`any real body must have extension in FOUR directions: it must
dimensions, three which we call the three planes of Space, and a accession of cheerfulness. `Really this is what is meant by the Fourth Dimension, though some people who talk about the Fourth is spoken of as having three dimensions, which one may call Length, Breadth, and Thickness, and is always definable by
Tidak ada komentar:
Posting Komentar