Here perhaps Jefferson is following Ferguson (1773: 5), who argues that the study of men in an unnatural condition is like studying "the anatomy of the eye which had never received the impressions of light, or … an ear which had never felt the impulse of sounds".
Even stranger, it gives the impression of being light and airy without any windows.
The effect is frequently used on theatre marquees to give the impression of moving lights.
The semi-clear resin coating is stained with watery blue and green pigment that enhances the impression of shimmering as light hits its surface.
(Consider changing the default color white to another color to blend the effect more convincingly with some backgrounds or to give the impression of a colored light source).
Wormholes – if they exist, and if signals can pass through them – may at least give the impression of communication at faster-than-light speed.
The rock holding the impression of the fossil did come to light and was sold to a private museum in Wyoming in 2007.
It comes with new monsters and towns - best of all, though, is the impression of virgin territory: seeing a suspicious light in the distance or ruins on a hilltop and galloping off to see what's going on.
The two-stage process of digital projection, whereby each image in a static sequence is generated by flashing light and the impression of a moving image is then generated by the rapid execution of the sequence, draws attention to the metaphysical complexity of the question of how movies move.
