How in the world is there still 24 bricks of chocolate in this gif after taking one away???

Question

I swear I've never been so angry in my life trying to figure something out, and I need it explained!

http://24.media.tumblr.com/80e14b7cae46a130316a9eaae191fe37/tumblr_mu37ihMjrI1rkp3avo1_400.gif

How can you have 24 bricks of white chocolate, then take one brick away and STILL have 24 bricks of which chocolate?! I'm going crazy. I will end up in a crazy house and it will be because of this gif and I will only mutter one thing for the rest of my life. "24 bricks of white chocolate on the wall... 24 bricks of chocolate... take one down... pass it around... and you still have 24 bricks of white chocolate on the wall..." This is so distressing.

So can anyone explain this gif to me please????

Anonymous · Accepted Answer

The trick is to look carefully along the first diagonal break. 
The "blocks" along that line in the rearranged figure are actually smaller than in the original. With time to look closely after they rearrange (think of how fast they cut away) you could check that each of those blocks is 1/4 smaller than an original block.

4 blocks each lost 1/4 their height so the area lost is 1 full block.

None · Answer

It's an illusion.

The bricks through which the cut goes are shorter when reassembled. Notice the jump in the image after the re-assembly. To see how it works for yourself, take a sheet of paper, or better, light cardboard and mark it off into a 4 x 6 grid. Then make the cuts and reassemble like the chocolate bricks.

Tom · Answer

Cute but an old puzzle. Draw a grid of squares, draw the lines, calculate their length and angles and you will see that the pieces don't fit exactly when re-arranged as shown.

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How in the world is there still 24 bricks of chocolate in this gif after taking one away???

3 Answers