Science Expeditions, Engineering Expo offer virtual events statewide April 9â11 For news media More information A volunteer displays a bear skull during a Science Expeditions activity in 2019. Photo: Jeff Miller Science Expeditions and Engineering Expo, marquee science-focused open houses that typically take place on the University of WisconsinâMadison campus, will offer a bevy of largely virtual â but still hands-on â events across the state from April 9 to April 11. Taking advantage of the proliferation of virtual events, both open houses will offer greater access than ever to research labs, at-home experiments and live science demonstrations. More than a dozen live, virtual events begin April 9, with many more available all weekend and even beyond.