Popular Science

For decades we have been sold the idea that when we fully harness solar energy, all our problems of getting cheap and abundant energy, air...

James H. Schmitz The human imagination knows no limits. Einstein can tell us that the speed of light sets an insurmountable limit for object...

Image of "2001, a Space Odyssey" Actually, the title of this post is wrong. Traveling at the speed of light is impossible, because...

Most of the problems mentioned at the end of the previous post would disappear if the generational journey were combined with another scient...

In a subset of science fiction novels and stories, the journey to the stars is longer than a human lifetime. The space vehicles are huge, as...

Will interstellar travel be possible? At the current level of our technology, the answer is clearly no . Will it be possible in the future? ...

A.K. Dewdney Between 1984 and 1991, A.K. Dewdney authored numerous articles in the section on  Mathematical Games of Scientific American . ...