Ig Nobel Prize Winner Higashiyama Atsuki and the “Between-Legs Effect” Mystery

The Ig Nobel Prize clock with a leap-second hand. (© Power News)

The 10 trillion Zimbabwe dollar note that Higashiyama received as prize money. (© Power News)

Higashiyama demonstrating between-the-legs viewing. (© Power News)

The vertical and horizontal bars are of the same length, but the horizontal-vertical illusion makes the vertical bar look 1.4 times longer.

Between-the-legs viewing at Amanohashidate. (🄫 Pixta)

The Ig Nobel Prize certificate presented to Higashiyama. (Courtesy of Higashiyama Atsuki)

Professor Emeritus Higashiyama Atsuki. (© Power News)