Tác

Tác is a village in Hungary. In the time of Roman Empire it was known as Gorsium-Herculia. An open-air museum presents the ruins.

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Tự Đức

Emperor Tự Đức (22 September 1829 – 17 July 1883) (full name: Nguyễn Phúc Hồng Nhậm, also Nguyễn Phúc Thì) was the fourth emperor of the Nguyễn Dynasty of Vietnam and reigned from 1847–1883.

Biography

The son of Emperor Thiệu Trị, Prince Nguyễn Phúc Hồng Nhậm was born on 22 September 1829, and succeeded his father on the throne, with the reigning title of Tự Đức, but family troubles caused his era to have a violent start. Thiệu Trị had passed over his more moderate eldest son, Hồng Bảo, to give the throne to Tự Đức, known for his staunch Confucianism and opposition to foreigners and innovation. As a result, and due to the repressive policies of the previous Nguyễn Dynasty emperor, there was now a great deal of dissatisfaction with Nguyễn rule and a legitimate royal figure to rally this opposition.

Rule

Conflict with Hồng Bảo

Prince Nguyễn Phúc Hồng Bảo became the leader of a rebellion against Tự Đức, consisting of Confucian scholars who were angered that the family hierarchy had been dishonored (by passing over the eldest son) some remaining supporters of the Lê Dynasty (who many still considered the legitimate dynasty of Vietnam) as well as the usual peasants angry over Nguyễn taxation and the usual corrupt mandarins as well as the Roman Catholic missionaries and Christian converts who had been so persecuted by Minh Mạng and Thiệu Trị. With swift military force, Tự Đức suppressed the rebellion and was set to execute his brother, but was dissuaded by his mother, Dowager queen Từ Dũ, and Hồng Bảo killed himself in prison.

TC

TC, T.C., Tc, T_c, tc, tC, or .tc may refer to:

Medicine and biology

Chemistry and physics

T_c may refer to:

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Science, mathematics and technology

Dynamic random-access memory

Dynamic random-access memory (DRAM) is a type of random-access memory that stores each bit of data in a separate capacitor within an integrated circuit. The capacitor can be either charged or discharged; these two states are taken to represent the two values of a bit, conventionally called 0 and 1. Since even "nonconducting" transistors always leak a small amount, the capacitors will slowly discharge, and the information eventually fades unless the capacitor charge is refreshed periodically. Because of this refresh requirement, it is a dynamic memory as opposed to static random-access memory (SRAM) and other static types of memory. Unlike flash memory, DRAM is volatile memory (vs. non-volatile memory), since it loses its data quickly when power is removed.

DRAM is widely used in digital electronics where low-cost and high-capacity memory is required. One of the largest applications for DRAM is the main memory (colloquially called the "RAM") in modern computers; and as the main memories of components used in these computers such as graphics cards (where the "main memory" is called the graphics memory). In contrast, SRAM, which is faster and more expensive than DRAM, is typically used where speed is of greater concern than cost, such as the cache memories in processors.

T&C

T&C may refer to:

Northrop T-38 Talon

The Northrop T-38 Talon is a two-seat, twin-engined supersonic jet trainer. It was the world's first supersonic trainer and is also the most produced. The T-38 remains in service as of 2015 in several air forces.

The United States Air Force (USAF) operates the most T-38s. In addition to training USAF pilots, the T-38 is used by NASA. The US Naval Test Pilot School is the principal US Navy operator (other T-38s were previously used as USN aggressor aircraft until replaced by the similar Northrop F-5 Tiger II). Pilots of other NATO nations fly the T-38 in joint training programs with USAF pilots.

As of 2015, the T-38 has been in service for over 50 years with its original operator, the United States Air Force.

Design and development

In 1952 Northrop began work on a fighter project, the Fang, with shoulder-mounted delta wing and a single engine. The proposed General Electric J79 engine, weighing nearly two tons, meant the resulting aircraft would be large and expensive. Then in 1953, representatives from General Electric Aviation's newly created Small Aircraft Engine Department showed Northrop a relatively tiny engine (around 400 lb installed wt) capable of 2,500 lb of thrust, and Northrop VP-Engineering Edgar Schmued saw the possibility of reversing the trend toward the large fighters. Schmued and chief engineer Welko Gasich decided on a small twin-engine "hot-rod" fighter, the N-156. Northrop began its N-156 project in 1954, aiming for a small supersonic fighter jet capable of operating from the US Navy's escort carriers. However, when the Navy chose not to pursue equipping its fleets in that fashion, Northrop continued the N-156 design using in-house funding, recasting it as a lightweight fighter (dubbed N-156F) and aimed at the export market.