The digital soul
My Facebook page may be part of my identity, but can it give me a virtual afterlife?
Like the world fairs of old, Silicon Valley runs on booms, busts, and showboating impresarios. That's a good thing
Dark side of the moon
Like evangelists, astronauts travel far and return with glad tidings. But however high they ascend, they’re only human
The ghost commune
Unplugging from the electrical grid was relatively easy. What we didn’t realise was that we needed the human grid, too
The attention economy
It costs nothing to click, respond and retweet. But what price do we pay in our relationships and our peace of mind?
Life in the fishbowl
In the future, most people will live in a total surveillance state – and some of us might even like it
We surf the net, stream our films and save stuff in the cloud. Can we get all the nature we need from the digital world?
Catching the stars
Roger Angel is one of the world's most brilliant and audacious engineers. Could he design the next energy revolution?
Riches beyond belief
If you want to know what money is, don’t ask a banker. Take a leap of faith and start your own currency