How do you magnetise scrap iron? I put some magnets on a couple of radiators and noticed I have managed to get a some sleep recently. Now I want to overdo things if its possible.
Hopefully it might have some effect on the semi-permanent overcast/heat island effect in Stoke on Trent.
What is a pulse motor? I was looking at an electric pulse motor on Youtube and can't understand how it switches itself off and on as it goes round.
The current should be as continuous as the magnets and dynamics are, no?
My wife says that she counts backwards in sevens in order to go to sleep. She says it is also good practice for when she has to take the Mini Mental State Test. (It's a test for dementia, and that's one of the questions - start at 100 and count backwards in sevens.
Bizarrely, I can report from my test (N=1) that it works. I started at
100, 93, 86, etc, and before I got into the 50's I fell fast asleep until the morning.
I am 76 and never would be able to do that quickly even when younger after 93 it would take time consuming calculation subtracting each 7, maybe that is the idea.I hope they give tons of time in dementia test
I think different people (and so with different mind wiring) see things (like maths) differently.
In any of my school classes it was obvious there were always some who just 'saw' maths and could do mental arithmetic quickly and accurately to a level I would probably still struggle with on paper. ;-(
Familiarity with a specific range of numbers can also play a part, easily observed by watching people playing 301 darts (often whilst semi inebriated and in a pub and joking with their mates) and calculating 3 x 19 + 17 + 3 x 9 off 179 in the time it takes to walk to the scoreboard (WTF!).
But the people who could do that in my class weren't necessarily the ones building a rowing boat or rebuilding cars and engines and may not have been good at doing so, even if they tried?
I also think some of this comes down to memory. If you have a naturally good one and for those sorts of things (memory can be selective) then I guess it would be easier than for those who still don't know their own mobile number after 15+ years? ;-(
I would be crap at 'remembering' a vehicle registration number but I would likely spot (and remember) that the n/s/r tyre was soft and that there was a dent beside the o/s/r taillight.
I cannot do this even when I was 20, its probably because its bloody boring and pointless. No the real cure is to record thee Eurovision this weekend and put that on when you want to go to sleep. The bit is very good for this. Brian
Actually, my main way of going to sleep is to imagine I'm on a spacecraft heading away from earth, looking out from a rear facing camera, as the speed increases all the colours shift to the red end and the world gets smaller, and then disappears.
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