved Launch Control System was created in 1979.
Where was earliest known writings about the circulatory system found?Read more: Where_was_earliest_known_writings_about_the_circulatory_system_found
Greek System
Where was earliest known writings about the circulatory system found?Read more: Where_was_earliest_known_writings_about_the_circulatory_system_found
Where was earliest known writings about the circulatory system found?Read more: Where_was_earliest_known_writings_about_the_circulatory_system_found
It is thought that the first use of numbers was about 30,000 BC. The earliest known base 10 system dates to about 3100 BC in Egypt.
It can be improved by adding newer parts to it
Marconi did not discover any new and revolutionary principle in his wireless-telegraph system, but rather he assembled and improved a number of components,