Powerhouse Science Center Prepares To Unveil "Science In Motion" Exhibit Monday, August 29, 2016 | Sacramento, CA Listen / download audio Update RequiredTo play audio, update browser or Flash plugin. Powerhouse Science Center is opening a new exhibit Sept. 3 called "Science In Motion." Within a few years, the Powerhouse staff hopes to be building out its new location downtown along the Sacramento River. CEO Harry Laswell joins us to talk about the project. Also in the studio is Rayna Rampali. She first visited the center when she was a child and is now returning as an astrophysicist student years later.