Showing 10 of 21861 quotes
In the context of general relativity, space almost is a substance. It can bend and twist and stretch, and probably the best way to think about space is to just kind of imagine a big piece of rubber that you can pull and twist and bend. ”
Space is certainly something more complicated than the average person would probably realize. Space is not just an empty background in which things happen. ”
If one just tried to invent a universe on one's own, it would probably end up being a much less colorful and interesting universe than the one that we live in. ”
If you bang two electrons together with enough energy, you produce protons. If there are no independent laws, then all the properties of protons must somehow be 'known' by the electrons. By extension, every elementary particle must carry around enough information to produce the entire universe. I find that difficult to believe. ”
It is rather fantastic to realize that the laws of physics can describe how everything was created in a random quantum fluctuation out of nothing, and how over the course of 15 billion years, matter could organize in such complex ways that we have human beings sitting here, talking, doing things intentionally. ”
If there's no limit to how big the entropy can get, then you can start anywhere, and from that starting point, you'd expect entropy to rise as the system moves to explore larger and larger regions of phase space. ”
If you consider the universe one second after the Big Bang, the expansion rate would have to have been just right to an accuracy of 15 decimal places, or else the universe would really not work. ”
Bitcoin is really a fascinating example of how human beings create value, and is not always rational... tt is not a rational currency in that case. ”
We can't recreate Woodstock, nor do we want to. We want to turn its notoriety into a place where we can shape controlled, scaled-down musical events of all sorts. ”
Flying in space is risky. It will never be safe, and the best thing we can do is manage those risks. It's important for people, for human beings, to be in space because they're adaptable and because they're not pre-programmed software that can go off and do tasks that are appropriate for machines. ”