In our interconnected world, novel technology could empower just one fanatic, or some weirdo with a mindset of those who now design computer viruses, to trigger some kind of disaster. Indeed, catastrophe could arise simply from technical misadventure - error rather than terror. Martin Rees arisecatastrophecomputer share on social
If we ever established contact with intelligent life on another world, there would be barriers to communication. First, they would be many light years away, so signals would take many years to reach them: there would be no scope for quick repartee. There might be an IQ gap. Martin Rees barriercommunicationcontact share on social
I'm not myself religious but have no wish to insult or denigrate those who are. Martin Rees denigrateinsultreligious Change image and share on social
The scientific issues that engage people most are the truly fundamental ones: is the universe infinite? Is life just a sideshow in the cosmos? What happened before the Big Bang? Everyone is flummoxed by such questions, so there is, in a sense, no gulf between experts and the rest. Martin Rees bangbigcosmos share on social
I think a few hundred years from now we'll start having the 'posthuman' era of different species. Martin Rees erahundredposthuman Change image and share on social
Scientists surely have a special responsibility. It is their ideas that form the basis of new technology. They should not be indifferent to the fruits of their ideas. They should forgo experiments that are risky or unethical. Martin Rees basisexperimentforgo share on social
In future, children won't perceive the stars as mere twinkling points of light: they'll learn that each is a 'Sun', orbited by planets fully as interesting as those in our Solar system. Martin Rees childfullyfuture Change image and share on social
I have no religious belief myself, but I don't think we should fight about it. In particular, I think that we should not rubbish moderate religious leaders like the Archbishop of Canterbury because I think we all agree that extreme fundamentalism is a threat, and we need all the allies we can muster against it. Martin Rees agreeallyarchbishop share on social
Computer power grows according to Moore's law, as does the sophistication of handheld devices. Martin Rees computerdevicegrow Change image and share on social
Science shouldn't be just for scientists, and there are encouraging signs that it is becoming more pervasive in culture and the media. Martin Rees cultureencouragemedium Change image and share on social