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Bekesy, Georg von

(Encyclopedia)Bekesy, Georg von gāˈôrk fən bĕkˈĭshē [key], 1899–1972, American biophysicist, b. Budapest, Hungary, grad. Univ. of Budapest (Ph.D. 1923). He was (1923–46) a physicist in the research labo...

bionics

(Encyclopedia)bionics, the study of living systems with the intention of applying their principles to the design of engineering systems. Drawing on interdisciplinary research in the mechanical and life sciences, bi...

Kildare, Thomas Fitzgerald, 10th earl of

(Encyclopedia)Kildare, Thomas Fitzgerald, 10th earl of, 1513–37, Irish nobleman, called Silken Thomas. When his father, the 9th earl and lord deputy of Ireland, was summoned to London on charges of maladministrat...

Alamán, Lucas

(Encyclopedia)Alamán, Lucas lo͞oˈkäs älämänˈ [key], 1792–1853, Mexican historian and statesman. As deputy to the Spanish Cortes, he failed to win a hearing for the insurgents in Mexico. Returning to Mexic...

cerebral palsy

(Encyclopedia)cerebral palsy sərēˈbrəl pôlˈzē [key], disability caused by brain damage before or during birth or in the first years, resulting in a loss of voluntary muscular control and coordination. Althou...

Vernon, Edward

(Encyclopedia)Vernon, Edward, 1684–1757, British admiral. He entered the navy in 1700 and rose steadily in rank. A member of Parliament from 1722, he opposed the government of Sir Robert Walpole and urged war wit...

learning disabilities

(Encyclopedia)learning disabilities, in education, any of various disorders involved in understanding or using spoken or written language, including difficulties in listening, thinking, talking, reading, writing, s...

Rayleigh, John William Strutt, 3d Baron

(Encyclopedia)Rayleigh, John William Strutt, 3d Baron rāˈlē [key], 1842–1919, English physicist. He was professor at Cambridge (1879–84) and at the Royal Institution (1887–1905), and chancellor of Cambridg...

acoustics

(Encyclopedia)acoustics əko͞oˈstĭks [key] [Gr.,=the facts about hearing], the science of sound, including its production, propagation, and effects. Various branches of acoustics that deal with different aspects...

Michael the Brave

(Encyclopedia)Michael the Brave, d. 1601, prince of Walachia (1593–1601), of Transylvania (1599–1600), and of Moldavia (1600). Michael was one of Romania's greatest medieval rulers, as well as a celebrated mili...