The light invisible /

Mode of access: Internet.

Les merveilles du monde invisible,

Series title also at head of t.-p.

Realizing the Witch : Science, Cinema, and the Mastery of the Invisible /

Realizing the Witch follows the unfolding of Benjamin Christensen’s visual narrative in his 1922 film, Häxan (The Witch). Through a close reading of Häxan, Baxstrom and Meyers examine the study of witchcraft from historical and anthropological perspectives, as well as the intersection of popular culture, artistic expression and scientific ideas. This title was made Open Access by libraries from around the world through Knowledge Unlatched.

News from the invisible world; or, Interesting anecdotes of the dead. Containing a particular survey of the most remarkable and well-authenticated accounts of apparitions, ghosts, spectres, dreams and visions;

Mode of access: Internet.

The Supernatural magazine; containing ancient & modern supernatural experience, together with various wonders of the invisible worlds.

Mode of access: Internet.

Through the invisible; a love story.

Mode of access: Internet.

The traitor; a story of the fall of the invisible empire,

Mode of access: Internet.

The wonders of the invisible world : Being an account of the tryals of several witches lately executed in New England /

"A further account of the tryals of the New=England witches ..." (p. [199]-217) is by Deodat Lawson and not Increase Mather. "Cases of conscience concerning evil spirits personating men ... by Increase Mather ...": p. [219]-291.

Light invisible /

Mode of access: Internet.

Drops of water; or, Pencillings by the sea shore, showing the mysteries of the invisible world, and the goodness of God, as seen in the wonders of creation, by the aid of the compound microscope.

pt. 1. Pencillings by the sea shore.--pt. 2. Scenery of the ocean.

Invisible CO₂ gas killing trees at Mammoth Mountain, California /

Mode of access: Internet.

Do dogs (canis familiaris) understand invisible displacement?

Domestic dogs (Canis familiaris) perform above chance on invisible displacement tasks despite showing few other signs of possessing the necessary representational abilities. Four experiments investigated how dogs find an object that has been hidden in 1 of 3 opaque boxes. Dogs passed the task under a variety of control conditions, but only if the device used to displace the object ended up adjacent to the target box after the displacement. These results suggest that the search behavior of dogs was guided by simple associative rules rather than mental representation of the object's past trajectory. In contrast, Experiment 5 found that on the same task, 18- and 24-month-old children showed no disparity between trials in which the displacement device was adjacent or nonadjacent to the target box.

Do chimpanzees (Pan troglodytes) understand single invisible displacement?

Previous research suggests that chimpanzees understand single invisible displacement. However, this Piagetian task may be solvable through the use of simple search strategies rather than through mentally representing the past trajectory of an object. Four control conditions were thus administered to two chimpanzees in order to separate associative search strategies from performance based on mental representation. Strategies involving experimenter cue-use, search at the last or first box visited by the displacement device, and search at boxes adjacent to the displacement device were systematically controlled for. Chimpanzees showed no indications of utilizing these simple strategies, suggesting that their capacity to mentally represent single invisible displacements is comparable to that of 18-24-month-old children.

Do chimpanzees (Pan troglodytes) and 2-year-old children (Homo sapiens) understand double invisible displacement?

Chimpanzees (Pan troglodytes) and young children (Homo sapiens) have difficulty with double invisible displacements in which an object is hidden in two nonadjacent boxes in a linear array. Experiment 1 eliminated the possibility that chimpanzees' previous poor performance was due to the hiding direction of the displacement device. As in Call (2001), subjects failed double nonadjacent displacements, showing a tendency to select adjacent boxes. In Experiments 2 and 3, chimpanzees and 24-month-old children were tested on a new adaptation of the task in which four hiding boxes were presented in a diamond-shaped array on a vertical plane. Both species performed above chance on double invisible displacements using this format, suggesting that previous poor performance was due to a response bias or inhibition problem rather than a fundamental limitation in representational capacity.