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Brantford

(Encyclopedia)Brantford, city, S Ont., Canada, on the Grand River. It is a leading manufacturing city, noted particularly for its large farm implement factories. The ...

Tomsk

(Encyclopedia)Tomsk tŏmsk, Rus. tômsk [key], city (1989 pop. 502,000), capital of Tomsk region, W central Siberian Russia, on the Tom River. It is a major river port and freight transit point, and is a regional h...

scalar

(Encyclopedia)scalar, quantity or number possessing only sign and magnitude, e.g., the real numbers (see number), in contrast to vectors and tensors; scalars obey the rules of elementary algebra. Many physical quan...

Oroville Dam

(Encyclopedia)Oroville Dam, 770 ft (235 m) high and 7,600 ft (2,317 m) long, on the Feather River, N Calif., near the city of Oroville. The highest dam in the United States and the largest unit of the Feather River...

particle accelerator

(Encyclopedia)CE5 Linear accelerator (LINAC) CE5 Cyclotron: As the charged particles move faster, they spiral out to the edge of the Ds. particle accelerator, apparatus used in nuclear physics to produce bea...

calculator

(Encyclopedia)calculator or calculating machine, device for performing numerical computations; it may be mechanical, electromechanical, or electronic. The electronic computer is also a calculator but performs other...

Angoulême

(Encyclopedia)Angoulême äNgo͞olĕmˈ [key], city, capital of Charente dept., W France, on the Charente River. A former river port, it is now a major road and rail center. Its paper i...

Heaviside, Oliver

(Encyclopedia)Heaviside, Oliver hĕvˈēsīdˌ [key], 1850–1925, English physicist. He did valuable work in telephony and in the theory of electrical conduction in cables and other areas of electric theory. He su...

Athlone

(Encyclopedia)Athlone ăthlōnˈ [key], town, Co. Westmeath, central Republic of Ireland, on the Shannon River. It is an important road and rail junction and a busy inland port, reached...

Ohm, Georg Simon

(Encyclopedia)Ohm, Georg Simon gāˈôrkh zēˈmôn ōm [key], 1787–1854, German physicist. He was professor at Munich from 1852. His study of electric current led to his formulation of the law now known as Ohm's...