These instruments could slice (section) pieces of biological materials as thin as 500 angstroms (angstroms = 10-10 meters). 1  1983 - Scanning laser confocal microscope is commercially available. 2  1982 - Scanning Probe Microscope is invented and works by measuring current. 3  1986 - Atomic Force Microscope is invented and measures force instead of 4  ... 198
Tala is Moana's grandmother and the mother of Motunui's village leader Tui. Like her granddaughter, she has a love for sea exploration, having come from an ancestry of South Pacific navigators. Unlike the other villagers, Tala has not forgotten her roots (or chose to ignore them, as in Tui's case).
Etymonline also notes that nanna is also a Greek word for aunt. Grandma has similar origins. The word mama is a child's form of mother. In languages like German and English, the parents of one's parents have the grand-prefix applied to create their names. The original form of grandma was grandmama (18th century, OED).