Defrost overnight in the refrigerator in a single layer on a baking sheet or other flat surface before continuing with the recipe. (glutenfreeonashoestring.com)
To work in everyday life, the hope is that the flat panel actuators that act as loudspeakers by making glass and other flat surfaces vibrate will drop in price in coming years, making it cheap enough to fill houses with them. (newscientist.com)
Traditionally, cell culture in the lab has been done in petri dishes and on other flat surfaces. (sciencedaily.com)