Chinese Abacus. The abacus is first known in China from the Northern Song dynasty through the work of Shao Yong (1011-1077). Like many early inventions it is not clear precisely where it originally came from. Some say Central Asia; some Asia Minor and others China.
Snag(noun) a stump or base of a branch that has been lopped off; a short branch, or a sharp or rough branch; a knot; a protuberance. Snag(noun) a tooth projecting beyond the rest; contemptuously, a broken or decayed tooth.
A snood (/snuËd/) is historically a type of female headgear designed to hold the hair in a cloth or yarn bag.In the most common form the headgear resembles a close-fitting hood worn over the back of the head. A tighter-mesh band may cover the forehead or crown, then run behind the ears and under the nape of the neck.A sack of sorts dangles from this band, covering and containing the fall of long hair gathered at the back.n the most common form the headgear resembles a close-fitting hood worn over the back of the head. A tighter-mesh band may cover the forehead or crown, then run behind the ears and under the nape of the neck. A sack of sorts dangles from this band, covering and containing the fall of long hair gathered at the back.