An operational Newton’s cradle composed of personality cores from the video game Portal 2 appeared under the walkway connecting Buildings 56 and 18 on Friday night. When the nearby button of the walkway was pressed, the sphere at the end would swing, setting the “cores” in motion.

Tiffany ira Huang—The Tech

An operational Newton’s cradle composed of personality cores from the video game Portal 2 appeared under the walkway connecting Buildings 56 and 18 on Friday night. When the nearby button of the walkway was pressed, the sphere at the end would swing, setting the “cores” in motion. Tiffany ira Huang—The Tech