Before revision: Since objects can be seen by light in the visible spectrum from a source reflecting off their surfaces and hitting the viewer's eye , the most natural form of invisibility (whether real or fictional) is an object that neither reflects nor absorbs light (that is, it allows light to pass through it).
After revision: Since objects can be seen by light in the visible spectrum from a source reflecting off their surfaces and hitting the viewer's eyes , the most natural form of invisibility (whether real or fictional) is an object that neither reflects nor absorbs light (that is, it allows light to pass through it).