
Log In Subscribe Give a Gift Archives Customer Service SEARCH Health Medicine Mind Brain Technology Space Human Origins Living World Environment Physics Math Video Photos Podcast RSS Blogs Cosmic Variance Daniel Daniel Holz is a Feynman Fellow at Los Alamos National Laboratory , as well as a Senior Research Associate in the Department of Astronomy Astrophysics at the University of Chicago . He works on general relativity , astrophysics , and cosmology , and has lately been playing with black holes , gravitational lensing , and gravitational . waves Posts by Daniel Daniel’s Home Page Email : deholz at cosmicvariance.com Cosmic Variance is a group blog by people who , coincidentally or not , all happen to be physicists and : astrophysicists Daniel Holz JoAnne Hewett John Conway Julianne Dalcanton Mark Trodden Risa Wechsler Sean Carroll Our day and night jobs notwithstanding , the blog is about whatever we find interesting science , to be sure , but also arts , politics , culture , technology , academia , and miscellaneous trivia . We have similar outlooks on many things , widely disparate opinions about others , and will do our best to keep the discourse reasonably elevated . From