What Is Lorazepam And What Does It Treat? Lorazepam is a benzodiazepine. It is approved for the treatment of anxiety, status epilepticus (continuous seizures), and as a medication given right before anesthesia. However, benzodiazepines are also commonly used to treat difficulty sleeping and alcohol withdrawal.
Compact Disk of James Russel. The first workable digital compact disc device, the precursor on now ubiquitous CD/DVDs, was invented in the late 1960s by the American physicist James Russell. James T. Russell was born in Bremerton, Washington in 1931. In 1953, Russell earned his Bachelor degree in physics and graduated from Reed College in Portland.
Why 78, 45 and 33 1/3 record formats? 1.78s: (c. 1900 - 1960) The first disc format was the 10-inch 78 rpm record, pictured above in the center, invented around 1900. The first record player was invented around 1870 by Thomas Edison, but this used cylindrical records about the size of an empty toilet paper tube.