In How Big is the Universe? exhibit, using a trackball, visitors make a journey from subatomic particles to the largest picture of the universe while comparing their sizes on a projected wall or screen.
[foogallery id="223871"]In How Big is the Universe? exhibit, using a trackball, visitors make a journey from subatomic particles to the largest picture of the universe while comparing their sizes on a projected wall or screen.
[foogallery id="223871"]