Dreams

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Dreams are weird things. I’m not sure if anyone has figured out exactly why we dream although it seems to have something to do with the brain sifting through things for some reason and if you aren’t permitted to dream, it can result in some serious problems. But I don’t want to talk about why we dream. I want to talk about what we dream.

I don’t run around asking people what they dream while they’re sleeping because that would be, frankly, odd and a bit creepy. But occasionally people have offered up brief descriptions of their dreams and they are almost universally far, far different from mine.

People seem to often share similar situations in dreams. Finding yourself back in high school, walking down the hallway, and you suddenly realize you aren’t wearing pants seems to be a theme that is fairly popular. Some people have genuine nightmares. They’re being chased by monsters of various interesting types. One fellow told me he dreamt he was being eaten, from the feet up, by a zombie unicorn. I thought that was a bit odd, but I let it go because he’s a rather odd fellow to begin with.

Some people have erotic dreams, sometimes rather intense and realistic ones, involving prominent celebrities and things like chocolate syrup and a very rude banana.

What about me? Certainly I dream as well but… But to be perfectly frank I think there’s something broken. Let me give you some illustrations.

The other night I dreamed I had to go to my wife’s sister’s place to feed her dog, Dash. I didn’t mind because Dash and I are great buddies and he likes nothing better than to sit on my lap and slobber over me. So I got in the car, drove out to her farm, took Dash out to go potty, gave him food and fresh water, and drove home. And…

And that was it. That was the whole dream.

Or there was the time I had a particularly vivid dream of painting the garage. I was out there on a nice Saturday afternoon, dipping the brush in the paint can, applying the paint, repeat and… And that was it. That was the whole dream. Painting the garage. It was so utterly boring that I think I bored myself awake somewhere in the middle of it just as I ran out of paint.

Then there was the dream where I went shopping. (Ooo0, the excitement!) I went down to Walmart, picked up a few things, pushed the cart down through the grocery aisles. They were out of my favorite brand of mustard but that was okay because they had another that I like so I got that instead.

Those are just a few examples of how utterly dull my dreams are. Other people get man eating unicorns, monsters, sex dreams with B list celebrities, etc. Me? I paint the garage.

I’ve stopped telling MrsGF about them because her eyes sort of glaze over and midway through she sort of wanders away. Don’t blame her.

One fellow I know tells me that what’s happening to me is not dreaming at all. He claims that we live in a multiverse, an endlessly repeating series of universes, each one just slightly different from the other. According to his theory, what’s happening is that while I’m sleeping I am really mentally connecting with other versions of me, living in other universes, and that in all possible universes I am just as boring as I am in this one. But since he also picks wild mushrooms that he finds growing near the nuke plant north of Two Rivers I tend to just nod and mumble and then point and cry out “Look! A duck!” and then run away while he’s distracted when he gets like that.

Now I am trying desperately to come up with some pithy, witty conclusion to this rambling nonsense and I’m having problems doing so, so let’s try this…

Look! A Duck!

….

Equipment Review: Want to Conquer the World? First You Need A Variable DC Power Supply!

So, Mr. (or Ms.) mad scientist, you’ve finished work on your Nuclear Confabulator Disinto Beam 3000 Mark IX at last! You’re all set to begin your conquest of the world, and you go to power up your NCDB3 to bring the world to its knees and…

Oh, $#%@&&@! The damned thing needs 17.3 V DC to run and you don’t have a 17.3 V power supply. Grrrr… Wait, you think. All is not lost yet! You sort of remember you had an old 17V power supply from an old fax machine that you kept because it might come in handy someday. (Us mad scientists never throw anything away. Never know when it might come in handy.)

I really do have a Giant Box ‘O Cables®. Need an MFM hard drive cable? I got ’em. Need a SCSI cable? Got them too. Old parallel printer cable? Yep. Yes. I am ashamed. Also afraid the family will start an “intervention” one of these days. I think there’s a US Robotics 1200 baud modem in there somewhere, too. I wouldn’t know, though, because I wouldn’t touch that thing with a ten foot pole. Afraid I’d lose my hand if I started digging around in there. Might be things living in there.

Now if you can just find the thing… Oh, wait, it must be in your Giant Box ‘O Cables®! You dig it out of the closet and eye it suspiciously. There’s no way you’re going to dig through that mess. And you can’t have one of your minions do it because your last minion left a week ago because you had to eliminate free coffee in the break room because, well, world domination costs money and you needed to cut back somewhere. Wait, did something just move in there? Eeek! Run and hide! It’s alive!

See? This is why you need a variable DC power supply on your workbench.

Long ago I got tired of fiddling around trying to find wallwarts, building battery packs or messing with transformers and rectifiers and all that nonsense to power some of the junk that comes through the doors here or that I tinker with myself. When you’re messing around building something, especially something that might not actually work anyway (i.e. most of my projects), you don’t want to go through all the trouble and expense of building or buying a power supply just for that one gadget. So I’ve had variable DC power supplies for a long time, and since my last one sort of … Well, it didn’t actually start on fire. I mean there weren’t actually any flames or anything. But it sure did smell funny.

So off I went scrounging around for a new one and eventually I ended up with this.

Should I confess that the first thing I did was immediately lose the damned manual for this thing? This is embarrassing, but yeah, I did. I remember that there was one. I remember taking it out of the box and setting it down somewhere. And when I turned around to pick it up and read it, it was gone. I think my house is haunted.

This puppy set me back about $60. It’s made in China… Well, just about everything is made in China these days, isn’t it? There are cheaper ones on the market, but with a lot of those the reviewers were, well, let’s just say the reviews were less than kind and leave it at that, shall we? The reviews for this one were pretty good, although you can’t believe that any more, either, because there are services out there which will, for a fee (of course) provide you with positive reviews for your products on just about any social media or sales site.

To be honest, I wasn’t sure what to expect from this thing. You can spend, heck, over $1,500 on a variable DC power supply depending on the quality, amperage and features you want or need, or as little as $30 or $40. So for a $60 power supply I would have been satisfied it was at least reasonably close to the voltage it indicated, and didn’t produce so much ripple that it looked like a roller coaster when I put it on the ‘scope. And not start on fire when I plugged it in and turned it on. Important, that. Not starting on fire I mean. One of the main questions you should ask is “How often does it start on fire?”

Let’s talk about power in general for a minute. If you already know all this stuff, just skip over this the following paragraph because you’ll find it boring. But there are people who don’t know, so let me give a very simplistic explanation of what’s going on.

We work with two entirely different forms of power. Both are electricity, yes, but the two systems, DC and AC, have entirely different qualities and uses. AC (alternating current) is fine for sending power long distances over power lines, running motors (some of them) and things like that, but for powering electronics, it sucks. Alternating current, well, alternates. DC doesn’t. And most electronics wants DC, not AC. That means almost all electronic devices that plug into your wall socket will have some kind of power supply which converts that 120V AC into a much lower voltage direct current which is fed to your device. Once upon a time this was done with bulky and heavy transformers, diodes and capacitors which took the AC, stepped it down to a lower voltage, and filtered out the sine waves, flattened out the curves, etc. and produced a constant DC voltage. Nowadays it’s mostly done with semiconductors and other lightweight components, but depending on the application you can still sometimes find equipment that uses the old transformer type systems.

So, back to the review of the Kuman.

As you can see from the photo it’s a nice looking little unit. It’s very light. I don’t think it weighs more than a pound or two. Fit and finish is nice. According to the specs it can put out up to 30V DC and handle amperages up to 5A. I plugged it in and hit the power button and…

Well, nothing happened. Uh ??? Oh, great. Was it DOA? I hit the power button a few more times and the display lighted up at last. I’m not sure what was going on there. That was the only time that happened, so I suspect there was some kind of coating or contamination on the contacts in the switch that wore off after I worked the button a few times. It’s worked every time since then.

It’s Alive!

I suppose the first thing I should have done was hook it to the VOM to make sure it was putting out power reasonable close to what the display claimed it was, but me being me, I just set it for 5V and plugged my clock kit into it and it worked just fine and dandy.

Then I thought oh, wait a minute, maybe I should check this thing out before I actually use it to try powering something expensive, so I got out the meter and hooked that up to it.

Voltages were within 0.01V or better across the entire range. Oh, I should point out that the Current knob doesn’t change the current it puts out, it limits it to a specific value. So you can set it to limit itself to only, oh, 1 Amp, let’s say if you want to do that for some reason. The voltage knob does indeed change the voltage. The knobs are a bit on the stiff side, but not enough to be a real issue.

The voltage tests were very good. According to my Fluke the voltage of the PS was generally within 0.01V or better across the entire range that the PS puts out.

Next it was time to hook the oscilloscope to it and see how bad the ripple was.

Ah, what is ripple, you ask? Well, okay, you didn’t ask but I’m going to tell you anyway. To explain that we have to go back to the difference between AC and DC again. If you want a detailed explanation you can scoot over to Wikipedia and read this, or if you can’t be bothered, well, I don’t blame you because it’s boring unless you’re into electronics.

AC current, the stuff that comes out of the plug in your wall, is a sine wave. Which is shown in this little graphic over there on the right that I just stole borrowed from Wikipedia. The red line shows how the AC current alternates over time, going from positive to negative, and doing so at about 60 cycles per second, or 60 Hertz. But as I said before, most electronics doesn’t like AC current and wants to be fed DC. Your electronics don’t want that current cycling from plus to minus like that, it wants a nice, flat line that doesn’t alternate at all.

Ripple.

So, to see how good a DC power supply is, you need to look at the voltages it is producing and how it changes over a period of time, like plotting it on a graph. And that is exactly what an oscilloscope does, measure voltages over time and plotting it on the display (graph). What you want to see on the scope is a flat line, not something like, well, this over there on the left.

So I hooked it up to my scope and this is what I got

And, well, that’s not bad at all, really. In fact, that’s a hell of a lot better than I expected it would be. The PS was set to 4V. You’ll see in the lower left corner than I have the scope set so each division is 2V, the line is two divisions up from center, so that’s spot on 4V. And the line itself is pretty much smooth.

Well, you see a tiny bit of hash. The line isn’t perfectly smooth. But I zoomed in farther and fiddled with the timing and other technical stuff that would bore you to tears (it did me) and found out that while there is a tiny, tiny bit of ripple, that hash you see on that line works out to a deviation of about 0.0014 volts. And while some purists might be irritated by that, out here in the real world where I live that’s pretty darned good, especially for a sixty buck power supply, and isn’t going to be an issue for anything I’d use this PS with.

So, let me wrap this up because I’ve been babbling along here long enough.

For $66 this is a nice little power supply. Well made, attractive, small, light weight, handles 0 – 30V, and up to a little over 5 Amps. Calibration of the display is spot on according to my meter. And as for ripple, that’s down to around 0.001V which is pretty good for a PS in this price range.

And – you can’t get it any more. At least not off Amazon where I got this one. Sigh… It’s listed as unavailable now. I have seen it available from other vendors, though. And I’ve seen units that look exactly the same except for the brand name on Amazon. But watch out because this same PS, although with a different brand name on it, is going for nearly $100 and you can get it for at least $30 cheaper than that if you shop around.

The CEO of Soylent Is Enraging LA by Throwing Parties in a Shipping Container | MUNCHIES

The CEO of Soylent has run into trouble with the city of LA over his sustainable living experiment.

Source: The CEO of Soylent Is Enraging LA by Throwing Parties in a Shipping Container | MUNCHIES

If you aren’t familiar with Soylent and it’s more than a little irritating CEO, Rhinehart, let me give you the background.

Soylent Green was a 1973 movie starring Charlton Heston about a dystopian future where the world suffers from out of control over population, horrific environmental pollution, dying oceans and a seriously degraded climate due to climate change. Abject poverty is the norm. Housing is so bad a dozen or more people can be crammed into a single room. You know, sort of what like the “small house” movement wants to do to us, only they’re trying to make us think we want to do it.

Oh, dear, I just realized something. Horrific environmental pollution, dying oceans, seriously degraded climate, housing so bad a dozen people are crammed into a single room… Sort of like, well, what’s going on right now, isn’t it?

Never mind…

The movie was named after a food product, Soylent Green, which is the primary food source, often the only food source, for the vast majority of the population. Heston is basically a drone, an unthinking cop, an enforcer for the government/big corporations, mindlessly following orders and committing what are just flat out atrocities, all in the name of keeping the ‘peace’, including one horrific scene where they deal with a riot by bringing in huge armored garbage trucks and simply scooping up the protestors, dumping them into the back of the trucks, and presumably, well, squeezing them like garbage.

A key element in this new culture is death, and the promotion of death. Basically trying to talk people into committing suicide voluntarily in the hopes of attaining some kind of peaceful, more pleasant afterlife (I think — it’s been decades since I saw the thing).

The kicker to the whole story is that Heston’s character discovers that Soylent is made from people. Presumably the people the friendly government has been scooping up in garbage trucks and talking into offing themselves in pleasant, luxurious government operated death palaces.

Anyway, the new Soylent is all about food, as in not having to actually eat any. Seriously.

Rhinehart, well, apparently he doesn’t like to eat. (I say ‘apparently’ because I don’t really know. Never met the guy. While he’s probably a nice person, doesn’t kick stray dogs, doesn’t yell at the hired help too much and all that good stuff.) He seems to think eating, cooking and all that fun stuff that normal people like you and I enjoy, even relish, is evil. Total waste of time. He thinks everyone should just gulp down this green goo he calls Soylent a couple of times a day, and you’re good to go. This way you don’t have to cook, don’t have to go through all the hassle of, well, what he thinks are stupid things like enjoying time with your friends over dinner, and eating really tasty food.

The green goo (i.e. Soylent) is, he claims, supposed to supply everything you need to survive, all crammed into a drink a bit smaller than a Big Gulp.

Now as silly as this may sound, he apparently isn’t the only one who thinks this way. There are people, allegedly real live actual people, who actually pay allegedly real live money for this stuff, and allegedly even (down stomach, down boy…) drink it.

(Easy there, stomach. Hang in there, we don’t have much farther to go.)

And not just a few people. Him and his company are now supposedly worth about $100 million, for heaven’s sake.

Oh, and ignore the fact that there is at least one lawsuit going on at the moment over the alleged safety of this goo.

Rhinehart, not content with attempting to utterly destroy the joy of food, seems to be trying to expand his realm into also destroying our enjoyment of living in general. His solution to the world housing crisis is — shipping containers. As in shoving in a chemical toilet, cutting a few holes in the side to let in light, and living in them. And like all good ideas, he basically stole it from someone else. Using shipping containers as housing has been going on for a long time with mixed results.

And judging from the example he’s set up out in California, well, let’s just say that living in the original Soylent Green’s conditions is pleasant when compared to what he’s got set up.

The thing is, well, it’s just flat out horrific. It’s an old shipping container, a few holes cut crudely into the walls, a chemical toilet, and, well, that’s about it. Looks like there’s no insulation at all, so under the hot California sun interior temperature will… Well, let’s face it, you’re inside an uninsulated metal box. In California. You could roast a turkey in that sucker for heaven’s sake.

The photos, well, dear lord, it looks just bloody horrible, there’s no other way to put it. If this is Rhinehart’s “vision” of how he wants people to live… Well, considering what he wants us to gulp down instead of real food, trying to shovel people into what is little more than an oversized coffin with windows shouldn’t be surprising.

Rhinehart has, of course, never actually lived in the thing. No thank you. He claims that he has, true, but according to at least one source cited in the article, he’s never actually lived it in. He has a perfectly nice, luxurious real home to go to at the end of the day.

He has, however, used it for parties. Although how he got anyone to actually go there is beyond me. Now I admit that some of the frat houses from my college days were pretty much real, live, waking nightmares and you’d want to dip your entire body in sanitizer just looking at them. But this — this thing? Oh, my…

Well it seems the local government feels pretty much the same way, and is going after this pusher of green goo and his rather curious idea of what constitutes “housing”.

To get to the point, though…

Rhinehart reminds me of something my father once said about a particular Christian church with a reputation for being — irritating, shall we say. I was still a child and was curious about this bunch and asked him what in the world was going on with them

“They’re the kind of people,” he told me, “who live in constant fear that someone, somewhere, might be having fun, and believe it’s their job to put a stop to it.”

Those weren’t his exact words, I’m sure, but it’s close enough.

But that’s not why I’m posting this. Oh, no.

This is a test. For the next thirty seconds, this station will be conducting…

Oh, all right, I know, really, really bad joke, but I tend to do that. Sometimes a lot, I fear. I blame my father. I think I inherited his snarky sense of humor. Which is curious because I’m not actually related to my father. Or to my mother for that matter. Or to my sister.

But that’s a different story entirely. I also tend to go off track, I fear.

Ah, now I remember!

This was a test. And a kind of shot across your bow, you poor people out there reading this. I just found the “Press This” tool! One click and bang! Up pops my editor, I drop in a few pithy comments, and instant post!

Well, okay, so I had the ‘press this’ thing for a while now, but I didn’t actually use it because the one from Tumblr is so wonky it hardly works at all and I figured this one was probably going to be wonky too.

But it works!

Oh brother, you’re in trouble now…