This means that light - and its derivative shadow - can create environments ... giving dynamism to a mere corridor or blank wall. José Ignacio Valdivieso uses the same principle in the Gardeners ...

Shadows are created when an object blocks light from the Sun or another light source. When the light can't pass through the object, it makes a dark spot on the ground or wall behind it ...

Can light itself cast a shadow? It may sound like a philosophical riddle, but researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow.