Caution! The site can't guarantee, that text has age permission. The site is not recommended, if you are less than 18 years old.
The site shows example sentences for English words. How the word or phrase could be used in a sentence?
" ... In the context of string theory, there are a huge set of parameters that could, in principle, take on almost any value. The theory makes no predictions for them, so we have to put them in by hand: the expectation values of the string vacua. If you've heard of incredibly large numbers like the famed 10500 which appears in string theory, the possible values of the string vacua are what they're referring to. We don't know what they are, or why they have the values that they do. No one knows how to calculate them. ... "