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The Build Engine is a first-person shooter engine created by Ken Silverman, author of Ken's Labyrinth, for 3D Realms. Like the Doom engine , the Build Engine represents its world on a two-dimensional grid using closed 2D shapes called sectors, and uses simple flat objects called sprites to populate the world geometry with objects.
On 28 June 1946, Boeing was issued a letter of contract for US$1.7 million to build a full-scale mockup of the new XB-52 and do preliminary engineering and testing. [17] However, by October 1946, the USAAF began to express concern about the sheer size of the new aircraft and its inability to meet the specified design requirements. [ 18 ]
The regional toponym Mesopotamia (/ ˌ m ɛ s ə p ə ˈ t eɪ m i ə /, Ancient Greek: Μεσοποταμία '[land] between rivers'; Arabic: بِلَاد ٱلرَّافِدَيْن Bilād ar-Rāfidayn or بَيْن ٱلنَّهْرَيْن Bayn an-Nahrayn; Persian: میانرودان miyân rudân; Syriac: ܒܝܬ ܢܗܪ̈ܝܢ Beth Nahrain "(land) between the (two) rivers") comes from the ...
Viscosity is a measure of a fluid's rate-dependent resistance to a change in shape or to movement of its neighboring portions relative to one another. [1] For liquids, it corresponds to the informal concept of thickness; for example, syrup has a higher viscosity than water. [2]
Two modern handwritten fours Sculpted date "1481" in the Convent church of Maria Steinach in Algund, South Tirol, Italy.The upward loop signifies the number 4. Brahmic numerals represented 1, 2, and 3 with as many lines. 4 was simplified by joining its four lines into a cross that looks like the modern plus sign.
The General Atomics MQ-9 Reaper (sometimes called Predator B) is an unmanned aerial vehicle (UAV, one component of an unmanned aircraft system (UAS)) capable of remotely controlled or autonomous flight operations, developed by General Atomics Aeronautical Systems (GA-ASI) primarily for the United States Air Force (USAF).