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YOUR FRIDAY MATH with Mathematician KP Hart – Perfect Circles

Here’s Mathematician KP Hart’s Math Question and Answer for Friday, October 9th! Can you make a circle that is completely free from angles? Can you use nanotechnology to create a circle that has, at...

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YOUR MONDAY MATH with Mathematician KP Hart: Reversing Numbers

Here’s Mathematician KP Hart’s Math Question and Answer for Monday, October 12th! Is this known and is this useful: …? I noticed something: when you reverse a number in a square the outcome is reversed...

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YOUR FRIDAY MATH with Mathematician KP Hart: Sandwiches!

Here’s Mathematician KP Hart’s Math Question and Answer for Friday, October 16th! How many sandwiches are there in the world? Aneirin is 4 years old and is wondering about this now. This is a...

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YOUR MONDAY MATH with Mathematician KP Hart: The Barber Paradox

Here’s Mathematician KP Hart’s Math Question and Answer for Monday, October 19th! A barber shaves all men that do not shave themselves. Must he shave himself? Barber paradox shows the relativity of...

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YOUR FRIDAY MATH with Mathematician KP Hart: Counting DNA Profiles

Here’s Mathematician KP Hart’s Math Question and Answer for Friday, October 23rd! Is the number of combinations in DNA profiles finite? Is there a possibility – no matter how small – that some time in...

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YOUR MONDAY MATH with Mathematician KP Hart: Covering Distances

Here’s Mathematician KP Hart’s Math Question and Answer for Monday, October 26th! Covering distances Why can we cover a distance? If I want to go somewhere and that is, say, 100 kilometers, then I...

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YOUR MONDAY MATH with Mathematician KP Hart: A Flat Earth

Here’s Mathematician KP Hart’s Math Question and Answer for Monday, November 9th! A Flat Earth Suppose: The Earth would have been flat. Would you be able to see further in the distance from a higher...

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YOUR FRIDAY MATH with Mathematician KP Hart: NATURAL NUMBERS Part 1

Here’s Mathematician KP Hart’s Math Question and Answer for Friday, November 13th! What is a natural number? I The question has been posed explicitly here: “What are numbers?”. The answer that was...

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YOUR MONDAY MATH with Mathematician KP Hart: NATURAL NUMBERS Part 2

Here’s Mathematician KP Hart’s Math Question and Answer for Monday, November 16th! What is a natural number Part 2 In What is a natural number – Part 1?  we saw how Dedekind `created’ the natural...

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YOUR FRIDAY MATH with Mathematician KP Hart: NATURAL NUMBERS Part 3

Here’s Mathematician KP Hart’s Math Question and Answer for Friday, November 20th! What is a natural number? Part 3 We have seen two approaches to finding an answer to the question “What is a natural...

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YOUR MONDAY MATH with Mathematician KP Hart: TWELVE FINGERS

Here’s Mathematician KP Hart’s Math Question and Answer for Monday, November 23rd! Twelve Fingers What if we had twelve fingers and no decimal but a dozen-al system So ten becomes the new twelve, you...

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YOUR MONDAY MATH with Mathematician KP Hart: COUNTING, Part 1

Here’s Mathematician KP Hart’s Math Question and Answer for Monday, November 30th! Counting, Part 1 Mathematicians and other children enjoy, occasionally, to brag. Often the object is to trump the...

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YOUR FRIDAY MATH with Mathematician KP Hart: COUNTING, Part 2

Here’s Mathematician KP Hart’s Math Question and Answer for Friday, December 4th! Counting, Part 2 For Counting Part 1, click here. Today we will count the rational numbers. The rational numbers,...

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YOUR FRIDAY MATH with Mathematician KP Hart: COUNTING, Part 3

Here’s Mathematician KP Hart’s Math Question and Answer for Friday, December 18th! Counting, Part 3 For Counting Part 1, click here. Part 2, click here. On the 29th of November 1873 Georg Cantor wrote...

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YOUR MONDAY MATH with Mathematician KP Hart- Counting, Part 4

Here’s Mathematician KP Hart’s Math Question and Answer for Monday, December 21st! Counting, Part 4 For Counting Part 1, click here. Part 2, click here, Part 3, click here. We will look at the proof...

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YOUR MONDAY MATH with Mathematician KP Hart- Counting, Part 5

Here’s Mathematician KP Hart’s Math Question and Answer for Monday, December 28th! Counting, Part 5 For Counting Part 1, click here. Part 2, click here, Part 3, click here. Part 4, click here. In...

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YOUR MONDAY MATH with KP Hart: The Shape of the Earth

HAPPY NEW YEAR! Here’s Mathematician KP Hart’s Math Question and Answer for Monday, January 4th! This week’s question was posed in the Dutch Science Agenda: Is the Earth round or flat or oval? Or none...

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YOUR FRIDAY MATH with KP Hart – How Many People Will You Meet During Your Life?

Close Encounters Here’s Mathematician KP Hart’s Math Question and Answer for Friday, January 8th! How many different people will I meet during my life? In general: How many different people will a...

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YOUR MONDAY MATH with KP Hart: SAWING WOOD

Here’s Mathematician KP Hart’s Math Question and Answer for Monday, January 11th! What is wrong with the statement that something can stay divisible till infinity? To quote Walter de Rochebrune:...

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YOUR FRIDAY MATH with KP Hart – Well-Posed Sudoku Puzzles

Here’s Mathematician KP Hart’s Math Question and Answer for Friday, January 15th! Sudoku 9×9 9 rows, 9 columns and the 9 squares contain the numbers 1 through 9. The 9×9 Sudoku puzzles have a number...

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