Essays on illusions

Corruption hurts life outcomes in a variety of ways. Economically, it diverts resources away from their most productive uses and acts like a regressive tax that supports the lifestyles of elites at the expense of everyone else. Corruption incentivises the best and the brightest to spend their time gaming the system, rather than innovating or creating new wealth. Politically, corruption undermines the legitimacy of political systems by giving elites alternative ways of holding onto power other than genuine democratic choice. It hurts the prospects of democracy when people perceive authoritarian governments to be performing better than corrupt democratic ones and undermines the reality of democratic choice.

There’s another 3-D demo towards the end of that, but with the rod behind the plank in a plane parallel to that of the plank – in other words, not receding from us diagonally into the distance, like the rod in my back yard demo.  In this post, I wanted to check that the receding rod made no difference, and to my eye, it doesn’t, and nor does changing the orientation of the plank. The Poggendorff misalignment does look less in the lower pair, but that’s just because the plank that gets in the way in the lower images is at an angle where it looks much thinner.  It’s well-known that the illusion gets stronger as the gap between the rod segments gets wider.

Essays on illusions

essays on illusions

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