送交者: cornbug 于 2011-02-25, 01:54:39:
回答: 你觉得不是视觉错觉?那是什么原因呢? 由 李晋闻 于 2011-02-25, 01:29:37:
The Magnetic Hill is an example of a gravity hill, a type of optical illusion created by rising and descending terrain. It is located at the northern edge of the city of Moncton in the Canadian province of New Brunswick The Magnetic Hill is an example of a gravity hill, a type of optical illusion created by rising and descending terrain. It is located at the northern edge of the city of Moncton in the Canadian province of New Brunswick. The general area is at the base of a ridge named “Lutes Mountain”, which rises several hundred feet above the surrounding Petitcodiac River valley. In the 1800s, a cart path was built from the city in the south onto the ridge. The path was subsequently expanded during the early 1900s and during the age of the automobile, ca. 1931, it was noticed that at one point near the base of the ridge when driving south, motorists were required to accelerate in order to prevent rolling backward (i.e., what appears to be downhill). The novelty became known as “Magnetic Hill” and was more-or-less an amusing local attraction for residents and visitors to try. Eventually with the rise in tourism after the Second World War, along with local highway construction which saw a “Mountain Road” bypass built further west from Magnetic Hill, the roughly 1 kilometre segment of gravel road became one of Moncton’s prime tourist attractions (along with the tidal bore on the Petitcodiac River). In the 1980s, both the federal, provincial and municipal governments invested significant money in a major tourism development for the area surrounding Magnetic Hill. Today, a golf course, zoo, narrow-gauge railway, gift shops, and a water theme park have all been built near the Mountain Road interchange with the Trans-Canada Highway. To experience Magnetic Hill today, drivers must pay a fee to drive their cars to the end of the road (which has been preserved). When a car is placed in neutral, it will begin to roll backwards, apparently uphill. Sharp observers will also note that water in the adjacent drainage ditches also seemingly runs “uphill.” Magnetic Hill is mentioned in the Raffi song "C-A-N-A-D-A", from his Bananaphone album.