Universe of Physics - Episode 4: The Invisible Universe

We live in an era of science, and we know an incredible lot about our world. But there are still three unanswered questions to our fundamental understanding of the universe. How do particles in the standardmodel acquire mass? What does the dark matter in our universe consist of? And what makes the expansion og the universe accellerate?

Length: 11:14
Produced by The Compound for The Niels Bohr Institute 2012
Produced with support from the Danish Agency for Science, Technology and Innovation