Simon Wells is the great-grandson of H.G. Wells. He directed the 2002 film adaptation of his ancestor's classic novel, The Time Machine. Wells has very specific ideas about how a time machine should be designed — but David Goldberg says the time ...

David Goldberg teaches physics at Drexel University. In A User's Guide to the Universe, he explains how time travel might be possible. He tells Kurt why the skeptics are wrong.

David Goldberg teaches physics at Drexel University. In A User's Guide to the Universe, he explains how time travel might be possible. He tells Kurt why the skeptics are wrong: "It's certainly within the realm of what we know about how the universe works."  

Simon Wells (the great-grandson of H.G. Wells) directed the 2002 film adaptation of his ancestor’s classic novel, The Time Machine - he explains his design for the time machine. David Goldberg thinks it will actually look more like a spaceship; he and