spock s brain is the first episode of the third season of the original science fiction television series star trek first broadcast september 20 1968 it was the first episode to air after nbc moved the show from 8 30 p m to 10 p m on friday nights it was repeated july 8 1969pock s brain is the first episode of the third season of the original science fiction television series star trek first broadcast september 20 1968 it was the first episode to air after nbc moved the show from 8 30 p m to 10 p m on friday nights it was repeated july 8 1969
terra firma. Terra firma is a Latin phrase, literally meaning firm land.. Nervous flyers are generally overjoyed to put their feet back on terra firma after a rough airplane flight.
Terracotta is a ceramic material that has been used for building construction and decorative arts since ancient times in cultures around the world.The name literally means baked earth, is it made from natural clay, which gives it a characteristic reddish-brown color.non3570 - Terracotta is a type of clay. So terra cotta tiles are a subset of clay tiles. Actually terracotta tiles are ceramic tiles which are tiles made of red or terracotta clay. Porcelain tiles are tiles made from light colored clay (like white, grey, or light brown clay).