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"Another World" is a lithograph created by the Dutch artist M.C. Escher in 1947. The artwork is known for its intricate and imaginative depiction of a surreal, impossible landscape characterized by an interplay of architectural forms, waterfalls, and reflections. The piece features a series of geometric shapes and ramps that defy the laws of physics, creating a sense of depth and perspective that challenges the viewer's perception of reality.

"Still Life with Mirror" is a painting by the Dutch artist Juan Sánchez Cotán, created around 1600. Cotán is known for his detailed still life compositions that often include elements of nature and symbolism. In "Still Life with Mirror," Cotán employs a mirror to reflect the objects within the composition, creating a complex interplay between reality and reflection. The use of light, shadow, and texture in this work exemplifies the artist's skill in rendering the subtleties of everyday objects.

"The Center of the Cyclone" is a book written by John C. Lilly, a neuroscientist and psychoanalyst, published in 1972. In the book, Lilly explores his experiences with altered states of consciousness, particularly through the use of sensory deprivation tanks, and discusses various aspects of human consciousness, existence, and the nature of reality.

"The Concept of Mind" is a significant philosophical work by Gilbert Ryle, published in 1949. In this book, Ryle critiques Cartesian dualism, which posits a strict separation between the mind and the body. Ryle argues that this division leads to what he refers to as the "ghost in the machine" problem, suggesting that viewing the mind as separate from the body creates unnecessary complications in understanding human behavior and mental processes.

"The Doors of Perception" is a philosophical work by Aldous Huxley, published in 1954. The book details Huxley's experiences with the psychedelic substance mescaline, which he ingested in order to explore the nature of human consciousness and perception. The title of the book references a quotation from the poet William Blake, who wrote, "If the doors of perception were cleansed, everything would appear to man as it is, infinite.

The Kekulé Problem refers to the question of determining the structure and properties of certain organic compounds, particularly those involving aromatic hydrocarbons such as benzene. Named after the German chemist August Kekulé, the issue primarily centers around understanding how to represent the bonding and electron delocalization in these molecules, specifically the concept of resonance.

"The Master and His Emissary: The Divided Brain and the Making of the Western World" is a book written by psychiatrist and academic Ian McGilchrist, published in 2009. In this work, McGilchrist explores the differences between the brain's two hemispheres—the left and the right—and how these differences influence our perception of reality, culture, creativity, and society.

"The Matter with Things" is a book written by Iain McGilchrist, published in 2021. It explores the nature of reality, consciousness, and the relationship between science and philosophy. McGilchrist is known for his work in neuroscience and the philosophy of mind, and in this book, he delves into how our perception of the world is shaped by the structures of our brains, particularly focusing on the dichotomy between the left and right hemispheres.

The nature of mind is a complex and multifaceted topic that has been explored in various fields, including philosophy, psychology, neuroscience, and spirituality. Here are several perspectives on the nature of mind: 1. **Philosophical Perspective**: - **Dualism**: Some philosophers, like René Descartes, contend that the mind and body are distinct entities. This view posits that the mind is not reducible to physical processes.

"Absolute theory" can refer to different concepts depending on the context in which it is used, such as philosophy, physics, or ethics. Here are a few interpretations: 1. **Philosophy**: In metaphysics, "absolute theory" can relate to the concept of an ultimate reality or absolute being that underpins existence.

"Dragon" is a famous lithograph created by the Dutch artist M.C. Escher in Dragon is a striking representation of interlocking geometric shapes, and it features a pair of dragons that are intricately designed and tessellated. The artwork exemplifies Escher's unique ability to blend mathematics with visual art, often featuring impossible constructions, explorations of infinity, and complex patterns.

"Gravitation" is a lithograph created by the Dutch artist M.C. Escher in 1952. The artwork features a complex, surreal depiction of gravity and the nature of space. In this piece, Escher explores the concept of gravity visually by showing figures that seem to defy the normal laws of physics. The composition includes staircases, warped perspectives, and figures engaging in a variety of impossible activities, all of which challenge the viewer's perception of reality.

"Hand with Reflecting Sphere" is a famous painting created by the Dutch artist M.C. Escher in 1935. The artwork features a realistic, detailed hand holding a reflective sphere, which functions as a kind of mirrored surface. The sphere reflects the surrounding environment, and in particular, it captures a view of the room in which the hand appears, including the artist and parts of the space around him, creating an intriguing visual interplay between the foreground and background.

The Regular Division of the Plane is a concept in mathematics, particularly in the field of geometry and art, that involves partitioning a two-dimensional space into regions of equal size and shape. The most common examples of regular divisions involve patterns created by repeating geometric shapes, such as squares, triangles, hexagons, or other polygons. These regular divisions can be created by translating, rotating, or reflecting shapes in the plane, allowing for a structured and often aesthetically pleasing arrangement.

"Sky and Water I" is a well-known work by the Dutch artist M.C. Escher, created in 1938. This lithograph is famous for its intricate use of tessellation and the seamless integration of contrasting elements: birds and fish. In the artwork, the upper portion depicts a gradient sky filled with flying birds, while the lower section features a body of water populated by swimming fish.

"Sky and Water II" is a well-known lithograph created by the Dutch artist M.C. Escher in 1940. The artwork is famous for its intricate and clever use of tessellation, where images of birds and fish are arranged in a way that they seamlessly transition into one another. The upper half of the image features a sky filled with stylized birds flying, while the lower half showcases water filled with fish swimming.

"Snakes" is a famous lithograph created by the Dutch artist M.C. Escher, completed in 1969. The artwork features a complex arrangement of snakes intertwining and overlapping in a series of curved shapes that create the illusion of depth and movement. Escher is well-known for his ability to manipulate geometric forms and play with perspectives, often incorporating mathematical concepts into his work.

Vincenzo Balzani is an Italian chemist known for his work in the fields of physical chemistry and nanotechnology, particularly in molecular machines and solar energy conversion. He has contributed significantly to research involving molecular systems that can perform specific functions, often inspired by biological processes. Balzani's work often emphasizes the development of new materials and methods for energy production and storage, as well as the integration of chemistry with technology for the advancement of sustainable energy solutions.

Photogrammetry is the science and technology of obtaining reliable information about physical objects and the environment through the process of recording, measuring, and interpreting photographic images. It plays a crucial role in fields such as mapping, surveying, architecture, archaeology, and remote sensing. Journals dedicated to photogrammetry typically publish research articles, reviews, case studies, and technical papers on various aspects of the discipline.

Photogrammetry organizations are groups or societies dedicated to the study, application, and advancement of photogrammetry, which is the science of making measurements from photographs, especially for recovering the exact positions of surface points. These organizations often focus on promoting education, research, and technology development in the field of photogrammetry and related areas such as remote sensing, geographic information systems (GIS), and spatial data analysis.