One gentleman, Hiroyuki Goto, recited no less than 42,000 digits of pi from memory in 1995. This record feat took him about nine hours to complete. Pi = 3.1415926535897932384626433832795028841971... The most common type of mnemonic is the word-length mnemonic in which the number of letters in each word corresponds to a digit. This simple one gives pi to seven decimal places: How I wish I could calculate pi. This longer one, giving fifteen decimal places of pi, is popular with students: How I like a drink, alcoholic of course,
Written By: Astoria Bridge, also called Astoria-Megler Bridge or Columbia River (Astoria) Bridge, bridge spanning the mouth of the Columbia River between the states of Oregon and Washington, western United States. At its completion in 1966, it was the longest continuous-truss bridge in the world. The bridge, stretching from Astoria, Ore., to Point Ellice (near Megler), Wash., provided the final link in the U.S. highway system between Mexico and Canada when it opened to traffic.
Rainbow Bridge National Monument is administered by Glen Canyon National Recreation Area, southern Utah, United States. Rainbow Bridge is often described as the world's highest natural bridge. The span of Rainbow Bridge was reported in 1974 by the Bureau of Reclamation to be 275 feet, but a laser measurement in 2007 has resulted in a span of 234 feet. At the top it is 42 feet thick and 33 feet wide. The bridge, which is of cultural importance to a number of area Native American tribes, has been