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User: Giszmo

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  1. The 100 Monks (not easy) on Your Favorite Math/Logic Riddles? · · Score: 1

    Once a traveler got into terrible weather and seeked shelter at a monastery with high walls and a heavy gate. He knocked, but no reaction. He tried and tried till finally he was granted access only under the condition, he would never talk to anybody nore stare into peoples faces and leave the monastery early the next day.

    Well, Mr. Traveler was a stupid dumbass and while sitting at the table for supper, he asked loudly: "WHY DO AT LEAST TWO OF YOU HAVE SPOTS ON YOUR FOREHEAD?"

    The 100 monks were not happy at all and one explained to him:
    "We know that some of us might have spots on their forehead. That's the reason why we don't have mirrors here and don't speak a word. If we get to know to have a spot, we die the very next night." ...

    42 days later, all the monks with spots die. How many are they?

    (The monks see all others at supper every day and thus know if one is missing. They will not stop that habit now. Ignoring the facts or stop thinking does not help them. A monk either has a spot or not. They don't disapear.)

  2. Re:Fusion sounds nice, but... on Yet Another Method Of Achieving Nuclear Fusion · · Score: 1

    One should always question new technologies but in the case of nuclear fusion the way it will most likely produce energy [1] the propability the benefits [2] exceed the down-sides [3] ist very high.
    To compare He with CO2 is nonsens as the amount of He produced in this process is factor 1M smaller than there would be CO2 produced for the same amount of electric power.
    I do agree that we should save our resources. Thats because this real clean energy will most likely not be widely spread within our lifetime.

    [1] see http://www.iter.org/, JET, ASDEX upgrade (http://www.ipp.mpg.de/eng/for/projekte/asdex/for_ proj_asdex.html), WENDELSTEIN 7X and similar fusion-experiments

    [2] evenly distributed resources, small amounts of waste, practically no way to burn through, neutrallity to global warming

    [3] radioactive waste such as the concrete of the hull, very expensive to build and no perspective to scale it down also leading to losses due to transport and last but not least: we still don't know, if it is manageable to build a plant that actually runs with profit within this century