106. arpanet: the internet's grandad (ks4)
Investigate the origins of the internet by exploring ARPANET, the pioneering military network that first introduced packet switching and global digital communication.
The internet did not just appear overnight; it started as a highly resilient communications network for the United States military called ARPANET. In this lesson, we will investigate how this pioneering project successfully connected four universities in 1969. You will discover how their experimental use of packet switching laid the groundwork for the modern, globally connected world.
Last modified: March 26th, 2026
