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The Eureka is a privately owned 3 ft (914 mm) gauge steam locomotive based in Las Vegas, Nevada. It is one of three preserved Baldwin class 8-18 C 4-4-0 locomotives in the United States, of which it is the only operable example. [2] It is listed on the United States National Register of Historic Places. [3] [4]
Eureka comes from Ancient Greek εὕρηκα (heúrēka) 'I have found (it)', which is the first person singular perfect indicative active of the verb εὑρίσκω heurískō ' I find '. [1] It is closely related to heuristic , which refers to experience-based techniques for problem-solving, learning, and discovery.
Eureka, then, is the culmination of Poe's interest in capturing truth through language, an extension of his interest in cryptography. [19] Eureka seems to continue the science fiction traditions he had used in works like "MS. Found in a Bottle" and "The Facts in the Case of M. Valdemar". [11]
On October 17, 2005, GuruNet changed its corporate name to Answers Corporation, unifying the company's name and its website, Answers.com. [4] From 2005 to late 2009, the Google search engine definitions feature, in the top-right corner of the site, was linked to Answers.com. [5] On July 2, 2006, Answers.com released a trivia game known as blufr.
One study found that "Aha" answers produced more negative ERP results, N380 in the ACC, than the "No-Aha" answers, 250–500 ms, after an answer was produced. [7] The authors suspected that this N380 in the ACC is a sign of breaking the mental set, and reflects the Aha! effect.
In November 2009 the program was made available to download as freeware. [4] Lipson described the tool's benefit as dealing with fields that are overwhelmed with data but lack theory to explain it. [5] In the October 2011 edition of "Physical Biology", Lipson described a yeast experiment that predicted seven known equations. [6]
A-plusses, if given, are usually assigned a value of 4.0 (equivalent to an A) due to the common assumption that a 4.00 is the best possible grade-point average, although 4.33 is awarded at some institutions. In some places, .25 or .3 instead of .33 is added for a plus grade and subtracted for a minus grade.
It was followed on February 4, 2010, by a magnitude 5.9 earthquake which struck about 35 miles (56 km) northwest of the community of Petrolia and nearly 50 miles (80 km) west of Eureka. The shaking was felt within a 150-mile (240 km) radius, as far north as southern Oregon and as far south as Sonoma County .