law of diminishing returns. A concept in economics that if one factor of production (number of workers, for example) is increased while other factors (machines and workspace, for example) are held constant, the output per unit of the variable factor will eventually diminish.
History of glass. The history of glassmaking can be traced back to 3500 BCE in Mesopotamia, but Mesopotamians may have created second-rate copies of glass objects from Egypt, where this complex craft actually originated. Other archaeological evidence suggests that the first true glass was made in coastal north Syria, Mesopotamia or Egypt.
The first non-alcoholic drink was invented by the French company âthe Limonadiers'. Towards the end of 1600, the company marketed a soft drink made of water, lemon juice and honey.The introduction of gas in soft drinks is attributed to the English scientist, Joseph Priestly who.discovered a way of adding carbon dioxide to water. The first use of a carbonated drink was in the medical field.owards the end of 1600, the company marketed a soft drink made of water, lemon juice and honey. The introduction of gas in soft drinks is attributed to the English scientist, Joseph Priestly who. discovered a way of adding carbon dioxide to water. The first use of a carbonated drink was in the medical field.