Neutrinos are a mystery to physicists. They exist in three different flavors and mass states and may be able to give hints about the origins of the matter-dominated universe. A new long-baseline experiment led by Fermilab called NOvA may provide some answers.
There is a live feed of the first detector block being moved at http://www.fnal.gov/pub/webcams/nova_webcam/index.html.
Watch the full video at: http://www.youtube.com/watch?v=Fe4veClYxkE.