What is hidden in the photo?
[2715] What is hidden in the photo? - What is hidden in the photo? - #brainteasers #riddles - Correct Answers: 66 - The first user who solved this task is Donya Sayah30
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What is hidden in the photo?

What is hidden in the photo?
Correct answers: 66
The first user who solved this task is Donya Sayah30.
#brainteasers #riddles
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Back-Up Sensor

Inventor of the automobile back-up Sensor -
I bet you think it was Ford, maybe GM, how about Chrysler? No, then how about Mercedes Benz?
No, not at all, it was a Chinese farmer!
Most of the newest cars have a Back-Up Sensor that warns the driver before the rear bumper actually comes in contact with something. Most people probably think that this valuable feature came out of the minds of great engineers, but it was recently disclosed that the concept was first developed by a Chinese farmer. His invention was simple and effective. It emits a high-pitched squeal when the vehicle backs into something.

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Eugene Lindsay Opie

Born 5 Jul 1873; died 12 Mar 1971 at age 97.American pathologist who conducted important research on the causes, transmission, and diagnosis of tuberculosis and on immunization against the disease. Opie published on malaria research and the causes of diabetes. He demonstrated that the islets of Langerhans were involved in the development of diabetes in humans and identified two forms of parasite (hyaline and granular) in crow malaria. Later, he embarked on research in immunology and carcinogenesis, the development of obstruction of the pancreatic duct, and tuberculosis. He remained active in research well into his nineties.
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