Replace the question mark with a number
[4069] Replace the question mark with a number - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 129 - The first user who solved this task is Thinh Ddh
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 129
The first user who solved this task is Thinh Ddh.
#brainteasers #math #riddles
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You are not getting divorced!

An old man calls his son and says, "Listen, your mother and I are getting divorced. Forty-five years of misery is long enough."

"Dad, what are you talking about?" the son screams.

“We can't stand the sight of each other any longer,” he says. "I'm sick of her face, and I'm sick of talking about this, so call your sister and tell her," and he hangs up.

Now, the son is worried. He calls his sister. She says, "Like hell they’re getting divorced!" She calls their father immediately. "You’re not getting divorced! Don't do another thing. The two of us are flying home tomorrow to talk about this. Until then, don't call a lawyer, and don't file papers. DO YOU HEAR ME?” She hangs up the phone.

The old man turns to his wife and says, "Okay, they’re both coming for Christmas and paying their own airfares.

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Brain signals control robot

In 1999, the first demonstration of brain signals from live rat directly controlling a robot arm was published by Nature Neuroscience. The research was hailed as a breakthrough by other scientists working to combine computing with biology. Researchers from MCP Hahnemann University medical school and Duke University taught laboratory rats to operate a water-dispensing robot by thought alone. Their aim is to restore movement to patients who are paralyzed or have had limbs amputated. At first, the robot was controlled by the rat pressing a lever and researchers identified the corresponding brain activity. Then the robot was linked to a computer interpreting the rats' brain signals. The rats gained water merely by thinking about pawing the lever.
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