persists
51Photorefractive effect — The photorefractive effect is a nonlinear optical effect seen in certain crystals and other materials that respond to light by altering their refractive indexcite book author=J. Frejlich title=Photorefractive materials : fundamental concepts,… …
52Hurricane Betsy — Infobox Hurricane Name=Hurricane Betsy Type=hurricane Year=1965 Basin=Atl Image location=Hurricane Betsy.jpg Formed=August 27, 1965 Dissipated=September 14, 1965 1 min winds=135 Pressure=941 Da Inflated=1 Fatalities=76 direct Areas=Windward… …
53Bluebeard's Castle — Duke Bluebeard s Castle (Hungarian: A kékszakállú herceg vára; literally: The Castle of the Blue Bearded Prince) is a one act opera by Hungarian composer Béla Bartók. The libretto was written by Béla Balázs, a poet and friend of the composer. It… …
54Tennessee Walking Horse — Infobox Horse name= Tennessee Walking Horse image caption= A Tennessee Walking Horse features = Unique Running Walk, Tall, long neck, calm disposition altname= Tennessee Walking Horse Walking horse nickname= Tennessee Walker, Walker, TWH country …
55Urticaria — Hives redirects here. For other uses, see Hive (disambiguation). Urticaria Classification and external resources Urticaria on the arm ICD 10 L …
56Long and short scales — The long and short scales are two of several different large number naming systems used throughout the world for integer powers of ten. Many countries, including most in continental Europe, use the long scale whereas most English speaking… …
57Traveler's diarrhea — Montezuma s revenge redirects here. For other uses, see Montezuma s revenge (disambiguation). Traveler s diarrhea Classification and external resources ICD 9 009.2 Traveler s diarrhea (TD), is the most common illness affecting travelers …
58Automatic Warning System — The Automatic Warning System (AWS) is a form of limited cab signalling and train protection system introduced in 1956 in the United Kingdom to help train drivers observe and obey signals. It was based on a 1930 system developed by Alfred Ernest… …
59Naltrexone — Not to be confused with the related chemical naloxone. Naltrexone Systematic (IUPAC) name …
60Persistent — may relate to: * Persistent Systems, a software company based in Pune, India * Persistent data structure, a data structure in computing which preserves the previous version of itself when it is modified * Persistent organic pollutant, an organic… …
