Stephen Hawking

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Last quote by Stephen Hawking

Trump's action could push the Earth over the brink, to become like Venus, with a temperature of 250 degrees and raining sulfuric acid. Climate change is one of the great dangers we face, and it's one we can prevent if we act now.feedback
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Jul 11 2017 Climate change
Stephen Hawking has been quoted 56 times in 24 different articles. On this page, you will find all of Stephen Hawking’s quotes organized by date and topic. Alongside each quote is a link back to the article where the quote was reported, so you can go back to the source for more context if you need it. Topics that Stephen Hawking speaks about are Earth and Venus, for example. Most recently, Stephen Hawking was quoted in the article Stephen Hawking says Trump’s climate policies are pushing Earth toward an irreversible “tipping point” saying, “We are close to the tipping point where global warming becomes irreversible. Trump's action could push the Earth over the brink, to become like Venus, with a temperature of two hundred and fifty degrees, and raining sulphuric acid.”.
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Stephen Hawking quotes

Jun 20 2017 - Climate change

I am convinced that humans need to leave earth. The Earth is becoming too small for us, our physical resources are being drained at an alarming rate. We have given our planet the disastrous gift of climate change, rising temperatures, the reducing of polar ice caps , deforestation and decimation of animal species.feedback

Jun 06 2017

I'm voting Labour because another five years of Conservative government would be a disaster for the NHS (National Health Service), the police and other public services. His heart is in the right place and many of his policies are sound, but he has allowed himself to be portrayed as a left wing extremist.feedback

May 24 2017

To my mathematical brain, the numbers alone make thinking about aliens perfectly rational.feedback

May 05 2017 - Artificial Intelligence

I think the development of full artificial intelligence could spell the end of the human race.feedback

May 05 2017 - Artificial Intelligence

We must … continue to go into space for the future of humanity. I don't think we will survive another 1,000 years without escaping beyond our fragile planet. Our picture of the universe has changed a great deal in the last 50 years, and I am happy if I have made a small contribution. Once humans develop artificial intelligence, it will take off on its own and redesign itself at an ever-increasing rate. Humans, who are limited by slow biological evolution, couldn't compete and would be superseded.feedback

May 05 2017

Although the chance of a disaster to planet Earth in a given year may be quite low, it adds up over time, and becomes a near certainty in the next thousand or ten thousand years. By that time we should have spread out into space, and to other stars, so a disaster on Earth would not mean the end of the human race. However, we will not establish self-sustaining colonies in space for at least the next hundred years, so we have to be very careful in this period.feedback

Mar 27 2017

Computers will overtake humans with AI at some within the next 100 years. When that happens, we need to make sure the computers have goals aligned with ours.feedback

Mar 20 2017

Trump was elected by people who felt dis-enfranchised by the governing elite and a revolt against globalization. His priority will be to satisfy this electorate who are neither liberal nor that well-informed. The reaction to the election of Donald Trump may have been overdone, but it represents a definite swing to a right-wing, more authoritarian approach. A similar ruling in Canada had a chilling effect on science there.feedback

Mar 20 2017

Everyday life in the United states continues much the same. I have many friends and colleagues there, and it is still a place I like and admire in many ways, but I fear that I may not be welcome.feedback

Mar 20 2017

I would never claim this. People who boast about their IQs are losers.feedback

Mar 20 2017 - Climate change

I would like to visit again and talk to other scientists. But I fear that I may not be welcome. He should replace Scott Pruitt at the Environmental Protection Agency. Climate change is one of the great dangers we face. And it's one we can prevent. It effects America badly, so tackling it should win votes for his second term. God forbid.feedback

Mar 20 2017 - Travel ban

His travel ban brands as Islamic State terrorists all citizens of six mainly Muslim countries, but not including America's allies such as Iraq, Saudi Arabia and Qatar, which allegedly help finance Islamic State. This blanket ban is inefficient and prevents America recruiting skilled people from these countries. To be effective, it should be replaced by a more selective, intelligence-based approach.feedback

Mar 20 2017 - Unemployment

Ever since the start of the industrial revolution, there have been fears of mass unemployment, as machines replaced humans. Instead, a demand for goods and services has risen in line with the increased capabilities. Whether this can continue indefinitely is an open question, but there is a greater danger from artificial intelligence if we allow it to become self-designing, for then it can improve itself rapidly, and we may lose control.feedback

Mar 20 2017

I can't. He's a demagogue who seems to appeal to the lowest common denominator.feedback

Mar 20 2017 - Carbon

Trump was elected by people who felt disenfranchised by the governing elite in a revolt against globalization. His priority will be to satisfy his electorate, who are neither liberal nor that well-informed. We have already seen this in the promise to build a wall along the Mexican border and the sanctioning of two oil pipelines and the appointment to the Environmental Protection Agency of Scott Pruitt, a man who does not believe carbon dioxide causes climate change.feedback

Mar 20 2017 - Climate change

The reaction to the election of Donald Trump may have been overdone, but it represents a definite swing to a right-wing, more authoritarian approach. I have many friends and colleagues there, and it is still a place I like and admire in many ways. But I fear that I may not be welcome. Climate change is one of the great dangers we face, and it's one we can prevent.feedback

Mar 20 2017 - Climate change

My three children have brought me great joy. And I can tell you what will make me happy, to travel in space. I thought no one would take me but Richard Branson has offered me a seat on Virgin Galactic, and I said yes immediately.feedback

Mar 20 2017 - Gender equality

I welcome these signs of women's liberation. But there may still be a gap between those women achieving high public status and those in the private sector. It is not scientific proof of gender equality that is required, but general acceptance that women are at least the equals of men, or better. This is coming. If we factor in high-powered women in Europe as well, such as Angela Merkel, it seems we are witnessing a seismic shift for women to accede to high-level positions in politics and society.feedback

Mar 20 2017

I have always supported women's rights. I moved the admission of women to my college, Gonville and Caius College, Cambridge. The results were wholly good. I don't believe there will be much chance of Labour winning an election under him. He doesn't come across as a strong leader, and he allowed the media to portray him as a left-wing extremist, which he's not. It's no good having the right principles if you never get in power. But I will continue to vote Labour, it's the party that matters.feedback

Mar 20 2017

Thankfully, this is beyond human reasoning. And should remain so.feedback

Mar 19 2017 - Climate change

Trump was elected by people who felt disenfranchised by the governing elite in a revolt against globalisation. His priority will be to satisfy his electorate, who are neither liberal nor that well informed.feedback

Mar 19 2017

The best we can envisage is robotic nanocraft pushed by giant lasers to 20% of the speed of light. These nanocraft weigh a few grams and would take about 240 years to reach their destination and send pictures back. It is feasible and is something that I am very excited about. He doesn't come across as a strong leader, and he allowed the media to portray him as a leftwing extremist, which he's not. It's no good having the right principles if you never get in power.feedback

Mar 19 2017

I would like to visit again and to talk to other scientists, but I fear that I may not be welcome. But there may still be a gap between those women achieving high public status and those in the private sector. I welcome these signs of women's liberation. The recently discovered system of seven Earth-sized planets is 39 light years away. With current technology there is no way we can travel that far.feedback

Nov 17 2016 - NASA

We must also continue to go into space for the future of humanity. I don't think we will survive another 1,000 years without escaping beyond our fragile planet.feedback

Nov 17 2016

Be curious and however life may seem there's always something you can do and succeed at - it matters that you don't just give up.feedback

Jul 29 2016

Now we must learn to live outside the EU, but in order to manage that successfully we need to understand why British people made the choice that they did. I believe that wealth, the way we understand it and the way we share it, played a crucial role in their decision.feedback

Jul 29 2016

If that were to happen, I would not be optimistic about the long-term outlook for our species.feedback

May 31 2016

Trump is a demagogue.feedback

May 31 2016 - Carbon

The more immediate danger is runaway climate change. A rise in ocean temperatures will melt the ice caps and cause the release of large amounts of carbon dioxide from the ocean floor.feedback

Apr 14 2016

Light driven nanocrafts are the most pragmatic technology available. Fusion and anti-matter are a long way away in the future.feedback

Apr 14 2016

The probability is low… Probably….feedback

Apr 13 2016

With light beams, light sails and the lightest spacecraft ever built we can launch a mission to Alpha Centauri within a generation. Today we commit to this great next leap into the cosmos because we are human and our nature is to fly.feedback

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