Geometry, Relativity and the Fourth DimensionCourier Corporation, 8. juni 2012 - 160 sider This is a highly readable, popular exposition of the fourth dimension and the structure of the universe. A remarkable pictorial discussion of the curved space-time we call home, it achieves even greater impact through the use of 141 excellent illustrations. This is the first sustained visual account of many important topics in relativity theory that up till now have only been treated separately. |
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... direction perpendicu- lar to every direction that we can indicate in our three - dimensional space ? In order to get a better understanding of what a " fourth dimension " might mean , consider the following sequence : We take a 0 - D ...
... direction on the paper that is perpendicular to the ( diagonal ) direction we used to represent the third dimension ? If we do so , we can continue our sequence by moving the cube one unit in the direction of the fourth dimension ...
... directions . How do you do this ? Well , how would you pull a solid circle out into a sphere ? Imagine that the inner ... direction of the fourth dimension . To clarify these , and other ideas , let's get back to good old A. Square ...
... directions , our enclosures have no walls against this direction . Everything on Earth lies open to a 4 - D spectator , even the inside of your heart . The only way in which A. Sphere could finally convince A. Square of the reality of ...
... direction of the fourth dimension . Would we notice this 4 - D compo- nent of our bodies ' measurements ? ( Hint : Would A. Square notice if everything in Flatland were an inch thick in the direction of the third dimension ? ) ( 6 ) ...