00:00Research shows that only two types of people can remove this metal bar in one try.
00:05Geniuses with an IQ over 150 and kids under 15.
00:09Most people think it comes out this way.
00:11If you do too, you're quite smart.
00:14Indeed, starting from the middle and following the track to the exit,
00:18you'll find it stuck.
00:20Can you think of another way?
00:23At this point, 99% of people give up,
00:26thinking it's impossible to remove the bar.
00:30This is where reverse thinking comes into play.
00:33If kids have practiced this, they might switch hands, lift the bar,
00:37follow the path to the bend, and reverse the direction.
00:41Going up through the ring and then down through the middle track,
00:44the bar comes out easily.
00:46Does this deserve some applause?
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