IceCube construction is completed

After seven seasons of construction, the final string was lowered into the last hole on December 18, 2010—and IceCube was complete! It was a milestone for science and was the culmination of efforts of hundreds of people around the world.

Read more here and here.

Final DOM is deployed
The IceCube team at the South Pole during the final deployment pose for a photo with the last optical sensor. Credit: Robert Schwarz, NSF