Monthly Archives: June 2015

Einstein Introduces Special Relativity (1905)

In physics, the theory of special relativity generalizes Galileo’s principle of relativity—that all uniform motion is relative and that there is no absolute state of rest. Though physicists Hendrik Lorentz and Henri Poincaré had made contributions to the theory already, Einstein provided a radically new interpretation in his 1905 paper “On the Electrodynamics of Moving Bodies.” In it, Einstein redefines the concepts of space and time and abolishes the concept of “aether,” which is what? Discuss

Source: The Free Dictionary

Guatemala Army Day

Guatemala‘s Liberal Revolution, which called for the end of the dictatorship of Vicente Cerna, culminated with a revolt in Guatemala City on June 30, 1871. Originally known as Revolution Day, the anniversary of the revolt became Día del Ejército (Army Day), an official holiday recognizing the service of the armed forces. It has been marked over the years by annual parades, usually in Guatemala City. In 2007, protests against the parade spawned violence in the streets, and the ongoing resistance compelled the government to cancel the official parade the following year. Discuss

Source: The Free Dictionary

Lena Horne (1917)

An iconic American singer and actress, Horne began dancing at Harlem’s Cotton Club as a teen and, with the help of her stunning voice and good looks, was soon singing with popular bands. She went on to record and perform extensively and appeared in a number of musicals and films, including Stormy Weather, whose title song became her signature. Her one-woman show, Lena Horne: The Lady and Her Music, was hailed as her masterpiece. Why was Horne blacklisted in the 1950s? Discuss

Source: The Free Dictionary

Vieques, Puerto Rico

Vieques is an island-municipality of Puerto Rico, located east of the Puerto Rican mainland. Most of Vieques was within US military installations from the 1940s. The facilities included a live-ammunition training area for the US navy, a use that was the subject of protests by many Puerto Ricans. In 2001 the federal government announced that it would halt all military exercises on the island by May, 2003. The former installations are now being converted to what? Discuss

Source: The Free Dictionary

Atlantis Docks with Mir for the First Time (1995)

The first in a series of seven docking missions the US Space Shuttle Atlantis flew to the Russian space station Mir, the STS-71 mission was a notable episode in spaceflight history, as it marked the 100th manned space launch by the US and the first ever on-orbit crew change. The five-day docking of the two crafts also marked the creation of the largest spacecraft ever placed into orbit at that time. When linked, Atlantis and Mir had a total mass of how many tonnes? Discuss

Source: The Free Dictionary

Mnarja

Mnarja is the principal folk festival of Malta and a public holiday there, thought to have been originally a harvest festival. It is held in Buskett Gardens, a park with extensive vineyards and orange and lemon orchards not far from Mdina, Malta’s medieval capital. Festivities begin on the eve of Mnarja with an agricultural show that continues through the next morning and folk-singing and folk-music competitions. The traditional food of the evening is fried rabbit. On the following day, bareback horse and donkey races bring the feast to an end. Discuss

Source: The Free Dictionary

William James Mayo (1861)

While working as a surgeon with his physician father and brother—William Worrall Mayo and Charles Mayo—in the hospital his father had helped establish in Rochester, Minnesota, William James Mayo joined the two in co-founding what would become the Mayo Clinic, a world-renowned nonprofit medical practice. William James became especially known for his innovations in stomach, gall bladder, and cancer operations. According to one story, what did William James help his father do when he was just 16? Discuss

Source: The Free Dictionary

Key Biscayne

Key Biscayne is an island located in Miami-Dade County, Florida, between the Atlantic Ocean and Biscayne Bay. While named a ‘key’, it is not geologically part of the Florida Keys, but a barrier island composed of sand eroded from the Appalachian Mountains and carried there. When Hurricane Andrew stripped part of the island in 1992, archeologists found extensive evidence of a large Tequesta community that had lived there up to 2,000 years ago. What is the island’s history with regard to slavery? Discuss

Source: The Free Dictionary