BROVANA Â® (arformoterol tartrate) Inhalation Solution is a long-acting beta 2-adrenergic agonist (LABA) indicated for the long-term, twice-daily (morning and evening) maintenance treatment of bronchoconstriction in patients with chronic obstructive pulmonary disease (COPD), including chronic bronchitis and/or emphysema.
The oil drop experiment was performed by Robert A. Millikan and Harvey Fletcher in 1909 to measure the elementary electric charge (the charge of the electron). The experiment entailed observing tiny electrically charged droplets of oil located between two parallel metal surfaces, forming the plates of a capacitor.
Date: March 1910-September 1911. Location: Kern Country, California. Oil Spilled: 378 million gallons. The worst accidential oil spill in U.S. and world history occurred in 1910, when a crew drilling for oil beneath California scrubland tapped into a high-pressure reservoir 2,200 feet below the surface.