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Also on July 9, media reported that a triangular object found near Oxford Ohio by John Strucks was also a radar target used on weather balloons. [126] Dozens of "flying discs" in Richmond, Virginia were revealed to be paper plates released by jokesters from a tall building. [ 127 ]
The Tucson artifacts, sometimes called the Tucson Lead Crosses, Tucson Crosses, Silverbell Road artifacts, or Silverbell artifacts, were thirty-one lead objects that Charles E. Manier and his family found in 1924 near Picture Rocks, Arizona, that were initially thought by some to be created by early Mediterranean civilizations that had crossed the Atlantic in the first century, but were later ...
Donald Campbell set seven world water speed records between 1955 and 1964 in the jet engine hydroplane, Bluebird. Starting in 1980, they have increasingly used Vietnam War -era turboshaft engines from helicopters (in 1973–1974, one hydroplane, U-95 , used turbine engines in races to test the technology).
Now, Dutch researchers say they've found a much simpler technique to make the job easier: just add water. Yep, how the builders transported stones weighing several tons from quarries all over the ...
Apart from rare examples running on snow or ice (such as Max Valier's RAK BOBs of the late 1920s [1] and Harry Bull's BR-1 in 1931 [2]), most rocket sleds run on a track. Although some rocket sleds ride on single beams or rails, most use a pair of rails. Standard gauge (1.435 m / 56.5 in) is common but sled tracks of narrower or wider gauge ...
Sleds as the normal form of winter transport near Stockholm c. 1800. A carabao sled ( kangga ) in the Philippines (c. 1899) A child's sledge (19th century), Radomysl Castle The people of Ancient Egypt are thought to have used sledges (aka "skids") extensively in the construction of their public works, in particular for the transportation of ...
Arizona is also one of the Four Corners states and is diagonally adjacent to Colorado. Arizona has a total area of 113,998 square miles (295,253 km 2), making it the sixth largest U.S. state. [1] Of this area, just 0.3% consists of water, which makes Arizona the state with the second lowest percentage of water area (New Mexico is the lowest at ...
A personal watercraft (PWC), also called Jet Ski or water scooter, is a primarily recreational watercraft that is designed to hold only a small number of occupants, who sit or stand on top of the craft, not within the craft as in a boat. Prominent brands of PWCs include Jet Skis and Sea-Doos. PWCs have two style categories.