Which is a winning combination of digits?
[1776] Which is a winning combination of digits? - 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: 76 - The first user who solved this task is Sanja Šabović
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Which is a winning combination of digits?

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: 76
The first user who solved this task is Sanja Šabović.
#brainteasers #mastermind
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Playing house...

A couple of young children are at day care one day when one of the little girls approaches Tommy and says, "Hey, Tommy, wanna play house?"

"Sure! What do you want me to do?" he asks.

The little girl replies, "I want you to communicate your feelings."

"Communicate my feelings?" questions a bewildered Tommy. "I have no idea what that means..."

The little girl smirks and says, "Perfect. You can be the husband."

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Invention of navigation by satellite

In 1957, two Johns Hopkins University Applied Physics Laboratory scientists tracking Sputnik found they could determine its orbit by analyzing the Doppler shift of its radio signals during a single pass. They conjectured that if a satellite's position were known and predictable, then the Doppler shift of its signals could be used to locate a receiver on Earth - thus, one could navigate by satellite. A system called Transit, was developed and from 1964 assisted the security of U.S. nuclear deterrent submarines. From 1967, this evolved into a navigation system for all nations, a forerunner of the present Global Positioning System (GPS). Transit also made key contributions to space science and technology, geodesy and health.*[Image: Transit 1B satellite]
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