Vortex puts different slant on science

GOLD HILL, Ore., Oct. 31 - On a night with witches and goblins, explain how a broom stands on its end — by itself. Or how a ball rolls — uphill. This happens not just on Halloween but every day here at the Oregon Vortex, a place where people get taller and shorter as they move around. NBC’s Roger O’Neil reports.

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