Celebrating The Origins of Packet Switching

XaN-ASMoDi writes with an interesting historical piece at the BBC on the early history of packet switching, excerpting: "It has often been said that change is the only constant in the 21st Century. And there is little doubt that the restless tone of these times is something that the web has helped to accelerate, but the only reason that [...] the web can cope with that punishing pace is thanks to work done four decades ago by British mathematician Donald Davies at the UK's National Physical Laboratory (NPL). On 5 August 1968 Dr Davies gave the first public presentation of work he had been doing on a method of moving data around computer networks called 'packet switching.'"

Comments

All times

[Ian Alexander]

It has often been said that change is the only constant in the 21st Century.

I've never heard that applied specifically to the 21st century. It's an oddly-specific use of the phrase: does that imply that change has not been constant in other times? Empires grow and fall, cultures collapse or are swept away or conquered by the next Big Empire, customs change, ethnic identities change, etc etc. The only unique thing about the 21st century is that we've inherited a tradition of rapid technological change. Technology is important but it's hardly the only thing that changes over time and it strikes me as fairly myopic to single out the 21st century as a time of change.

Re:All times

[Ian Alexander]

Altogether I think that whoever it is who comes up with these expressions is not mathematically or scientifically literate.

Altogether I think that people who read phrases like "the only constant is change" and flourish a physical constant as counterevidence have completely missed the point of the expression.