DaveC426913's latest activity

Gravity, AKA spacetime curvature, is a thing in the universe, but it is not - itself - matter. But the bigger, easier answer is - as...

The term is descriptive, not prescriptive. i.e. just because we define something one way at some time doesn't mean nature is obliged to...

Are nuerons a requirement for ijntelligence? Does this apply to, say, alien life? It's largely a fanciful, philosophical exercise but...

As one does. :wink:

: It would be better to just read what physics does say about photons, than to you make your own assertions.

For future reference: PF does not allow personal theories. PF supports established, peer-reviewed standard model science. That does not...

What determines whether changes you make affect you? In principle, anything that happens within your past light cone can affect you...

The problem comes when you try to describe that scenario. The devil is in the details. How would you know if time had stopped on a...

That would be a commute of 30 minutes! Less than it takes me on a busy Monday.

No. Light does not experience time. There is no valid frame of reference for a photon. This is a direct result of the postulates of...

You did not read my post. I disagree. See my post.

That's not really the way they work. A well-designed intelligence test will not be one that you get to take a second time and have it...

Because the whole point is that it's not about what goes on on the inside; it's about results. If it is so sophisticated that you can't...

Just heard this one on the radio this morning. Merriam-Webster* recognizes the only non-Earth language word: grok. (It's Martian) It's...

Is it? Or are you taking it too literally? If I go to Spatula World, that doesn't mean there is one thing that is a spatula; it means...