Carl Sagan describes how the ancient Greeks knew that the Earth was round. Aristotle used the round shadow of Earth on the moon during eclipses as evidence, while Eratosthenes measured the Earth’s circumference using the differences in shadow angles at two locations in Egypt.
In 1984, sending an email required access to a networked computer, such as those in universities or large corporations, and the use of a terminal or PC connected via dial-up modem.
Users had to navigate email software through command-line interfaces to compose and send text-onl
Digging into the history of ancient civilizations – from the Egyptians to the Mayans, each culture had its own unique legacy 🏛️ History is a tapestry woven with stories of triumphs and tribulations. #HistoryBuff#AncientCivilizations