I don't think the human race will survive the next thousand years, unless we spread into space.
It was Einstein's dream to discover the grand design of the universe, a single theory that explains everything. However, physicists in Einstein's day hadn't made enough progress in understanding the f...
I think we have a good chance of surviving long enough to colonize the solar system.
Perhaps one day I will go into space.
For millions of years, mankind lived just like the animals. Then something happened which unleashed the power of our imagination. We learned to talk and we learned to listen. Speech has allowed the co...
Sometimes I wonder if I'm as famous for my wheelchair and disabilities as I am for my discoveries.
People won't have time for you if you are always angry or complaining.
There are grounds for cautious optimism that we may now be near the end ofthe search for the ultimate laws of nature.
This picture of a hot early stage of the universe was first put forward by the scientist George Gamow in a famous paper written in 1948 with a student of his, Ralph Alpher. Gamow had quite a sense of...
However difficult life may seem, there is always something you can do and succeed at.
Science is increasingly answering questions that used to be the province of religion.
God may exist, but science can explain the universe without the need for a creator.
We must develop as quickly as possible technologies that make possible a direct connection between brain and computer, so that artificial brains contribute to human intelligence rather than opposing i...
I believe there are no questions that science can't answer about a physical universe.
Science can lift people out of poverty and cure disease. That, in turn, will reduce civil unrest.
Throughout history, people have studied pure science from a desire to understand the universe rather than practical applications for commercial gain. But their discoveries later turned out to have gre...
The human race is just a chemical scum on a moderate-sized planet, orbiting around a very average star in the outer suburb of one among a hundred billion galaxies. We are so insignificant that I can't...
I have noticed that even those who assert that everything is predestined and that we can change nothing about it still look both ways before they cross the street
Time travel was once considered scientific heresy, and I used to avoid talking about it for fear of being labelled a 'crank.'
In the past, there was active discrimination against women in science. That has now gone, and although there are residual effects, these are not enough to account for the small numbers of women, parti...