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감쇠장
58,759 조회 · 1분 읽기
감쇠장(減衰場, 영어: evanescent field) 또는 소산장(消散場)이란 전자파(빛),가 특정한 조건 하에서 금속 같은 반사성이 있는 매질 내부에서 야기하는 전자장의 변동을 말한다. 감쇠장에서 방출(반사)되는 전자파인 소멸파(消滅波, 영어: evanescent wave)는 지수함수적으로 세기가 감소하는 전자기파로 근접장파의 일종이다.
Top reads and historical moments for this date. 3분 읽기
Top Reads
12개 기사#5
19,905 조회
이해욱(李海旭, 1968년 2월 14일 ~ )은 대한민국의 기업인이다. 본관은 전주, 대림산업 창업주 수암(修巖) 이재준(李載濬)의 손자이며, DL그룹(Daelim Group) 이준용(李埈鎔) 회장의 장남이다. 현재…
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On This Day
10개 이벤트2005
A fire and explosion at an oil refinery in Texas City, the third-largest in the United States, killed 15 workers.
1996
Lee Teng-hui (pictured) was elected President of the Republic of China in the first direct presidential election in Taiwan.
1994
Aeroflot Flight 593 crashed into a hillside in Russia's Kemerovo Oblast, killing all 75 people on board, after the pilot's 15-year-old son unknowingly disabled the autopilot while seated at the controls.
1993
The demolition of Kowloon Walled City (pictured), a densely crowded slum in Hong Kong, began.
1991
The Sierra Leone Civil War began with the invasion of the Revolutionary United Front, with support from the special forces of Charles Taylor's National Patriotic Front of Liberia, in an attempt to overthrow President Joseph Saidu Momoh.
1989
Two researchers announced the discovery of cold fusion, a claim that was later discredited.
1977
British journalist David Frost began a series of interviews with former U.S. president Richard Nixon, starting with the Watergate scandal.
1933
The Nazi Party took the first step in the Gleichschaltung process by having the Enabling Act passed, giving the government the right to make laws without the involvement of the Reichstag.
1931
Bhagat Singh (pictured), one of the most influential revolutionaries of the Indian independence movement, and two others were executed by the British authorities for their murder of a police officer.
1919
Benito Mussolini and his supporters founded the Fasci Italiani di Combattimento, the predecessor of the National Fascist Party.