align – v. to organize things so that they form a line or are in a correct position

gravitation – n. technical : the natural force that causes things to fall towards the earth

upload – v. computers : to move or copy (a file or program) from a computer or device to a usually larger computer or computer network

clue – n. a piece of evidence; information used to solve a mystery

crowdsourcing – n. the act or process of obtaining information from a large number of people (usually on the internet)

appetite – n. hunger

conversation – n. oral exchange of observations, opinions, or ideas

gauge – n. an instrument used to measure something

eureka – interjection. used to express surprise or excitement when a discovery has been made