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Exercise

Underground cavity

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Author

Sylvain Bréchet

Sylvain Bréchet was born on October 13th, 1981 in Moudon (legal origin Epesses, VD, Switzerland). He obtained a Master of Science in physics at EPFL in 2005. He went on to Cambridge for his PhD studies in theoretical cosmology from 2005 to 2009 under the supervision of Prof. Lasenby (FRS) and Prof. Michael Hobson at the Cavendish Laboratory of the University of Cambridge. He went back to EPFL where he is since 2010 university lecturer and research scientist in the Institute of Condensed Matter Physics. He taught classical mechanics, special relativity and thermodynamics to mechanical, electrical engineering students and physics students. He is currently writing a textbook in thermodynamics.

Official source

https://exoset.epfl.ch/resources/underground-cavity

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Related concepts (3)

Andrew Carnegie

Andrew Carnegie (kɑrˈnɛːɡi, kɑrˈnɛɡi ; November 25, 1835 - August 11, 1919) was an American industrialist and philanthropist. Carnegie led the expansion of the American steel industry in the late 19th century and became one of the richest Americans in history. He became a leading philanthropist in the United States, Great Britain, and the British Empire. During the last 18 years of his life, he gave away around

350 million (roughly

billion in ), almost 90 percent of his fortune, to charities, foundations and universities.

Approximant

Approximants are speech sounds that involve the articulators approaching each other but not narrowly enough nor with enough articulatory precision to create turbulent airflow. Therefore, approximants fall between fricatives, which do produce a turbulent airstream, and vowels, which produce no turbulence. This class is composed of sounds like [ɹ] (as in rest) and semivowels like [j] and [w] (as in yes and west, respectively), as well as lateral approximants like [l] (as in less).

Angles (tribe)

The Angles (Ængle, Engle; Angli) were one of the main Germanic peoples who settled in Great Britain in the post-Roman period. They founded several kingdoms of the Heptarchy in Anglo-Saxon England. Their name is the root of the name England ("land of Ængle"). According to Tacitus, writing around 100 AD, a people known as Angles (Anglii) lived east of the Lombards and Semnones, who lived near the Elbe river. The name of the Angles may have been first recorded in Latinised form, as Anglii, in the Germania of Tacitus.

Related concepts (3)

Andrew Carnegie

350 million (roughly

billion in ), almost 90 percent of his fortune, to charities, foundations and universities.

Approximant

Angles (tribe)