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Jan Nordgreen
Attended University Of Oslo
Lives in Puerto del Carmen, Lanzarote, Spain
14,796 followers|451,000 views
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Jan Nordgreen

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Was it just a dream?

– The other day I had a wonderful dream!
– It is called day dreaming. Yes, it can be rather pleasant.
– I was dreaming about a parabola and a straight line.
– I sometimes dream of me and Paula Bola!
– Do you know what a parabola is?
– I have one in my garden.
– Its equation is ax^2 + bx + c.
– I don’t know. A friend gave it to me.
– And a straight line is dx + e.
– I love the alphabet!
– In my dream, see the image above, I saw a straight line that intersected a parabola only once!
– I don’t see anything.
– I followed the line upwards, but never did it cross the parabola again.
– Amazing!
– When I woke up I could not find a, b, c, d, and e.
– Did you look under your pillow.
– That’s the problem. I sleep without one.
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Lanzarote
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I am not afraid of chaos because chaos is the womb of light and life. What I don’t like is the mismanagement of chaos. – Frankétienne
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Este este video reciente?  Los chicos se ven contentos :)
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Have him in circles
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Jan Nordgreen

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At the captain’s table

-- Did I tell you about my last cruise?
– Just a finite number of times.
– We were eating at the captain’s table one night.
– How many in all?
– n, if I remember correctly.
– How many were liars?
– Less than half.
– Your task during the supper was to find one that told the truth?
– Exactly! How did you know?
– Let me guess that you could ask any guest about any other guest if they were liars or not.
– Yes, and the challenge was to find out using as few questions as possible.
– Couldn’t a liar give you wrong information?
– Yes, but he could also choose to tell the truth.
– How many questions did you need?

Problem source: Delightful Puzzles.

http://gurmeet.net/puzzles/-
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Muuuuy feo
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People
Have him in circles
14,796 people
Jeffrey Weaver's profile photo
John Moore's profile photo
Steven Elkington's profile photo
Mark Slusher's profile photo
Tyler Watts's profile photo
Jostein Pedersen's profile photo
Julius Piety's profile photo
Layna Oyervides's profile photo
Jiffy Orcutt Xuhua Jing's profile photo
Education
  • University Of Oslo
    Mathematics, Computer Science
  • University of Georgia
    Mathematics Education
Basic Information
Gender
Male
Looking for
Friends, Networking
Relationship
Married
Story
Tagline
I would like to be someone who would like to be me.
Introduction
George Polya, Imre Lakatos, and Søren Kierkegaard are some of my educational heroes.
Bragging rights
I have proven that Black does not always win in Go.
Work
Occupation
Learner and teacher of maths, ICT, patient problem solving, and tolerance.
Skills
12 Jul 2011 - very first post
Places
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
Puerto del Carmen, Lanzarote, Spain
Previously
Marbella, Spain - Fuengirola, Malaga, Spain - Puerto de La Cruz, Tenerife, Spain - Halden, Sarpsborg, Hornnes, Norway - Hauge i Dalane, Bjoneroa, Notodden, Norway - Athens, USA - Benalmadena, Los Boliches, Santa Cruz de Tenerife, Spain - Cooperstown, Freeport, Bahamas - George Town, Cayman Island - Tarija, Samaipata, Santa Cruz, Bolivia - Montpellier, France - Ban Chang, Rayong, Thailand