Time travel used to be thought of as just science fiction, but Einstein's general theory of relativity allows for the possibility that we could warp space-time so much that you could go off in a rocket and return before you set out. Stephen Hawking einsteinfictiongeneral share on social
I think computer viruses should count as life. I think it says something about human nature that the only form of life we have created so far is purely destructive. We've created life in our own image. Stephen Hawking computercountcreate share on social
Some people would claim that things like love, joy and beauty belong to a different category from science and can't be described in scientific terms, but I think they can now be explained by the theory of evolution. Stephen Hawking beautybelongcategory share on social
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 great practical benefits. Stephen Hawking applicationbenefitcommercial share on social
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, particularly in mathematics and physics. Stephen Hawking accountactivediscrimination share on social
God not only plays dice, but also sometimes throws them where they cannot be seen. Stephen Hawking dicegodplay Change image and share on social
If aliens visit us, the outcome would be much as when Columbus landed in America, which didn't turn out well for the Native Americans. Stephen Hawking alienamericaamerican Change image and share on social
Only black holes of very low mass would emit a significant amount of radiation. Stephen Hawking amountblackemit Change image and share on social
When we understand string theory, we will know how the universe began. It won't have much effect on how we live, but it is important to understand where we come from and what we can expect to find as we explore. Stephen Hawking begineffectexpect share on social
However difficult life may seem, there is always something you can do and succeed at. Stephen Hawking difficultlifesucceed Change image and share on social