Johnsjar Post Calendar
Amazing Science
- Introduction to Logic and Arguments How to develop critical thinking skills. Probably the most important thing you will ever do!
- Logical Fallacies Errors in thinking described and explained.
- Richard Dawkins A web site for Science and Reason and for Clear Thinking.
- Talk Origins A web site devoted to presenting the evidence for evolution and the lack of evidence for creationism.
Friends:
Useful Information
- Calorie Calculator How many did you burn?
- Nutritional Tools Do you know what you are eating?
- Pace Calculator
- Penguin Runners A get fit by running support group.
- Stretching Flexibilty and stretching
Videos
Daily Archives: Saturday, December 15, 2007
How can alien spacecraft break the sound barrier without a sonic boom?
One way is to take the air molecules away from the spacecraft structure facing the direction of travel and put those air molecules behind the structure in the space just vacated thus preventing pressure waves from happening. This has to happen very fast, as fast as the spacecraft wants to travel. How do you get those air molecules away from the path of the craft and put them behind the craft in the vacuum created by the wake? Good question. I’d like to tell you but then I’d have to kill you, ha ha. Actually there is a way. I know this because such craft regularly break the sound barrier without a sonic boom. In fact, I do not recall ever hearing about so much as a breeze caused by the movement of these things. And most are utterly silent. No engine noise, no, not so much as a rustled … Continue reading
Posted in Science Friction, UFO
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An appeal for you to use proper English grammar…
I do not pretend to be an expert on English grammar, but I try to follow the rules. Here are 6 quotes from random comments in YouTube. I chose these at random and I have to say that based on the sample of videos I have watched (and that is a lot) that this is typical of the standard of English language used. You can usually tell which comments have been made by non English speaking persons and I have tried to avoid quoting or complaining about those except for example 6 which comes from a person whose first language is not English. In these quotes, I have neither added nor taken away anything. The actual content and context is not important. 1. hey maby think about a hear cut , or just something diferent then you could get a job at mc. donalds lol 2. yes, people are so … Continue reading
Posted in WTF?
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Karate 19
We sure didn’t feel like going to class this morning. I am glad I went, as usual. I am a bit disappointed that we did not review our katas 7 and 8 but instead we learned the black belt kata Ju Roku. When I say “learned” I mean we muddled through it a few times. I did not learn it at all, and neither did the other yellow belts. Then we sparred with black belts. I am getting better at that. Our last class is next Tuesday, then we break for the holiday. We begin again the first Saturday in January. My arthritic big toe joint in my right foot is really holding me back. I have got to find a way to tape it up for classes. Without support, I can’t kick because the whiplash effect hurts a lot. I can’t do a proper cat stance because of it. … Continue reading
Posted in Karate, Training Notes
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