Here I present: Philip Newth, “Roly Goes Exploring”, 1977. PART TWO (2).
INTRODUCTION.
The hypercube (tesseract) SHOWN ABOVE , is with a cube (spaceland) inside the hypercube. The cube has a square (flatland) inside it. Next, the edge (lineland) of the square is a segment. Finally, the segment (line) has inside it point (dot).
Roly is a Braille point (dot) that lives the flatland (paper). Braille paper contains lines as well as dots. Two (2) different stylus utensils are used for lines and dots on Braille paper. Both types of drawing stylus for line and point are BOTH ARE SHOWN HERE. The lines are made by “ballpoint”: the dots are made by “punch”. Raised-dot and raised-line touch sense is used in Braille’.
