342 posts • joined Sunday 22nd November 2009 19:24 GMT
Yeah, the same argument works for people selling ASIC bitcoin miners - if they work and they had them, they'd make more money mining than in selling the devices.
I still haven't decided if this is delusion or fraud, but one thing it's almost certainly not, is net-positive fusion.
Re: I can see how this works...
OK, that was funny as hell Bren, but seriously, bets on one of these units ever being sold? It's just a claim so he can keep his marks on the hook to fund him.
Re: The US claimed Snowden's revelations damaged its ability to fight terrorism
In the first few days of the Snowden business, I really WAS pissed at what he did (or at least what was first released), because the early stuff was mostly legal, and there's no question that disclosing it hurt intelligence gathering.
Now I find I'm not anymore. The wholesale slurping of incoming or intra-cloud communications, so they don't have to ask for a FISA warrant, puts the NSA solidly behind the 8-ball. They are bad guys, using flat-out-illegal methods because following the law was inconvenient for them. Merely making this possible puts us all at risk from boneheaded mistakes, and the US intelligence apparatus is all ABOUT bonehead mistakes.
Google has it right, FUCK THESE GUYS. If they want data, they can bloody well ask for it legally. Another good thing about this case, it finally got the movement started to use perfect forward security in SSL. I was disgusted to find out how often this simple-to-configure option wasn't used. If PFS was used at lavabit, there would have been no point in demanding their SSL key - recorded sessions would be useless.
Install the Calomel browser addon and scream at noncompliant site operators until they all pass the "128 bit PFS and better only" test. And yell at your congresscritter to put the final stake in the heart of National Security Letters, too.
"I think companies that refuse to name their competition or competitor's products aren't worth any respect at all."
That, by long-standing advertising convention, is exactly backwards. You only mention the competition when you're in a secondary position, i.e. you're trying to eat some of their lunch because you can't find your own lunch in the market.
Market leaders, either actual or self-perceived, do not do competitors service by naming them, ever.
Re: Yes, a "solution looking for a problem"
Circuit board prototyping may be a killer app for 3d printing. The process now is either messy and crappy (if you do it yourself) or stupidly expensive (if you use a prototyping service).
I do some fiddling with atmel chips (none of this arduino business for me), and I would LOVE to be able to whip out a board on a printer to try stuff out. If it could do two-sided boards, I'd buy one right now.
It was not at top speed when it pulled out of the dive - I saw '347 mph' flip by on one of the displays shortly before.
I get the the atmosphere was thinner at the time (I think it was at 50,000 feet when it pulled out of the dive), but still, it had to have pulled some gees leveling out so quickly. Very cool stuff, can't wait to see it work with Vulture.
How the heck did the glider not rip itself to pieces pulling out of that dive? It was going something like 350 mph, and just pulled up like it was no big thing.
They should have let the autopilot land the plane - you could see the loss of control right away, without seeing "manual" on the inset.
Re: "pinch tiny parts of Earth's energy"
Make the YEAR a bit longer, you mean.
It would probably take a ton more sanding to get that texture out, though I am surprised the primer didn't smooth things out more.
That said, I think I like the slight texture - it makes it look more like the old cardboard rockets I used to fly as a kid. And the colors came out really nice too.
what are they trading?
What the heck does "unexpected trading circumstances" mean in this context?
Kerosene is RP-1, right? RP-1/LOX is what got the Apollo first stage off the ground, not exactly new technology.
Hypergolic fuels are popular because they make for smoother starts, a "hard start" in a big rocket engine sometimes leading to what Clark called "spontaneous catastrophic self-disassembly". RP-1/LOX isn't hypergolic, so restarts are more difficult (you need a seperate ignition system).
If I remember the reasoning, RP-1 has the advantage of being dense, so it's great for a first stage where restarts aren't necessary and you want to burn it fast (The Saturn V first stage burned something like 16 tons of propellant a second!). So, great for getting you off the ground, but not so great for the clever orbital maneuvers the Indian spacecraft is pulling off.
Re: And for a lighter look at hypergolic compounds..
Derek's hilarious blog entries about dangerous compounds pointed me at John Clark's amazing book "Ignition!" on liquid fuels. Look for a pdf online, it's out of print. After reading it, stories mentioning fuels and oxidizers make a lot more sense! UDMH and Nitrogen Tetroxide is a good choice.
Some Flourine compounds (though I doubt FOOF, you couldn't even get it in a tank probably) were tried as oxidizers, but they had a bad habit of dissolving tankage, rocket motors, and rocket scientists. Plus you wouldn't want to be downwind of the exhaust if they did work.
Once again, Bitcoin is the Eve Online of currency.
Stop the linkbait
It's getting to the point where the only thing I want to read on the Reg are Lester's balloon shenanigans and the very occasional BOFH.
Come up with a new schtick guys, this one is just dumb.
Re: I laugh out loud
Ouch! Point taken.
In the US, you see people at the grocery store wearing freaking pajamas and yoga pants. Admittedly the latter can have its charms (if the wearer does), but "style" and "class" are not much of a factor in public anymore.
Sometimes that's a shame (you wish people would at least wash and comb their hair), but on the other hand, the days are over where someone would look at your feet and infer your social standing from how nice your shoes are.
Re: I laugh out loud
Every time I see some anonymous coward calling someone "numpty", I think "what a twatwaffle" and ignore anything they say.
There's a couple problems with them looking like ordinary sunglasses. First, the whole idea of the display being up high is so that you can maintain eye contact, and it's immediately apparent when in real life someone isn't paying attention to you (their eyes go up and to the right). The other problem is that you then won't KNOW that someone is wearing them. The second brings up some SFnal social ideas, let me expand on that a bit.
I think there should be some signal that a person is connected. How many times have we seen some apparently-crazy person talking to themselves, when it was just a bluetooth headset in the ear opposite us (making the person merely douchey rather than insane)? A standard bit of design language (say, a curved bit of metal over both eyebrows, like the non-display parts of the Glass headset) would tell you that this person may not be talking to you. This replaces the now-missing social signal of the person holding their hand to their ear.
It also offers another possibility - as a warning that everything you do around this person is being recorded. With current cams (and I know the UK is hog-wild for them), they really only can be used AGAINST you. With a device that's always recording, quickly sending the result to a network store on write-once media, you would have a permanent first-person view of everything you do. If someone assaults you (or claims you assaulted them), you have perfect evidence to defend yourself. If you are witness to a crime, you can come forward as a witness, and give the officer a first-person replay of the event exactly as it happened, instead of how you THINK it happened. If you're suspected of a crime, your record will show exactly where you were at the time.
Of course, someone else can wear your glasses. Solution? Be standing in front of a mirror when you put them on, establishing it's you, and then the glasses themselves will confirm they weren't removed since the last time you authenticated yourself. Kind of cool, huh?
Exactly what is so terrible looking about them? They're certainly more attractive than a bluetooth headset.
Sometimes you just gotta say "awesome" and stop there.
Re: Small flaw
This "even to each other" thing has to be overstated, right? Yeah, the buyer has limited knowledge of the seller, but the seller has to SEND YOU STUFF. Maybe you used a PO box, but even that is a huge lead to someone trying to track you down.
It seems to me that buyers would make great extortion targets.
I haven't had a problem with the mac RDP client, especially since it uses PC config files without changes. Better multi-screen support is the only thing I'd really like to see.
An RDP client for iOS though? NICE.
Re: Rand Paul
Hey Mr. Habel, stop being a trolling dick.
I stand by my previous comment that it be painted bright silver to further enhance the 50s rocket look. If you really want to go two-tone, the SPB colors are a good choice instead.
This thing needs a nice coat of shiny silver paint. It's not job done until someone calls in a UFO sighting.
Re: Airframe comparison
...This isn't funny, Lester...
Oh yes it is. Free tip - when trolling someone, you're supposed to make them upset, not make them laugh.
A point-by point refutation of your post would have to list practically every word with WRONG attached, but since you're "merely" trolling, it's certainly not worth the effort. Go away.
Re: Airframe comparison
Lester, don't engage the trolls. They don't care about your opinion and you only look silly when you join them under the bridge.
I don't think the roughness of the aeroshell will be a problem - back when I flew model rockets as a kid, they were made of cardboard, and the flew just as well painted as unpainted. This looks a little rougher than cardboard, but as others have said, that may actually be a positive, based on some recent research in fluid dynamics.
The thing that really gets me about the design is that you've created something that would be extremely difficult, if even possible, to duplicate via normal manufacturing. All of those braces in the plastic that so beaufifully spiral around the interior would be maddening to make with injection molding. That's pretty dang cool, but it probably means that we won't see DIY Vulture2 models in the hobby shop, which is a shame.
I'm sure I'm not the only one excited to hear about the onboard telemetry this thing will have. I assume the intent is to have it navigate back to the launch point - or will you be able to set a destination in flight? At the height of launch, if the autopilot works, you should be able to cover a lot of ground from the launch point. I'm looking forward to following Dave's realtime tracker again.
Oh, um, that's what a Cesaroni is? I thought it was the igniter.
What kind of burn time and thrust, say compared to a hobbyist engine? Is it going to add a couple thousand feet to the top altitude, or be more significant?
Speaking of the engine, what are you actually igniting? I don't think we ever talked about what kind of rocket engine was in use. A typical hobbyist engine like an estes D, or something built for the purpose?
The craft looks beautiful. You could sell kits for it I think.
Well, that was a lot of fun to watch live. If you missed the stream, the package came down way up a hill in the middle of nowhere. They got the radio signal long enough to get the exact GPS coordinates, and will be going back for it tomorrow. Ran out of daylight, unfortunately.
Re: What are the various circles on the map?
I think Buzz is the spaceplane (falling, with style), while CHAV is the balloon and mount. Thery're only testing the latter today. Lester, please tell us what the various callsigns are tracking in the future!
For those of you wondering about the pressure reading on CHAV, it's not actually in Pascals like the tracker says, but Hectopascals (hPa). At the current altitude as I write this, it's at 95hPa, or .09 ATM. It's amazing how fast the atmosphere thins out!
Re: Paint it green
As cool as this ship looks, I don't think that International Rescue wants to putter along in an airship. Thunderbird 2 was supersonic, wasn't it?
Should Chrome have a password on their secure store, like firefox does (if you bother to enable it)? Probably. Is this even vaguely a news story? Not in the frigging least.
I have the skinny columns problem too, where the indented text doesn't fill up the whole box (current firefox, mac). I thought it might be zoomed text, but I tried resetting that and it's still messed up. Oddly, on another machine running the same browser version, it works fine.
Re: curly bracket hell....
Gah, no, putting the open brace on the same line as the controlling block is simply K&R style, and has a long history. There's two reasons, 1) So it's immediately clear what is controlling the block of code, and 2) as defensive coding style against accidentally forgetting to put in the brace.
I personally have no problem with either style, so long as it is entirely consistent in your corpus of code. Mix it in one program and you DIE.
That said - checking your code by visually looking at indents is only going to work when you haven't screwed it up. Check your indents by using an editor which properly shows the scope in a gutter (most good IDE editors), or a least will pop you back and forth from the start to the finish (good old vi). Nice indenting is for ease of reading, NOT debugging!
Yep, advertising works
They spent nearly a billion dollars on advertising, and they still can't shift more than a million or so units, even the pros which are kind of nice?
How many times is Microsoft going to flail and try to transform itself (ad company, cloud services company, consumer technology, etc.) before it gets the idea that Windows and Office make lots of money, so maybe just concentrate on that and make them better?
Windows 7 and server 2008 shows Microsoft can still make a darn fine OS. This other stuff is just killing them, because they are completely tone deaf in the consumer space.
Apparently, this is called "shmeat", as in "sheets of meat cells". So you have "shmeatloaf", "shmeatballs". I need to look into trademarking "shamburger".
I'm rather annoyed that PETA is in favor of the idea. I was really looking forward to all their brains exploding when presented a tasty hamburger that animal died making. We need more PETA members with exploding heads.
For 35 bucks this definitely looks like it would be fun to play with, especially if it's hackable so you could send it non-chrome content, like a VNC screen stream.
Re: Remember the article here about how you'd never 3D print a gun?
"standard plumbing pipes" wouldn't provide a tight fit, and any of nearly the right inside diameter would probably burst too. In any event, making a gun out of plumbing parts isn't hard (in fact it's done all the time by criminals and idiots). What's hard is making one that actually can hit something more than a foot away, and not do more damage to the person holding it than what tthe bullet hits.
Note the lanyard used in the video - it's going to be a long, long time before plastic 3d printed gun is safe enough to fire without hiding behind a barrier and using a string, which makes this whole thing a non-story - it's just another way to make a really bad zip gun.
Re: Gun detection
Tolerances for existing ammunition are tight enough that all the software would need to look for are holes of certain specified diameters. So, if the hole is .222 inches, suspect someone is making a .22LR barrel and yell at them?
I assume all existing printed guns are smoothbores, because there's no way in hell that 3d printed rifling would work. Which is also to say they'd be crappy pistols and even crappier rifles, even if they could get the bullet out the front without letting most of the gas out the sides.
Re: Don't need loads of notifications
I've been charging my pebble every night because it seems to go from what the display says is "full" (no battery icon in the menu) to dead empty with no warning. It usually seems to last about 3 days.
I really like the watch. It looks decent, it's thin, and you can switch from a casual to a formal watchface with a button press. httpebble based apps are stil a little unreliable (it seems like the connection goes to sleep too easily), but they do work ("futura weather" is my second most often-used face after a black on white analog display). The only thing it doesn't do yet that I want is the ability to reject a call from the watch - apparently this is coming in the API.
Re: Articles on the F1 Engine
This one too:
There's some great pictures of welds that nobody in their right mind would even think about doing in a production part these days.
Re: No video of the release?
Condensation inside the case could kill it as easily as direct cold. If the case looks airtight (and I wouldn't be surprised if the HERO is), you may want to drill some holes to let air pressure equalize, as odd as that may sound.
Re: THIS is what you get...
It's hilarious how wonderfully structurally solid paper straws, bulkhead, and laminated shell construction looks. The removable nose reminds me of a photo I saw years ago of a ridiculously large 747-based cargo jet prototype where the whole front of the aircraft came open.
It's a shame CHAV didn't fly. Did it get any wind tunnel tests?
I'm not sure I understand exactly what happened to CHAV. Did it did detach, but hung nose-down from the payload box (tangled up in one of the hanging lines)? When I first read this, I was thinking that it stayed in launch position the entire time, but a nose-down dangle makes the video make much more sense.
Is this considered a successful igniter test? In the full mission, it has to light off rocket propellant, which will probably happen just fine if it burns at all, even if it can't burn through a nylon line.
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