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I'm a technological optimist in that I do believe that technology will provide solutions that will allow the world in 2050 to support 9 billion people at an acceptable standard of living. But I'm a political pessimist in that I am concerned about whether the science will be appropriately applied.

Martin Rees

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Martin Rees
Age: 82
Born: 1942
Born: June 23
Astronomer
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Professor Martin John Rees
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More quotes by Martin Rees

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God invented space so that not everything had to happen in Princeton.
Martin Rees
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I think all countries need to aim to cut the CO2 emissions per person, taking account of externalities like imports and exports.
Martin Rees
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Science isn't just for scientists - it's not just a training for careers.
Martin Rees
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I think a few hundred years from now we'll start having the 'posthuman' era of different species.
Martin Rees
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One of the computer models for a four degree temperature rise would give rise to a 10 degree temperature rise in Africa. And bear in mind also that in the depth of an ice age the mean temperature drop compared to the present was five degrees.
Martin Rees
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The U.S., France, Germany and Canada have all responded to the financial crisis by boosting rather than cutting their science funding. The U.K. has not.
Martin Rees
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In the case of climate change, the threat is long-term and diffuse and requires broad international action for the benefit of people decades in the future. And in politics, the urgent always trumps the important, and that is what makes it a very difficult and challenging issue.
Martin Rees
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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
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If we ever establish contact with intelligent aliens living on a planet around a distant star ... They would be made of similar atoms to us. They could trace their origins back to the big bang 13.7 billion years ago, and they would share with us the universe's future. However, the surest common culture would be mathematics.
Martin Rees
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Devastation could arise insidiously, rather than suddenly, through unsustainable pressure on energy supplies, food, water and other natural resources. Indeed, these pressures are the prime 'threats without enemies' that confront us.
Martin Rees
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In this century, not only has science changed the world faster than ever, but in new and different ways. Targeted drugs, genetic modification, artificial intelligence, perhaps even implants into our brains - may change human beings themselves.
Martin Rees
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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
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Some claim that computers will, by 2050, achieve human capabilities. Of course, in some respects they already have.
Martin Rees
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Scientists habitually moan that the public doesn't understand them. But they complain too much: public ignorance isn't peculiar to science. It's sad if some citizens can't tell a proton from a protein. But it's equally sad if they're ignorant of their nation's history, can't speak a second language, or can't find Venezuela or Syria on a map.
Martin Rees
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Campaigning against religion can be socially counter-productive. If teachers take the uncompromising line that God and Darwinism are irreconcilable, many young people raised in a faith-based culture will stick with their religion and be lost to science.
Martin Rees
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I would support peaceful co-existence between religion and science because they concern different domains. Anyone who takes theology seriously knows that it's not a matter of using it to explain things that scientists are mystified by.
Martin Rees
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Crucial to science education is hands-on involvement: showing, not just telling real experiments and field trips and not just virtual reality.
Martin Rees
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An insect is more complex than a star..and is a far greater challenge to understand.
Martin Rees
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The important point there is that when people talk about a mean temperature rise of say two, three or four degrees that's a sort of global average which really is a signature of large scale change in climatic patterns.
Martin Rees
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I recall a lecture by John Glenn, the first American to go into orbit. When asked what went through his mind while he was crouched in the rocket nose-cone, awaiting blast-off, he replied, I was thinking that the rocket has 20,000 components, and each was made by the lowest bidder.
Martin Rees