toolmaker's microscope
1heredity — /heuh red i tee/, n., pl. heredities. Biol. 1. the transmission of genetic characters from parents to offspring: it is dependent upon the segregation and recombination of genes during meiosis and fertilization and results in the genesis of a new… …
2Vincent Schaefer — Infobox Scientist name = Vincent Schaefer box width = image width =150px caption = Vincent Schaefer birth date = birth date|1906|07|04 birth place = death date = death date and age|1993|07|25|1906|07|04 death place = residence = citizenship =… …
3Tool — For other uses, see Tool (disambiguation). A modern toolbox. A tool is a device that can be used to produce an item or achieve a task, but that is not consumed in the process. Informally the word is also used to describe a procedure or process… …
4technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
