🌌 Astronomers discuss the large-scale structure of the cosmos and refer to space as curved or the universe as finite but unbounded.
🔳 Imagine living in a flat land where everyone is exceptionally flat and has no height, only width and length.
🌐 In this hypothetical concept, Edwin Abbott, a Shakespearean scholar, created the concept of flatland.
🌍 The concept of dimensions and how we perceive them.
🔳 The encounter between a 3D creature and a 2D square in Flatland.
😕 The confusion and unease of the square when interacting with the 3D creature.
🌍 A three-dimensional creature enters the two-dimensional world of Flatland and can only be seen as a cross-section.
🍎 The presence of the three-dimensional creature in Flatland is represented by gradually revealing higher slices of an Apple.
🔍 The square in Flatland observes objects mysteriously appearing and changing shape, leading to the conclusion of entering a different dimension.
🔍 A contact between dimensions causes a square in flatland to see inside closed rooms, giving him a new perspective on his world.
🌌 The square's descent back to flatland creates confusion among his friends, who believe he mysteriously appeared from another place.
🔍 The video discusses the concept of dimensions and explores the idea of the fourth dimension.
🧊 A cube can be used to explain the concept of dimensions. Moving a line segment at right angles to itself creates a square, and moving that square at right angles to itself creates a cube.
🌑 The cube casts a shadow, which represents the three-dimensional projection of the cube in our world.
💡 The representation of a three-dimensional object in two dimensions is not perfect due to the loss of a dimension.
🔍 When a three-dimensional cube is projected through a fourth physical dimension, it forms a four-dimensional hypercube called a tesseract.
🌌 Although we cannot visualize a tesseract in three dimensions, we can observe its shadow.
📐 The tesseract is a four-dimensional object consisting of two nested cubes.
👁️🗨️ In four dimensions, the lines of the tesseract would all be equal in length and all angles would be right angles.
🌌 We can think about the concept of a four-dimensional universe, even though we cannot imagine it.
《初級》你適合主觀交易還是程式交易?今天就讓我們來聊聊聊這個主題,透過我自己的經驗來跟你分享我的一些看法以及建議 [走進我的交易廚房/交易小貼士/你適不適合當交易員?]
Crisis del petróleo. Informe Semanal 1973
《初級》世界期貨/外匯交易錦標賽參賽者Marek Chrastina訪談(完)/本影片為學員講座節錄版本,學員可以直接透過授權申請觀看完整講座內容~
Paragraph Structure
Jeff Bezos Talks Business Vision, Leadership & Entrepreneurship
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