How many squares can you cou...
[1830] How many squares can you cou... - How many squares can you count in the given picture? - #brainteasers #math #riddles - Correct Answers: 115 - The first user who solved this task is Neelima Subrahmanyam
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How many squares can you cou...

How many squares can you count in the given picture?
Correct answers: 115
The first user who solved this task is Neelima Subrahmanyam.
#brainteasers #math #riddles
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A guy walks into a post office...

A guy walks into a post office one day to see a middle-aged, balding man standing at the counter methodically placing ''Love'' stamps on bright pink envelopes with hearts all over them. He then takes out a perfume bottle and starts spraying scent all over them. His curiosity gets the better of him and he goes up to the balding man and asks him what he is doing.
"I'm sending out 1,000 Valentine cards signed, 'Guess who?'"
"But why?'' asks the man.
"I'm a divorce lawyer."
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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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