Abstract: Estimation of the behavior of long dynamic systems with limited sensing remains an open question. In this paper, we consider the rotational motion of a deep drilling system and compare three ...

Bluegrass superstar (it's kind of fun to have one of those these days, huh?) Billy Strings posted a photo of himself and some nasty-looking X-rays that came from an ill-advised bit of backstage ...

Billy Strings, a two-time Grammy Award winner, from Ionia, confirmed on social media on Sunday, April 19, that he has broken his leg. Strings shared an X-ray on Facebook and Instagram of his leg ...