Do you think we create a new problem with each invention?

A film like The Matrix has explored the idea that we might be living in virtual reality. But what evidence is there for or against this hypothesis? And what are its implications?

If we suddenly found out there were alien civilizations on other planets, would that change our world? How?

Do you believe animals can be preserved?

How old will people live to be in the future?

What kind of developments might happen in health care in the future?

How can we preserve the future for the next generation?

Do you think the Earth will become overpopulated? Will there be any forests left?

Could there be another world war in the future? How can we prevent a world war from happening?

Do you think life will be more difficult or easier for our grandchildren? In what ways?

If we could make molecule-sized robots, what could we do with them?

Is there anything that does not yet exist that you would like to see invented? What is it?