People don't just stumble on the Oregon Vortex, they've already heard of it. They're watching for the signs along Interstate 5. They want to believe. And the tour guide's polished patter suggests, reinforces and directs every eye to the quite reliable - and completely explicable - effects lying within "the famous circular area."
The first impressive effect upon entering is an eight-foot concrete walkway where two tourists take their positions at either end, next to seven-foot wooden standards. The walkway is aligned to local magnetic north (2). The hill slopes to the south all around, while the trees, basically, don't stand upright. There's no view of any horizon, but a handy plumb bob on a wire chain indicates which way is up.
Then, as the two visitors, one on each end of the plank, exchange position, an apparently remarkable thing occurs: the person moving north to south seemingly grows, while the one moving south to north appears to shrink. Noticeably. The crowd is amazed.
The guide demonstrates the effect with a metal pole that also grows and shrinks - the southern standard appears taller than the northern, although they are the same size as measured by the pole. The guide explains this is not just an illusion; the pole, as well as the people, actually grow and shrink as they move. But do they? Our first exhibit is a digital double exposure (3) of OfR president Josh Reese standing at both ends of this prime illusion. Note the south end of the House of Mystery behind the left-hand (shorter) Josh, and the covered viewing area behind the right-hand (taller) Josh.
People don't just stumble on the Oregon Vortex, they've already heard of it. They're watching for the signs along Interstate 5. They want to believe. And the tour guide's polished patter suggests, reinforces and directs every eye to the quite reliable - and completely explicable - effects lying within "the famous circular area."
The first impressive effect upon entering is an eight-foot concrete walkway where two tourists take their positions at either end, next to seven-foot wooden standards. The walkway is aligned to local magnetic north (2). The hill slopes to the south all around, while the trees, basically, don't stand upright. There's no view of any horizon, but a handy plumb bob on a wire chain indicates which way is up.
Then, as the two visitors, one on each end of the plank, exchange position, an apparently remarkable thing occurs: the person moving north to south seemingly grows, while the one moving south to north appears to shrink. Noticeably. The crowd is amazed.
The guide demonstrates the effect with a metal pole that also grows and shrinks - the southern standard appears taller than the northern, although they are the same size as measured by the pole. The guide explains this is not just an illusion; the pole, as well as the people, actually grow and shrink as they move. But do they? Our first exhibit is a digital double exposure (3) of OfR president Josh Reese standing at both ends of this prime illusion. Note the south end of the House of Mystery behind the left-hand (shorter) Josh, and the covered viewing area behind the right-hand (taller) Josh.
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