Approximately 40 interactive exhibits trace the history of the World War II Manhattan Project, highlight the Laboratory's current and historic research projects related to defense and technology, and focus on Laboratory research related to national security, nuclear weapons stockpile stewardship, and other fields. Recent additions to the museum's collections are exhibits about the history of supercomputers, the Los Alamos Neutron Science Center, Los Alamos' contributions to the Mars Science Laboratory (Curiosity) rover, nanotechnology, algae biofuels, and high explosives.[citation needed ]
