Two locations on the Moon were given primary consideration for exploration by the Apollo 16 expedition, the Descartes Highlands region west of Mare Nectaris and the crater Alphonsus.

It has been argued by John Mosier that, while the French soldiers in 1940 were better trained than German soldiers, as were the Americans later, and the German army was the least mechanised of the major armies, its leadership cadres were both larger and superior and their high standards of leadership were the primary reason for the successes of the German army in World War Two as it had been in World War One.

Two of the primary methods for identifying rocks in the laboratory are through optical microscopy and by using an electron microprobe.

Two of these six helices are separated by a loop that lines the pore and is the primary determinant of ion selectivity and conductance in this channel class and some others.

Two primary factors influence Japan's climate: a location near the Asian continent and the existence of major oceanic currents.

Two of the Giants " Giant Quarterbacks " logos ; primary logo 1956 – 60 ( top ), and secondary logo 2000 – 2009.

Two water molecules are oxidized by four successive charge-separation reactions by photosystem II to yield a molecule of diatomic oxygen and four hydrogen ions ; the electron yielded in each step is transferred to a redox-active tyrosine residue that then reduces the photoxidized paired-chlorophyll a species called P680 that serves as the primary ( light-driven ) electron donor in the photosystem II reaction center.

Two of the primary architects of the Aztec empire were the half-brothers Tlacaelel and Montezuma I, nephews of Itzcoatl.

Two primary authorities granted to the Army Corps of Engineers by Congress fall under Section 10 of the Rivers and Harbors Act and Section 404 of the Clean Water Act.

Two nationalism's primary myths are connected with beliefs in:

Two primary methods have been used to define and locate the G-Spot as a sensitive area in the vagina:

The golden age began with the 4th dynasty, which seems to have furthered the primary role of Memphis as a royal residence where rulers received the double crown, the divine manifestation of the unification of the Two Lands.

Two miles ( 3 km ) west of Marsing, Highway 55 connects with U. S. Route 95, the primary north-south route for the state.

Two of which are primary schools and the other is a secondary school.

The One Hundred and Two River, located on the eastern side of the city, is the primary source of power and water for the city.

Two rounds are held, with the top two vote-getters in the primary advancing to the general election.

Two candidates, Thomas Hawk and Sam Ausband, are competing in the 2011 Republican primary to challenge Cloninger.

Two private primary schools, Bowling Green Christian Academy and the Montessori School of Bowling Green, and one parochial, St. Aloysius, also call Bowling Green home.

Two primary schools, Harlean Beal Elementary School and David K. Sellars Elementary School, serve separate areas within the FWISD section of Forest Hill.

Two things are characteristic for the pressurized water reactor ( PWR ) when compared with other reactor types: coolant loop separation from the steam system and pressure inside the primary coolant loop.

Two other large notable holding companies are United Continental Holdings and AMR Corporation, whose primary purposes are to wholly own United Airlines and American Airlines, respectively.

Two assumptions underpinned the British approach to HAA fire ; first, aimed fire was the primary method and this was enabled by predicting gun data from visually tracking the target and having its height.

Two public primary school districts serve Bayside.

Two primary proposals emerged, one from New Deal Senator Harley M. Kilgore and another from Vannevar Bush.

Two other primary choices, Steve Morse ( Dixie Dregs, Kansas ( band ), Deep Purple ) and Jim Matheos ( Fates Warning ) were also unavailable.

Two interesting experiments were devised by Newton to demonstrate how these forces could be discovered, thereby revealing to an observer that they were not in an inertial frame: the example of the tension in the cord linking two spheres rotating about their center of gravity, and the example of the curvature of the surface of water in a rotating bucket.

Two projects, the National Ignition Facility and ITER are in the process of reaching breakeven, that is, producing as much energy as was required to ignite the reaction, after 60 years of design improvements developed from previous experiments.

Some of the better known modern experiments include the Findhorn Foundation in Scotland, Dancing Rabbit Ecovillage, Twin Oaks and Los Horcones ( inspired by B. F. Skinner's Walden Two ) and The Farm in the US, ZEGG in Germany, Camphill Communities ( all over, but originating in Europe ), and Auroville in India.

Two years later he continued his experiments at the works of Messrs. Fox, Henderson, and Co., of Smethwick, near Birmingham, who had taken the matter in hand.

Two kinds of experiments are commonly performed on these instruments: sedimentation velocity experiments and sedimentation equilibrium experiments.

A new television series for the BBC called The Cosmos – A Beginner's Guide was broadcast on 7 August 2007 by BBC Two, and explored the latest ideas and experiments in cosmology.

Two experiments in 1925 laid the groundwork to fill in this gap.

Two French inventors, Louis Breguet and Paul Cornu, made independent experiments with the first flying helicopters in 1907.

Two in particular ( one at BELLE, and the other at CLAS ) had nearly the same conditions as other experiments which claimed to have detected the ( DIANA and SAPHIR respectively ).

The experiments reported in Two New Sciences to determine the law of acceleration of falling bodies, for instance, required accurate measurements of time, which appeared to be impossible with the technology of 1600.

Galileo Galilei first described this principle in 1632 in his Dialogue Concerning the Two Chief World Systems using the example of a ship travelling at constant velocity, without rocking, on a smooth sea ; any observer doing experiments below the deck would not be able to tell whether the ship was moving or stationary.

:" Two American scientists are lost in the swirling maze of past and future ages, during the first experiments on America's greatest and most secret project, the Time Tunnel.

Two Getaway Special experiments required that they be deployed from their canisters, a first for the program.

Two further experiments involved atmospheric sciences, while one was in communications research.

* Two Shuttle Student Involvement Program ( SSIP ) experiments

Two neurovestibular experiments investigating space motion sickness and perception changes were performed on the 2nd day as well.

Two mid-deck experiments are the Middeck Glovbox Payload ( MGBX ) and the Collaborative Ukrainian Experiment ( CUE ).

Although originally experimented with by the Germans in World War Two, it was not until the 1950s the U. S. began conducting early experiments using multiple tubes in a " cascade ", by coupling the output of an inverting tube to the input of another tube, which allowed for increased amplification of the object light being viewed.

Two experiments exemplify the use of the system.

Two days later, the Soyuz spacecraft arrived at the International Space Station, where he spent eight days participating in experiments related to AIDS and genome research.

Two " Ground controls "— exact copies of the equipment and experiments — will be run on the ground, one in Europe and one at NASA's Ames Research Center.

Two large experiments, STAR and PHENIX, are located at 6 and 8 o ' clock respectively.