Schlagwort-Archiv: Rechnen

Ganz nicht verstanden.

None of the students seemed concerned that 1/3 + 1/3, as Addison had written, seemed to produce the same answer as 1/6 + 1/6, as I had written. Now I was breaking out into a sweat.

Marilyn Burns: Can 1/3 + 1/3 = 2/6? It seemed so!


The GDP rises whenever money changes hands. When families break down and children require foster care, the GDP grows, but not so when parents successfully care for their children. People who max out their credit cards buying things they don’t need make the GDP look good. People who save their money and live sensibly don’t. Seen through such a lens, the most economically productive people are cancer patients in the midst of getting a divorce. Healthy people in happy marriages, in contrast, are economically invisible, and all the more so if they cook at home, walk to work, grow food in a home garden, and don’t smoke.

John Robbins: What is Real Wealth?
(yes! magazine 2010-8-31)


Anything that grows multiplicatively grows faster (all else being equal) when pooling and sharing reduces fluctuations.

Marc Elsberg: Farmers Fable,
animated at


The volume of the unit -sphere goes to 0 as grows! A high dimensional unit sphere encloses almost no volume! The volume increases from dimensions one to five, but begins decreasing rapidly toward 0 after dimension six.

Marc Khoury: Counterintuitive Properties of High Dimensional Space

Huge Hanabi.

[...] the different configurations of the cards already give a magnitude of different states of the game [...]

Mark van den Bergh: Hanabi, a co-operative game of fireworks.

Fragen Dass..?

Nichts gegen eine positive Darstellung von Mathe/Informatik im Fernsehen, aber ...

... warum muss das alles pink sein?

... seit wann müssen wir siebenjährige auf den Arm nehmen?

... und warum bekommt sie ausgerechnet Schuhe?