What a winning combination?
[5090] What a winning combination? - The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot. - #brainteasers #mastermind - Correct Answers: 34 - The first user who solved this task is Djordje Timotijevic
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What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 34
The first user who solved this task is Djordje Timotijevic.
#brainteasers #mastermind
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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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Smoking deterrent

In 1972, a smoking deterrent - a pseudo-cigarette package that produces simulated coughing sounds when the package is picked up - was issued a US patent to its inventor, Lewis R Toppel of Chicago, Illinois (No. 3,655,325). According to the patent abstract, "The simulated coughing noises are produced from a battery-driven disk recording played through a minature loudspeaker in the package. A unique actuating lever arrangement enables the almost instantaneous replaying of the record each time the package is moved." The patent described the production of the sound using a miniaturized record player - a disk, turntable with electric motor and tone arm to ride in the grooves of the disk and pick up vibrations from the disk. The invention was also suggested for use as an advertising novelty.«
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