Collaboration is a nice change of pace from the often solitary nature of the writer's craft.

I was only eight when Sputnik was launched, and at that age the boundary between science and fiction is pretty blurry. Whichever way the process ran, I've been a fan of science and SF ever since.

The biggest fatal flaw in most fictional portrayals of nanotech - what sends those books arcing across the room - is ignoring that the nanobots need energy to do... anything.

Science works as a way to make sense of life and the universe. Hard SF as my preferred fictional genre just feels natural.

The scope of what I have to say determines the length of what I write.

One doesn't just wander unvetted into someone else's epic interstellar future history.

It would help if human experts agreed on the meaning of such basic terms as intelligence, consciousness, or awareness. They don't. It's hard to build something that's incompletely defined.

The medical nanobots in my novel 'Small Miracles' tap the energy sources that the patient's own body provides. That is, they can metabolize glycerol and glucose, just as the cells in our bodies do.

Time travel offends our sense of cause and effect - but maybe the universe doesn't insist on cause and effect.

We navigate many paths each day, but how many sooth our souls and nourish our senses? Be aware of where you walk because the path you take can change your very essence.

The way to my heart shattered when you left me, but I was glad because your memories were invulnerable, locked inside my heart.

Your power to choose can never be taken from you. It can be neglected and it can be ignored. But if used, it can make all the difference.

never gonna find, anything to change my mind

It is amazing how a new child can refocus one's direction seconds after its birth.

Because of Watergate in part, I am kind of a magnet for calls and information and suggestions.

We want to rescue the American dream.

At some point, we have to stop a force that's going out and drowning people in steel cages and chopping off heads.

When Dwight Eisenhower became president, I personally was delighted. I thought that that was a very good thing.

It's very easy for some men and in some cases women to sit back and say with 20-20 hindsight, "Tsk-tsk, should have done more." But it doesn't account for the reality.