Imagination alone is not enough, because the reality of nature is far more wondrous than anything we can imagine

The center line of science literacy - which not many people tell you, but I feel this strongly, and I will go to my grave making this point - is how you think.

What are we promoting in society? Well-behaved automatons that spew back what they learned in a book. That's not science. You can get a parrot to do that.

If the Sun exploded, we wouldn't know about it for 8 minutes and 20 seconds. Light and gravity take that long to reach us. Then we would vaporize.

Like a snowplow in overdrive, a supernova shockwave might sweep away any gas clouds in its path.

Santa knows Physics: Of all colors, Red Light penetrates fog best. That's why Benny the Blue-nosed reindeer never got the gig.

Nothing is a thing: it's nothing. So I can imagine a place where there's not even nothing.