Under normal use, you need to advance your string trimmer’s nylon cutting string whenever the tool isn’t cutting effectively. That happens every few minutes or even quicker in tall grass and weeds.

Tenets of quantum mechanics and special relativity, among other theoretical ideas, lead inexorably to string theory.

Santa Barbara Strings will present its Spring Concert, 4 p.m. Saturday, May 9 at the Music Academy of the West. More than 70 young string players from across Santa Barbara County have been rehearsing ...