My best teachers were not the ones who knew all the answers, but those who were deeply excited by questions they couldn't answer.
Brian GreeneRead
Many different planets are many different distances from their host star; we find ourselves at this distance because if we were closer or farther away, the temperature would be hotter or colder, eliminating liquid water, an essential ingredient for our survival.
Interpretation
The quote explains the unique conditions on Earth that allow for the existence of liquid water, which is vital for life.
Brian Greene highlights the delicate balance of conditions necessary for life on Earth, specifically the planet's position relative to the Sun, which dictates the temperature and the presence of liquid water. This ideal distance ensures that Earth is neither too hot nor too cold, allowing for the existence of the essential ingredient for life: water. If conditions were different, life as we know it might not exist.
In practice
This quote can be used in a science class discussion about the conditions for life on other planets.
My best teachers were not the ones who knew all the answers, but those who were deeply excited by questions they couldn't answer.
All mathematics is is a language that is well tuned, finely honed, to describe patterns; be it patterns in a star, which has five points that are regularly arranged, be it patterns in numbers like 2, 4, 6, 8, 10 that follow very regular progression.
According to inflation, the more than 100 billion galaxies, sparkling throughout space like heavenly diamonds, are nothing but quantum mechanics writ large across the sky. To me, this realization is one of the greatest wonders of the modern scientific age.
So: if you buy the notion that reality consists of the things in your freeze-frame mental image right now, and if you agree that your now is no more valid than the now of someone located far away in space who can move freely, then reality encompasses all of the events in spacetime.
Black holes, we all know, are these regions where if an object falls in, it can't get out, but the puzzle that many struggled with over the decades is, what happens to the information that an object contains when it falls into a black hole. Is it simply lost?
Physicists are more like avant-garde composers, willing to bend traditional rules... Mathematicians are more like classical composers.
Fractal geometry is not just a chapter of mathematics, but one that helps Everyman to see the same world differently.
You look at science fiction and look how often it talks about being alien, being alienated about the other. Look at the number of blue people - 'Avatar,' I'm looking at you. And it is now easier to find people of color in science-fiction literature and media, but the issues of representation are still really, really troubling.
Even though I knew pretty early that I was going to be a scientist, it wasn't the science that interested me in science fiction; it was the vision of future societies that, for better or worse, would be radically different from our own.
Now that we can read and write the genetic code, put it in digital form and translate it back into synthesized life, it will be possible to speed up biological evolution to the pace of social evolution.
I have found far greater enthusiasm for science in America than here in Britain. There is more enthusiasm for everything in America.
As long as scientists are free to pursue the truth wherever it may lead, there will be a flow of new scientific knowledge to those who can apply it to practical problems.
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