Find the right combination
[3953] Find the right 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: 40 - The first user who solved this task is Thinh Ddh
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Find the right 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: 40
The first user who solved this task is Thinh Ddh.
#brainteasers #mastermind
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Pain reliever

A man went to the dental surgeon to have a tooth pulled. The dentist pulled out a freezing needle to numb the area.

"No way! No needles! I hate needles," the patient shouted.

The dentist started to hook up the laughing gas and the man again objected.

"I can't do the gas thing!” the man protested. “The thought of having a gas mask on is suffocating to me!"

The dentist then asked if the man had any objection to taking a pill.

"No," the patient said. "I am fine with pills."

The dentist said, "Here is a Viagra tablet."

The patient replied: "Wow! I didn't know Viagra works as a pain pill!"

"It doesn't," said the dentist, "but it will give you something to hold onto when I pull out your tooth."

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Edison patent

In 1876, Thomas A. Edison was issued three patents for "Duplex Telegraphs" (U.S. No. 178,221; -3). These were for "an Improvement in Duplex Telegraphs" which enable a transmitted signal be sent on the same wire that could be receiving a signal. In patent 178,222, Edison describes "A balanced battery is used for transmitting when the balance is disturbed. An electromagnet is used, through which both the received and transmitted pulsations pass, and the connections are made so that the action of the current sent is balanced, while that coming from the distant station is operative, to work a balanced relay and local circuit or sounder."
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