An Excerpt from Dave Goldberg's “Universe in the Rearview Mirror”

The day is finally here! My new book, The Universe in the Rearview Mirror, is being released today! Many of the topics in the book were prompted by all of the great questions from the io9 community, and I wanted to thank you again by offering you this free excerpt. » 7/11/13 11:00am 7/11/13 11:00am

Ask a Physicist - Call For More Questions

Now you can ask a physicist your nagging questions about the inner workings of the cosmos. This twice-monthly column will, at very least, allow you to sound smart at cocktail parties. » 5/06/10 8:30am 5/06/10 8:30am

To the Writers and Director of "Hot Tub Time Machine," From A Physics…

Noted time-travel expert Dave Goldberg, a physics professor at Drexel University, just saw Hot Tub Time Machine and was - disturbed. Here he explains the "egregious number of inviolable paradoxes" in the film, in an open letter to its creators. » 3/29/10 5:14pm 3/29/10 5:14pm

Quantum Physicist Approves the Time Traveler's Wife

Tragic love stories may not be your thing, but physicist Dave Goldberg says there's another reason to be excited for the film adaptation of The Time Traveler's Wife: it's the most accurate time travel movie you'll see all year. » 8/13/09 10:07am 8/13/09 10:07am