Wells's 1899 tale " When the Sleeper Wakes " describes a rudimentary version of pre-Soleri arcology, having developed from the evolution of transportation.

When analyzing the deformation or motion of solids, or the flow of fluids, it is necessary to describe the sequence or evolution of configurations throughout time.

When the Flip Chip packaging allowed the PDP-6 to be re-implemented at a much lower cost, DEC took the opportunity to carry out a similar evolution of their 36-bit design and introduced the PDP-10 in 1968.

When Charles Darwin proposed his theory of evolution in 1859, one of its major problems was the lack of an underlying mechanism for heredity.

When linguists study the lexicon, they consider such things as what constitutes a word ; the word-concept relationship ; lexical access and lexical access failure ; how a word's phonology, syntax, and meaning intersect ; the morphology-word relationship ; vocabulary structure within a given language ; language use ( that is, pragmatics ); language acquisition ; the history and evolution of words ( i. e. etymology ); and the relationships between words, often studied within philosophy of language.

When presenting his ideas against the prevailing influences of catastrophism and progressive creationism, which envisaged species being supernaturally created at intervals, Darwin needed to forcefully stress the gradual nature of evolution in accordance with the gradualism promoted by his friend Charles Lyell.

When two such stars have a relatively close orbit, their gravitational interaction can have a significant impact on their evolution.

When it was no longer possible to rely on design evolution to improve upon a system and the existing tools were not sufficient to meet growing demands, new methods began to be developed that addressed the complexity directly.

When he returned to England, his speculation on evolution deepened after experts informed him that these were separate species, not just varieties, and famously that other differing Galápagos birds were all species of finches.

When Unitarianism developed in the 17th century during the Protestant era of the evolution of Christianity, the strongholds in Transylvania, Poland, and eventually Britain and the northeastern parts of the United States were firmly in the congregational tradition.

When the United States sought to catch up in science during the 1960s with new teaching standards which reintroduced evolution, the creation science movement arose, presenting what was claimed to be scientific evidence supporting young earth creationism.

When both descendants are similar in a particular respect, evolution is defined as parallel if the ancestors considered were also similar, and convergent if they were not.

When the ancestral forms are unspecified or unknown, or the range of traits considered is not clearly specified, the distinction between parallel and convergent evolution becomes more subjective.

When asked about the test case, Scopes was initially reluctant to get involved, but after some discussion he told the group gathered in Robinson's Drugstore, " If you can prove that I've taught evolution and that I can qualify as a defendant, then I'll be willing to stand trial.

When she eventually asked him to write a sitcom for Hartswood, he decided to base it around the evolution of their own relationship.

When this happens, via a process of collapse and fragmentation of the cloud, stars are born ( see stellar evolution for a lengthier description ).

When the theory is applied to gas, collisions between gas clouds generate the molecular clouds in which new stars form, and evolution towards grand-design bisymmetric spirals is explained.

When discussing the evolution of the heavily armored horseman, it should be noted that it was not isolated to one focal point during a specific era ( such as the Iranian plateau ), but rather developed simultaneously in different parts of Central Asia ( especially among the peoples inhabiting the Silk Road ) as well as within the Iranian subcontinent.

When asked how best to raise doubts and question evolution with non-believers, Johnson responded:

When running for election in 1922, he told a crowd: I have not abandoned any political aspirations to which I have given expression in the past, but in the existing circumstances I advise the people to trust to evolution rather than revolution for their attainment.

When discussing the evolution of a system in general relativity, or more specifically Minkowski space, physicists often refer to a " light cone ".

When asked what he was doing to help the revolution, Duane replied, " There ain't no revolution, it's evolution, but every time I'm in Georgia I eat a peach for peace.

" zoologist, David Barash ( Co-author of the book " The Myth of Monogamy ") and his wife, Dr. Judith Eve Lipton, comment on monogamy and evolution, " When it comes to human beings, there's absolutely no question about monogamy being natural.

When change in the essence takes place, as it does in the process of evolution, we can understand the change mostly in mechanical terms using principles of genetics and natural selection.

When Chicago was founded in 1833, most of the early building began around the mouth of the Chicago River, as can be seen on a map of the city's original 58 blocks.

When T is taken to be the integers, it is a cascade or a map ; and the restriction to the non-negative integers is a semi-cascade.

When storing records in a large unsorted file, one may use a hash function to map each record to an index into a table T, and collect in each bucket T a list of the numbers of all records with the same hash value i. Once the table is complete, any two duplicate records will end up in the same bucket.

When compared with the concept map ( which was developed by learning experts in the 1970s ) the structure of a mind map is a similar radial, but is simplified by having one central key word.

When retrieving new messages, an IMAP client requests the UIDs greater than the highest UID among all previously retrieved messages, whereas a POP client must fetch the entire UIDL map.

When the Japanese discovered, by accident, that von Siebold had a map of the northern parts of Japan, the government accused him of high treason and of being a spy for Russia.

When applying link-state algorithms, each node uses as its fundamental data a map of the network in the form of a graph.

When it was to be constructed, the engineers proposed to Nicholas that he draw the path of the future railroad on the map himself.

When long distance aviation or nautical routes are drawn on a flat map ( for instance, the Mercator projection ), they often look curved.

When the overhead map is viewed, some parts of certain levels have annotations that describe the name of an area.

When some object X is said to be embedded in another object Y, the embedding is given by some injective and structure-preserving map.

When looking at a map of the Province of Madrid, it can be seen that it is almost an equilateral triangle, in whose center would be the city.

When analyzing a weather map, a station model is plotted at each point of observation.

When the 1960 Winter Olympics came to Squaw Valley, Lake Tahoe was put firmly on the map as the skiing center of the western United States.

When the town was incorporated, Charlie Noblet's map was adopted and is now on record at the county seat, and is the official map of the city today.

When Smith presented his map to Charles I he suggested that the king should feel free to change any of the " barbarous names " for " English " ones.

# When a resource fork is accessed, data including the start position and length of the resource data and resource map is read in from the header.

When communicating with the Crows, one of Smith's men made a unique map ( buffalo hide and sand ), and the Crows were able to show Jedediah and his men the direction to the South Pass.

When Smith presented his map to Charles I, he suggested that the king should feel free to change the " barbarous names " for " English " ones.

When I traveled around the country without a map, trying to find my way, stumbling on amazing things as I went, I realized how it felt to go on an adventure like this.

When this map was made, Xanadu had been in ruins for almost three centuries.

When the king opened the map, revealing the bishou, Jing Ke seized it and attacked the king, who was briefly unable to draw his own sword.