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originally posted by: sputniksteve
I am really happy to hear that you are still cruising along dude. Are you still writing lately? I haven't been able to for a year at least. I know we discussed privately but I also kind of hinted toward things here, but I started divorce proceedings last year. Things have just been a struggle since, but I don't complain in order to get any pity. Even though I believe it was the best thing for everyone involved it is difficult to cope with the loss of a certain life and everything that came with it. I went from having a very stagnant personal life involving only reading/discussing/working/dad'ing to trying to monumentally changing all of that personal life which left no room for these types of topics unfortunately. I wish I was able to balance these things with real life but it is hard for me to compartmentalize some things. I have been a little sedentary the last few months but feeling much better recently. While I have always enjoyed solitude and have always been able to entertain myself, I am also realizing that being alone with me is not conducive to healthiness lol. I will try my best to keep organized this week and write you in email.
originally posted by: sputniksteve
I am very interested in reading about the BBC computer switches, as well as the addendum. I wasn't aware of the addendum at all and now need to see it! Anything you can share by link would be awesome, but ill make a note to look for myself as well.
Modern CPU transistors are very energy efficient. When they get their full voltage and current, they are on and the binary value is considered 1. When power is removed, they drop all that energy to ground and give a binary value of 0 because there is literally no voltage or current present.
This is NOT true of very old CPUs like the original 6502. The transistors in these always hold a small amount of current so they are always using power, even when the CPU is doing nothing. In addition, they register a binary 1 or 0 (depending on the logic used by the designer) when fully powered and the opposite value WHEN THE POWER FALLS TO SOME VALUE BELOW FULLY ON. This meant they were electrically noisy, prone to binary errors that needed correcting and were thus not as fast as they could be. In addition they could be effected by exterior electrical noise and cause interference in other electrical devices. In a very simplistic way, this makes these old CPUs very much like a radio transmitter/receiver that operates at a very high frequency.
originally posted by: sputniksteve
One message that was left in chalk on a wall I believe which I have never seen mentioned before caught my interest, although there is no supposed author that I could tell."The eyes are open yet nothing do you see-the grey retarding mass is your convict- quietly, alone he sits in the dark- waiting for sentence to be passed and demanding through the eyes of the blind- of unspoken questions to answers of ethereal-the soul- he is the traveller- chain nor bar can hold him to frail flesh- here is the ruler of time and space -Here is your God" (note the hyphens are for the weird structure of the actual writing, it wasn't complete sentences and spatially written strange)