I would like nuclear fusion to become a practical power source. It would provide an inexhaustible supply of energy, without pollution or global warming.

I am just a child who has never grown up. I still keep asking these 'how' and 'why' questions. Occasionally, I find an answer.

Observations indicate that the universe is expanding at an ever increasing rate. It will expand forever, getting emptier and darker.

Any physical theory is always provisional, in the sense that it is only a hypothesis: you can never prove it.

I used to think information was destroyed in black hole. This was my biggest blunder, or at least my biggest blunder in science.

If you lined up all the cars in the world end to end, someone would try to pass them.

We only have to look at ourselves to see how intelligent life might develop into something we wouldnt want to meet. I imagine they might exist in massive ships, having used up all the resources from their home planet. Such advanced aliens would perhaps become nomads, looking to conquer and colonize whatever planets they can reach.