What hides this stereogram?
[4351] What hides this stereogram? - Stereogram - 3D Image - #brainteasers #stereogram #3Dimage
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What hides this stereogram?

Stereogram - 3D Image
#brainteasers #stereogram #3Dimage
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Because of an ear infection, L...

Because of an ear infection, Little Johnny, had to go to the pediatrician. The doctor directed his comments and questions to Little Johnny in a professional manner. When he asked Little Johnny, "Is there anything you are allergic to?" Little Johnny nodded and whispered in his ear. Smiling, the pediatrician wrote out a prescription and handed it to Little Johnny's mother. She tucked it into her purse without looking at it.
As the pharmacist filled the order, he remarked on the unusual food- drug interaction Little Johnny must have. Little Johnny's mother looked puzzled until he showed her the label on the bottle. As per the doctor's instructions, it read, "Do not take with broccoli."
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Traffic signal

In 1909, Thomas M. Flaherty filed for a U.S. patent, with an idea for a "Signal for Crossings" This was the first U.S. application for a traffic signal design, later issued as No. 991,964 on 9 May 1911. His signal used a large horizontal arrow pivoted on a post, which turned to indicate the right of way direction. It could be activated by an electric solenoid by a policeman beside the road. Although filed first, it was not the first patent actually issued for a traffic signal. Ernest E. Sirrine filed a different design seven months after Flaherty, but his patent was issued earlier, and thus he held the first U.S. patent for a "Street Traffic System" (No. 976,939 on 29 Nov 1910).
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