â¢ BALSA (noun). The noun BALSA has 2 senses: 1. strong lightweight wood of the balsa tree used especially for floats. 2. forest tree of lowland Central America having a strong very light wood; used for making floats and rafts and in crafts. Familiarity information: BALSA used as a noun is rare.. strong lightweight wood of the balsa tree used especially for floats. 2. forest tree of lowland Central America having a strong very light wood; used for making floats and rafts and in crafts.
Josiah Wedgwood Â© Wedgwood was an innovative designer, a manufacturer of high-quality pottery and a campaigner for social reform.Josiah Wedgwood was born into a family of potters on 12 July 1730, at Burslem, Staffordshire.osiah Wedgwood Â© Wedgwood was an innovative designer, a manufacturer of high-quality pottery and a campaigner for social reform.
Sir Humphry Davy, 1st Baronet PRS MRIA FGS was a Cornish chemist and inventor, who is best remembered today for isolating a series of substances for the first time: potassium and sodium in 1807 and calcium, strontium, barium, magnesium and boron the following year, as well as discovering the elemental nature of chlorine and iodine. He also studied the forces involved in these separations, inventing the new field of electrochemistry. In 1799 Davy experimented with nitrous oxide and became astonis