When one shows up in jeans and a T-shirt, I strongly feel that the audience reacts in a very different way than when you show up in a sport coat and a tie.
There is good evidence that Venus once had liquid water and a much thinner atmosphere, similar to Earth billions of years ago. But today the surface of Venus is dry as a bone, hot enough to melt lead, there are clouds of sulfuric acid that reach a hundred miles high and the air is so thick it’s like being 900 meters deep in the ocean.
When we see the shadow on our images, are we seeing the time 11 minutes ago on Mars? Or are we seeing the time on Mars as observed from Earth now? It’s like time travel problems in science fiction. When is now; when was then?
If the Earth gets hit by an asteroid, it’s game over. It’s control-alt-delete for civilization.
But investment in space stimulates society, it stimulates it economically, it stimulates it intellectually, and it gives us all passion.
As you may know, I am a mechanical engineer.
Unlike science, creationism cannot predict anything, and it cannot provide satisfactory answers about the past.
Evolution is the fundamental idea in all of life science – in all of biology.
As a kid at the World’s Fair in 1965, I missed seeing the big global population clock roll over from 2,999,999,999 to 3 billion – I was really disappointed.
After I had this idea to be Bill Nye the Science Guy, I wore straight ties the first couple times, and then I got this thing going and I started wearing bow ties.