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Unlike much of Poe's work, the story has no supernatural elements. [6] The "realism" of the story is enhanced through Poe's focus on reporting sensations: the dungeon is airless and unlit, the narrator is subject to thirst and starvation, he is swarmed by rats, the razor-sharp pendulum threatens to slice into him and the closing walls are red ...
The X axis is now at angle α with respect to the x axis. The XYZ system rotates again about the x axis by β. The Z axis is now at angle β with respect to the z axis. The XYZ system rotates a third time about the z axis by γ. In sum, the three elemental rotations occur about z, x and z. Indeed, this sequence is often denoted z-x-z (or 3-1-3 ...
The labrys, or pelekys, is the double axe Zeus uses to invoke storm and, the relatively modern Greek word for lightning is "star-axe" (ἀστροπελέκι astropeleki) [19] The worship of the double axe was kept up in the Greek island of Tenedos and in several cities in the south-west of Asia Minor, and it appears in later historical times ...
For positive y- and z-axis, we have to face two different conventions: In case of land vehicles like cars, tanks etc., which use the ENU-system (East-North-Up) as external reference (World frame), the vehicle's (body's) positive y- or pitch axis always points to its left, and the positive z- or yaw axis always points up. World frame's origin is ...
In geometry and linear algebra, a principal axis is a certain line in a Euclidean space associated with a ellipsoid or hyperboloid, generalizing the major and minor axes of an ellipse or hyperbola. The principal axis theorem states that the principal axes are perpendicular , and gives a constructive procedure for finding them.
At the most basic definition, "a key is a unique identifier", [1] so unique key is a pleonasm. Keys that are within their originating entity are unique within that entity. Keys that migrate to another entity may or may not be unique, depending on the design and how they are used in the other table.
This was struck from the lateral edge of the hand-axe close to the intended cutting area, resulting in the removal of a flake running along (parallel to) the blade of the axe to create a neat and very sharp working edge. This distinctive tranchet flake can be identified amongst flint-knapping debris at Acheulean sites. [citation needed]
The Mount William stone axe quarry (traditionally known as Wil-im-ee moor-ing) is an Aboriginal Australian archaeological site in Central Victoria, Australia. It is located 9 kilometres (5.6 mi) northeast of Lancefield , off Powells Track, 10 kilometres (6.2 mi) north of Romsey and 78 kilometres (48 mi) from Melbourne .