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Quote from: coppercone2 on April 13, 2024, 08:09:31 amhere is some interesting math about the tritium keychainhttps://www.gammaspectacular.com/phpBB3/viewtopic.php?t=889the skin exposure divided by area is interesting to me. thats a big numberBut if you lose a hand due to this, you always have your teeth to make up for it.
here is some interesting math about the tritium keychainhttps://www.gammaspectacular.com/phpBB3/viewtopic.php?t=889the skin exposure divided by area is interesting to me. thats a big number
If 2.7mS/y is for whole body exposure to background radiation and the odd higher source like a medical x-ray maybe we can assume that the entire area of the skin is exposed to this amount on average, so we can find the average exposure of 1cm of skin as follows:
Keithley 2400 broken as does not power on.So hopefully it is a simple fix.Will arrive next week Benno
Keithley 2510, there is a hole in the dilapidated front panel, but it still works fine.Its main circuit board is different from the one in @Tin’s post many years ago. I will take some high-definition pictures later.
Some Wima MKP capacitors, back in the 1990s, when I was young, they were the most famous audiophile capacitors in China.
For the not too young a 5 1/4" floppy disc would have been a good size reference
A Pickett N500-ES slide rule