Search results
Results from the WOW.Com Content Network
It was a type of juggling game, [5] probably involved three players standing in a triangle (hence the name) and passing a hard ball back and forth, catching with the left and throwing with the right hand. Besides the three players, called trigonali, there were also assistants called pilecripi, who kept score and retrieved runaway balls.
The operations in this ring are addition and composition of endomorphisms. More generally, if V is a left module over a ring R, then the set of all R-linear maps forms a ring, also called the endomorphism ring and denoted by End R (V). The endomorphism ring of an elliptic curve. It is a commutative ring if the elliptic curve is defined over a ...
Most injuries on public playground equipment were associated with climbing equipment (53%), swings (19%), and slides (17%). Falls to the surface was a contributing factor in 79% of all injuries. On home equipment, 81% were associated with falls. In 1995, playground-related injuries among children ages 14 and younger cost an estimated $1.2 ...
Cool Math Games (branded as Coolmath Games) [a] is an online web portal that hosts HTML and Flash web browser games targeted at children and young adults. Cool Math Games is operated by Coolmath LLC and first went online in 1997 with the slogan: "Where logic & thinking meets fun & games.".
The declination ring is moveable, and rotates on pivots set in the meridian ring. An imaginary line connecting these pivots is parallel to the Earth's axis. The declination "ring" of the traveller's sundial above is not a ring at all, but an oblong loop with a slider for setting the season.
Image credits: historycoolkids The History Cool Kids Instagram account has amassed an impressive 1.5 million followers since its creation in 2016. But the page’s success will come as no surprise ...
Modern-style plastic funnel ball setup. Funnel ball is a playground game where a ball is thrown into a funnel with multiple exit holes. A relatively large fiberglass or plastic funnel, roughly five feet (1.5 m) in diameter with a 50 degree pitch, is placed atop a post. The exits of the funnel are multiple one-foot-diameter (0.30 m) holes or ...
The utility ball (also known as a playground ball or named after the games in which it is used, such as dodgeball and kickball) is a spherical, inflated ball used in several kinds of playground games and sports. Utility balls were introduced in the mid-20th century and have continued to be used in various games.