Michigan State is offering tours of a nuclear science complex currently being built on the campus.

The open house is Free and is scheduled 1 p.m. to 4 p.m. on Aug. 20. WILX reports tours will be available of the 570-foot-long underground tunnel where beams of charged particles will travel at half the speed of light before colliding.

During the self-guided tours, you will also be able tour two other labs with scientists on hand.