Routers The Internet Youtube Offline Computerphile

Why do WiFI speeds vary so much? Dr Steve Bagley demonstrates how even a poor signal for one person can affect those with a ... IP addresses explained - what do these mysterious numbers and dots mean and how are they used? Richard Mortier explains the ... ISPs don't always get it right - they gamble that all of their subscribers won't use all of their bandwidth all of the time. Dr Richard ... Governments can censor access to the web, but how do they restrict access? Sheharbano Khattak, Research Assistant at the ... We've all got to the edge of the wifi coverage, but the idea of coverage produces a network problem, the Hidden Node Problem. Remembering a time when connections were down to 40 bits per second, and the resulting algorithms still in use today!