String theory began over 50 years ago as a way to understand the strong nuclear force. Since then, it’s grown to become a theory of everything, capable of explaining the nature of every particle ...

Consumer Reports reveals the best string trimmers you can buy right now. Our tests find that you don't have to pay a lot to get a capable string trimmer.

Consumer Reports tells you which is the best string trimmer head, noting that the best-performing string trimmers cut with dual strings rather than a single string. Ad-free.

Nylon-string guitars, often referred to as classical guitars or Spanish guitars, sound warmer, softer and more mellow than steel-string guitars. They also have a richer midrange and lower end, but ...

Generating tension. In all string theory models, the strings have some tension; but in most conventional models the value of this tension is a constant that is added in by hand, arbitrarily.

String theory seems to me to have failed to deliver what it had promised in the ’80s, and is one of the many ‘nice-idea-but-nature-is-not-like-that’ that dot the history of science.