Billiard table manufacturers have produced convertible billiard tables (in the broad sense) that double as dining tables or as table tennis, foosball, or air hockey, tables, with removable hard tops. Home pool tables, which often lack a ball-return system, are commonly either 4 × 8 ft or 3.5 × 7 ft models, a medium between 3 × 6 ft. bar/pub tables and 4.5 × 9 ft tournament-size models. Low-end tables tend toward the smaller range, and may have MDF or wood beds as an alternative to slate; those with light-weight beds may be foldable for storage, as with table tennis. Miniature tables
Table of Opposites Is the universe one? Then how is it diverse? Is the universe many? Then how is it unified? This has historically been known as the problem of the one and the many, about which no small amount of ink has been spilled. Table of Opposites The Table of Opposites ( "sustoichia") of Pythagoras is the oldest surviving of many such tables propounded by philosophers. Aristotle is the main source of our knowledge of the Pythagorean table. Here follows a rough translation of the Table of Opposites, although like all translations the precise meaning does not necessarily carry over from the