During her work she participated as a surface analysis consultant on the NASA Long Duration Exposure Facility experiment.

During this time he also started to experiment with ink and wash painting seen in work like Portrait of a Woman ( 1955 ) as well as creating portraits to illustrate the music surrounding him in Harlem.

During the 1990s, the first peak was measured with increasing sensitivity and by 2000 the BOOMERanG experiment reported that the highest power fluctuations occur at scales of approximately one degree.

During the middle ages Aristotle's theory of tabula rasa was developed by Islamic philosophers starting with Al Farabi, developing into an elaborate theory by Avicenna and demonstrated as a thought experiment by Ibn Tufail.

" During Washington's last five years at Tuskegee, Carver submitted or threatened his resignation several times: when the administration reorganized the agriculture programs, when he disliked a teaching assignment, to manage an experiment station elsewhere, and when he did not get summer teaching assignments in 1913-1914.

During this period, they also began to experiment with cutting-edge comedy concepts such as the original ( unreleased ) Filet of Soul and Jan & Dean Meet Batman.

# During the course of the experiment the human subject should be at liberty to bring the experiment to an end if he has reached the physical or mental state where continuation of the experiment seems to him to be impossible.

# During the course of the experiment the scientist in charge must be prepared to terminate the experiment at any stage, if he has probable cause to believe, in the exercise of the good faith, superior skill and careful judgment required of him that a continuation of the experiment is likely to result in injury, disability, or death to the experimental subject.

During an experiment in Cambridge over the seven years 2001 – 2007 Majerus noted the natural resting positions of peppered moths, and of the 135 moths examined over half were on tree branches, mostly on the lower half of the branch, 37 % were on tree trunks, mostly on the north side, and only 12. 6 % were resting on or under twigs.

During the 1960s civil rights movement, Bearden started to experiment again, this time with forms of collage.

During the experiment, a " hate score " was recorded for each picture.

During the experiment, both spacecraft were going to be on the same idealized magnetic field spiral carried out from the sun by the solar wind.

During an international meeting of fuzzy researchers in Tokyo that year, Takeshi Yamakawa demonstrated the use of fuzzy control, through a set of simple dedicated fuzzy logic chips, in an " inverted pendulum " experiment.

During this year Berlioz also conducted an experiment on his many vocal critics.

During his Tuscan period, though preoccuppied with figurative subjects, he began to experiment with drawings in landscape, and according to non-contemporary sources his introduction to the latter genre was through the Roman landscape painter and etcher Paolo Anesi ( 1697-1773 ).< ref > Lanzi, Luigi.

During a SANS experiment a beam of neutrons is directed at a sample, which can be an aqueous solution, a solid, a powder, or a crystal.

During the early 1880s, The Church of Jesus Christ of Latter-day Saints lost interest in the experiment, but Orderville attempted to continue it.

During the termination phase of the mission, a " windmill experiment " was performed: Atmospheric molecular pressure exerts a torque via the then windmill-sail-like oriented solar cell wings, the necessary counter-torque to keep the sonde from spinning is measured.

In 1801, he performed an experiment showing that the electricity from friction was identical to that produced by voltaic piles. During the last years of his life he performed electrical experiments that would pave the way to the eventual design of the electric motor.

During the 1940s, scientists decided to move 70 of Baltra's land iguanas to the neighbouring North Seymour Island as part of an experiment.

During this lecture, Bose committed an error in applying the theory, which unexpectedly gave a prediction that agreed with the experiment.

During the reign of Casimir I the Restorer, Kraków for the first time became the capital of Poland ( around 1040 ), since Greater Poland and Silesia, with main Polish urban centers, such as Gniezno and Poznań were ravaged by Duke Bretislaus I of Bohemia.

During the German occupation of 1939 – 1945, Poznań was incorporated into the Third Reich as the capital of Reichsgau Wartheland.

During the next part of the offensive Henry II retook Meissen and in 1005 his army advanced as far into Poland as the city of Poznań where a peace treaty was signed.

During the Pan-Slavic meeting of the Sokół movement in Poznań, she scored her first major international victories.

During World War II 630, 000 Poles and Jews were expelled from the territory into the occupied General Government ( more than 70, 000 from Poznań alone ) in actions called the Kleine Planung.

During the Revolutions of 1848 the Frankfurt Parliament attempted to divide the Duchy into two parts: the Province of Poznań, which would have been given to the Germans and annexed to a newly-created German Empire, and the Province of Gniezno, which would have been given to the Poles and held outside Germany, but because of the protest of Polish parliamentarians these plans failed and the integrity of the duchy was preserved.

During the reign of King Boleslaus the Brave, there was a fortified settlement here, which protected the ford across the Warta on an important trade route from Silesia to Poznań.

During the 10th century, their territory was conquered by another West Slavic tribe, the Polans settling in the adjacent Greater Polish land around Poznań and Gniezno and upon the death of Duke Mieszko I of Poland in 992, the Kujawy lands were part of his Civitas Schinesghe as circumscribed in the Dagome iudex papal regesta.

During the 2008 – 09 season, Wisła lost points at home only twice ; tying Łódzki KS and being defeated by Lech Poznań.

During the years 1978 – 89, she was a member of Polish United Workers ' Party, the name used by the Communist Party ruling Poland between 1948 and 1989 and, in 1993, joined its successor party, the Social Democracy of the Republic of Poland, becoming, in 1996, its leader in Poznań.

During the big reorganization of the scientific societies in Pomerania, in 1950 the institute became a part of the Western Institute in Poznań, but was made independent again in 1958 with its headquarters in Gdańsk.

During the night of 17 September, the main forces of Army Poznań attacked the German forces in order to break out of the German encirclement between Witkowice and Sochaczew.

During her last stay in Poland, from October 31, 1902 to April 28, 1903, she appeared on the stage in Lwów, Poznań and her native Kraków.

During this audience, Napoleon ordered Dąbrowski to go to Poznań and organize regular Polish troops.

During the reorganization in 1948 the Silesian Institute became part of the Western Institute ( Instytut Zachodni ) in Poznań.

During the Invasion of Poland in 1939 he commanded the Poznań Army composed of four infantry divisions ( 14, 17, 25, 26 ) and two cavalry brigades ( Wielkopolska and Podolska ).

During the Middle Ages, Lebus served as an important stop on trade routes from the Baltic Sea to Italy and from Poznań to Flanders.

During one of these incidents, Major, a detainee at a police station in Łódź, proclaimed, in reference to the Marxist and Hegelian dialectics, yet another artistic manifesto and referred to his graffiti art as " dialectic painting " stating: " The Thesis is the Anti-Regime Slogan.

During this time he wrote " Kwiaty Polskie " ( Polish Flowers ), an epic poem in which he remembers with nostalgia his early childhood in Łódź.

During the years 1912-1914 the teenage artist produced numerous drawings and caricatures on contemporary political themes that were published in the Łódź satirical magazine Śmiech.

During several desperate counter-attacks, the brigade suffered heavy casualties near Łódź.