The term "smoke test" can refer to troubleshooting methods in a variety of fields. In electronics, a smoke test refers to the first, most basic test of a newly repaired or assembled system, in which the system is merely plugged in to see if it starts smoking or catches fire. In other industries, smoke testing is the practice of forcing smoke into a cavity to check for leaks, such as in a plumbing pipe, clarinet, or car's vacuum system. How are smoke tests used in infectious disease control?
Back in the day
As the archbishop of San Salvador during El Salvador's civil war, Romero won international acclaim by speaking out against social injustices, such as human rights abuses and assassinations perpetrated by the Salvadoran government. Just one day after Romero publicly exhorted Salvadoran soldiers to obey God instead of their corrupt government, he was shot to death while celebrating Mass. What unprecedented confession did the president of El Salvador make on the 30th anniversary of Romero's death?
Born on a day like today
Schreiner was a South African author and feminist. Though she had no formal education, she read widely and developed a keen intellect and militantly feminist and liberal views. In 1883, she published her famed semiautobiographical novel, The Story of an African Farm, about a girl who lives on an isolated farm and struggles to attain independence in the face of rigid Boer social conventions. Under what pseudonym did Schreiner publish this text, arguably the first great South African novel?