Professor Goddard does not know the relation between action and reaction and the need to have something better than a read more

Professor Goddard does not know the relation between action and reaction and the need to have something better than a vacuum against which to react. He seems to lack the basic knowledge ladled out daily in high schools. -- 1921 New York Times editorial about Robert Goddard's revolutionary rocket work.

The world is very different now. For man holds in his mortal hands the power to abolish all forms of read more

The world is very different now. For man holds in his mortal hands the power to abolish all forms of human poverty, and all forms of human life.

The scientific theory I like best is that the rings of Saturn are composed entirely of lost airline luggage.

The scientific theory I like best is that the rings of Saturn are composed entirely of lost airline luggage.

We have a habit in writing articles published in scientific journals to make the work as finished as possible, to read more

We have a habit in writing articles published in scientific journals to make the work as finished as possible, to cover up all the tracks, to not worry about the blind alleys or describe how you had the wrong idea at first, and so on. So there isn't any place to publish, in a dignified manner, what you actually did in order to get to do the work.

I think computer viruses should count as life. I think it says something about human nature that the only form read more

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.

It is a good morning exercise for a research scientist to discard a pet hypothesis every day before breakfast. It read more

It is a good morning exercise for a research scientist to discard a pet hypothesis every day before breakfast. It keeps him young.

Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

For a smart material to be able to send out a more complex signal it needs to be nonlinear. If read more

For a smart material to be able to send out a more complex signal it needs to be nonlinear. If you hit a tuning fork twice as hard it will ring twice as loud but still at the same frequency. That's a linear response. If you hit a person twice as hard they're unlikely just to shout twice as loud. That property lets you learn more about the person than the tuning fork. - When Things Start to Think, 1999.

Sites need to be able to interact in one single, universal space.

Sites need to be able to interact in one single, universal space.