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hazelm last won the day on June 8

hazelm had the most liked content!


About hazelm

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  • Birthday April 22

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    history, science, some mysteries, some scifi, historical fiction, almost anything. Reading is my pastime.

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  1. I bought a calculator that came with a zinc carbon battery, which I'd never heard of. I've read notes giving general explanation but they don't mean much to me since the notes use more "foreign" terms. Can someone tell more about zinc carbon batteries? I mean is there anything special I need to know? Also, when this battery dies, can I replace it with an alkaline battery? Thank you. hazel m
  2. hazelm

    Body Proteins

    I know about the proteins and their enzymes with all the work they do. My Question is "do scientists know exactly how many of these proteins there are?" I am wondering because they seem to have IDs. Maybe not all have IDs but I've read of several. For example, this morning I saw GPI1 and POU4F3
  3. There is no doubt that the changes in our culture started long before Covid but it didn't help. Also - what I think the article is getting at - they are showing that those who had not accepted and joined the new and changing culture felt even worse as they got shut down. This new culture is confusing enough without the sudden situation that none of us are used to. Every generation changes things and this latest was already drastic. Then came Covid. A double whammy.
  4. From Neuroscience News https://neurosciencenews.com/coronavirus-brain-16972/ Both interesting and helpful toward dealing with the problems.
  5. Yes, there is a place for rote. But, as you mention, process needs to come - I really believe - first. Just a good glimpse so the student realizes what it is he is memorizing. Skipping this is why so many don't get it. They never realize that multiplication is just a fast way of adding and division is nothing more than a fast way of subtracting. I do remember someone once telling me that learning the process made it unnecessary to memorize the tables. He/she was saying that they would automatically remember the combinations without ever going through the rote exercises. I could see t
  6. I am not sure I can agree with that, Thoth. Halfway up the "I'll try" scale are those who keep at it but end up doing a very mediocre job and no amount of more trying improves them. Each end: failure (giving it up) and success (fist class producer). No, if we all have given talents, then it stands to reason there are some things each of us cannot ever learn.
  7. Ah! Thank you, GAHD. Plasticity, of course. I seem to be analyzing the problem without considering the cause. Same as with the body. You can't cure (or learn to deal with) the problem if you do not know the cause. And that gets back to the doctor's (and my) complaint. We are bucking the trend and, as the doctor said, maybe it really is too late to"fix it". Should we even be thinking of fixing it? And I see that as my years advance. Early on, I had no trouble at all accepting what the next generation was doing. I actually defended them against complaints. Now? Don't even ask.
  8. I am hoping there is a teacher here. I have a question for teachers. I have been pondering the fact that young students take to the electronic technology with ease while older people struggle with it. Andy Rooney had a good answer for that. "The reason we elders have trouble learning new things is that our minds are already full of all the wonderful things we learned years ago." Very good. I do not think that is an alibi. Our memories are with us. Our brains are already working full time. However, there are also older people who take to this technology with relish and have no tro
  9. I used to argue with a doctor who felt the world was going to pot (and he did not mean the little green plant). I would tell him those of the sixties had straightened up and done great things. So would those with these new ideas. He would say "Not this time; it is too late.". I have now come to agree with him. This notion of turning ourselves into computer-controlled robots scares me. All I can say is thank goodness I will not be here in 2045. Pray that - as in Orwell's "1984" - you have a few renegades.
  10. I don't know, GAHD. Much as I respect your views, I go with Thoth on this one. Even parts of your posts seem to lean his way. Are we making robots of ourselves while we try to make humans of robots? And we lose much. The simple fun of learning and creating may not be the be all-end-all or our lives but do we want to give it up to a button plugged into our brains? That is not a big deal compared to other things you and Thoth are talking about but they are us. I do not really want to become a robot. And that is what we become with this implanted mini-computer plugged in. As in real li
  11. When will scientists learn to use fewer acronyms? https://www.sciencedaily.com/releases/2020/08/200814101704.htm The iproblem is not as simple as you might think. Even for scientists themselves, it has become an issue to talk about seriously.
  12. Heaven forbid. That's a rough road to travel. Let's just say I'm old enough to have learned a few things but still learning more just for fun.
  13. That is the first time I have read that in full, I think. The first two lines might have clued me in. We should send it to AARP who think old age begins in the 60s. Good grief! In my sixties I was still a young whippersnapper.
  14. Who created this? I like it. Thank you.
  15. If I and a friend each read this correctly - and I think we do - the elderly are not classed as adults. https://neurosciencenews.com/loneliness-age-16792/
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