Hartford Courant'Engineering Earth' Exhibit At CT Science CenterHartford Courant"Engineering Earth," an exhibit that shines a spotlight on the potential of grain, soil, clay, mud and sand for use in green construction, is on view at the C …

Hartford Courant'Engineering Earth' Exhibit At CT Science Center - Hartford CourantHartford Courant"Engineering Earth," an exhibit that shines a spotlight on the potential of grain, soil, clay, mud and sand for use in green construction, …