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Optical Illusions
What is your brain telling your eyes?
![](https://static.wixstatic.com/media/0f9cf1_4e86f2fb1fbe4acb84437eb2a0338ea0.png/v1/fill/w_600,h_164,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/0f9cf1_4e86f2fb1fbe4acb84437eb2a0338ea0.png)
![](https://static.wixstatic.com/media/51069b387c80dd8dfd46d953d0573cc2.png/v1/fill/w_133,h_133,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/51069b387c80dd8dfd46d953d0573cc2.png)
![Full House](https://static.wixstatic.com/media/0f9cf1_d1fc47c845564821b590937b5ff88ac8.gif/v1/fill/w_258,h_376,al_c,pstr/0f9cf1_d1fc47c845564821b590937b5ff88ac8.gif)
Full House
Is the musician singing for houses or an audience of people?
![Rolling Pin](https://static.wixstatic.com/media/0f9cf1_c04874a93e334fe995cf18567130d96e.gif/v1/fill/w_564,h_401,al_c,pstr/0f9cf1_c04874a93e334fe995cf18567130d96e.gif)
Rolling Pin
This static graphic appears to roll as you move your eyes around the photograph.
![gr-4](https://static.wixstatic.com/media/0f9cf1_019b1bb871ce477f8da58ae0b17b9df0.jpg/v1/fill/w_443,h_438,al_c,q_80,enc_avif,quality_auto/0f9cf1_019b1bb871ce477f8da58ae0b17b9df0.jpg)
gr-4
![Full House](https://static.wixstatic.com/media/0f9cf1_d1fc47c845564821b590937b5ff88ac8.gif/v1/fill/w_258,h_376,al_c,pstr/0f9cf1_d1fc47c845564821b590937b5ff88ac8.gif)
Full House
Is the musician singing for houses or an audience of people?
1/15
![](https://static.wixstatic.com/media/291e4c1a4028445c5f04ef363e82eec3.png/v1/fill/w_151,h_151,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/291e4c1a4028445c5f04ef363e82eec3.png)
![](https://static.wixstatic.com/media/ec7a54dafe5cbeab6f73de99d0264c26.png/v1/fill/w_131,h_126,al_c,q_85,enc_avif,quality_auto/ec7a54dafe5cbeab6f73de99d0264c26.png)
![](https://static.wixstatic.com/media/23ade43bfe38490a992a41d21dd040a1.png/v1/fill/w_99,h_99,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/23ade43bfe38490a992a41d21dd040a1.png)
![](https://static.wixstatic.com/media/291e4c1a4028445c5f04ef363e82eec3.png/v1/fill/w_151,h_151,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/291e4c1a4028445c5f04ef363e82eec3.png)
![](https://static.wixstatic.com/media/8d13be_109d1dada6f444aab8e488b294fd4956.png/v1/fill/w_61,h_61,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/8d13be_109d1dada6f444aab8e488b294fd4956.png)
![](https://static.wixstatic.com/media/8d13be_4d169a632b0940c2a8a0ac7c157c1377.gif/v1/fill/w_61,h_61,al_c,usm_0.66_1.00_0.01,pstr/8d13be_4d169a632b0940c2a8a0ac7c157c1377.gif)
![](https://static.wixstatic.com/media/8d13be_4d169a632b0940c2a8a0ac7c157c1377.gif/v1/fill/w_61,h_61,al_c,usm_0.66_1.00_0.01,pstr/8d13be_4d169a632b0940c2a8a0ac7c157c1377.gif)
Illusion Facts
![](https://static.wixstatic.com/media/153018d185af4065bbeac2137b576b7f.png/v1/fill/w_453,h_453,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/153018d185af4065bbeac2137b576b7f.png)
![](https://static.wixstatic.com/media/0f9cf1_4a6484528aa74e0186008f2a9074b384.png/v1/fill/w_93,h_93,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/0f9cf1_4a6484528aa74e0186008f2a9074b384.png)
![](https://static.wixstatic.com/media/0f9cf1_8424b9239e87405cacab9d7a2978c368.png/v1/fill/w_90,h_83,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/0f9cf1_8424b9239e87405cacab9d7a2978c368.png)
Dear Friend,
I'm hoping you are well, as am I. Recently, we discovered some research on dogs that I think you would find interesting.
Thinking of You,
Pavlov
![](https://static.wixstatic.com/media/0f9cf1_4519ad55b99b486c9efec6605ac9ad2c.png/v1/fill/w_278,h_36,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/0f9cf1_4519ad55b99b486c9efec6605ac9ad2c.png)
![](https://static.wixstatic.com/media/93d5fa099c014373b8049ca7906a14d7.png/v1/fill/w_94,h_92,al_c,q_85,enc_avif,quality_auto/93d5fa099c014373b8049ca7906a14d7.png)
![](https://static.wixstatic.com/media/98658fe795696b7145cb3a5faba256fb.png/v1/fill/w_228,h_147,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/98658fe795696b7145cb3a5faba256fb.png)
![](https://static.wixstatic.com/media/0f9cf1_a0054598a43f40989bab31fe8fffaa86.png/v1/fill/w_134,h_134,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/0f9cf1_a0054598a43f40989bab31fe8fffaa86.png)
![](https://static.wixstatic.com/media/588ad71353ae60c7875c7c5f69d492da.png/v1/fill/w_132,h_172,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/588ad71353ae60c7875c7c5f69d492da.png)
![](https://static.wixstatic.com/media/ab3a023e6d0a45bba285728d1487cc99.png/v1/fill/w_181,h_181,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/ab3a023e6d0a45bba285728d1487cc99.png)
The history of optical illusions can be traced back to the 5th century B.C.
You can see proof of this in early Greek architecture. The slanting structures of their columns and arches were inspired by the great philosophers that discovered the phenomenon of optical illusions.
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