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Doc Rivers

newtboy says...

Hmmmm...ok, that's not legislation but is what I meant. A forced buyback program is going to have issues.

1) I have no problem with companies having to answer for injuries caused by the prescribed, advertised proper use of their product. If shoes were sold as having the greatest shin kicking power, doing the most damage when you kick someone, shoe manufacturers should be sued by those who get kicked. If manufacturers haven't modeled and advertised in a way that suggests dangerous uses, the suits will lose. Lawyers don't take loser cases, so it won't be an issue imo. Special protections from liability are a problem imo.

2) I've never understood the endgame there. What is an assault rifle, and how are their capabilities special? That said, no one is clamoring for Uzis to come back. Without a legitimate reason for high capacity fast shooting rifles, and no attempts to ban semi auto rifles, I'm just not that bothered by it, but I do think it's placating not meaningful legislation.

3) I have zero issues with registration or background checks. That seems the right way to deal with "assault rifles". There's no reason it should be expensive or time consuming if records are up to date. If they make it expensive as a tax disincentive against ownership, I have a problem. Shooting isn't a cheap sport, $10-20 a year shouldn't bother those who spent $2k on one rifle.

4) No issue at all with voluntary buy backs. Involuntary buybacks are going to be a legal and practical nightmare.

5) one purchase per month, a bit much. One purchase at a time, I'm ok with, that's 3 a month, right? I'm suspicious of anyone who needs multiple guns quick before they calm down.

6) I'm all for universal background checks. I don't want nutjob and violent criminals buying guns they aren't allowed to own.

7) I'm all for not allowing those who can't handle day to day existence to buy guns. I'm even ok with TEMPORARY removal of their guns in some cases, but only if they're returned immediately after they're deemed competent.

misdemeanor hate crime? I thought hate crime was an enhancement charge that took a misdemeanor up to felony level. I'm definitely against taking gun rights away permanently for misdemeanors.

9) dunno what that is.

10) the problem is you can buy a receiver that needs to be finished, as little as one tiny drill hole is enough, with no serial number or registration. It's just a chunk of metal until it's finished. No problem with a background check for every purchase, but a maximum of one check per month seems a reasonable compromise.

11) with proper oversight and a system that ensures it's not abused, no problem for me.

12) Yes, strict guidelines and quick return seem necessary. 48 hours without a doctor stating it's necessary would work, but as of now they aren't ready for prime time on that it seems.

13) had that in cali forever, not an issue yet.

14) as designed, smart guns wouldn't be hackable, there's no reason for wireless connectivity. Battery? Make it charge itself by shaking it like some flashlights? I like the idea that guns can only be used by the owner, solves so many issues, mainly being shot with your own gun.

15) depends on what constitutes "safe". I agree, guns for home defense need to be available quickly.

16) some ghost guns are milled on professional cnc mills but unfinished. 3d printed guns, I'm not a fan. 3 shots is plenty to murder someone, and with no identification it's a near perfect weapon for crimes.
3d printing is advancing constantly. You can print in metal with fine details now on home equipment. I think it won't be long before stable guns can be printed if they aren't already.

Thanks for doing the research. I seriously doubt most could pass even a democratic congress but some would, and most won't pass court challenges, but I understand your reluctance to put that to the test.

If you're going to fight the swamp thing, I won't argue against leaving a few snakes in the black lagoon. Some opposition is healthy, but the ability to be obstructionist on every idea is gridlock. I don't see it getting better.

Marble Machine X

Payback says...

Actually been watching him ever since he started building the MMX. He has quite a lot of build skills. Everything wooden or plastic hes cut on this big CNC router table. Every last part is his own personal Fusion360 design. The guy's a frickin genius. Hes got more than a few larger YouTube engineering content creators to help out.

Yes, I'm aware you're joking, but the design is really amazing.

BSR said:

This is what happens when you want to start a band but you don't have any friends.

Grooveless metal engineering

bremnet says...

No, it's not EDM. It's machined. We produce a variety of cylinder / piston pairs, some with keyed anti rotation or beveled flanges to prevent pull through. The achievement of a visually seamless interface between two parts is certainly not trivial, but with care and the proper sequence of machining steps (guess which face you mill last? right - the one the user sees as seamless) you can do this on good quality CNC's with the right cutters. EDM'ing the complex curved shapes that truly mate across the surface on the early parts shown in the video is very (prohibitively) difficult, as you have to rely on ram EDM which is plain nasty.

worthwords said:

It's a type of electro discharge machining. It has been around for a while but it's so damn satisfying!

Grooveless metal engineering

Q Anon, Printable Guns, & Other Pure Nonsense Words

entr0py says...

I think there are 3 real issues with 3D printed guns that are genuinely new dangers worth being concerned about.

1. They completely avoid background checks.

2. They're untraceable to a gun seller.

3. They could lead to relatively inexpensive and unregistered fully automatic weapons.

It does seem that plastic guns are not worth worrying about because they're so terrible. But, metal shaping CNC Mills aren't that expensive and can do a decent job of printing guns at home.

I can't really buy the argument that no one will be interested in printing out machine guns because of the existing criminal penalties. If someone is planning a murder or bank robbery or terrorist attack, they're already expecting a life sentence if they're caught. And, even if they plan to get away with it, a gun that can do the job really well, has no history to trace, and can be destroyed or disposed of right after could just make the crime easier to get away with.

Q Anon, Printable Guns, & Other Pure Nonsense Words

newtboy says...

Good point, but not exactly right.
Plastic guns, yeah, not so scary here in the U.S. where anyone can get an unregistered gun in hours, but in other countries where guns are rare, this gives criminals access to better weapons than the general public, or in many cases better than average police carry.
Also-
There are both 3d printers that can print metal and the guy putting the plans out has a business making small cnc milling machines that can mill guns from his plans in steel. That means these guns can be exactly the same quality as licenced manufacturers make. I would bet there are or will be plans for fully automatic weapons as well.

Mordhaus said:

Printable guns are another scare tactic. We are talking about guns that can only fire small caliber rounds and that still require at least a few metal components. There is no such thing as a totally untraceable, all plastic gun. Technically, if there were such a thing, it would be illegal under existing law.

Ghost guns are another freak out buzz word. It's a grey area that is quasi legal as long as you only make it for yourself. If you plan on making them and selling them, you are fucked.

Hell, I can go down to Lowes and buy materials to make a higher caliber zip gun that is actually going to be deadlier than a plastic printed one. With a cork, some glue,plastic vanes, a nail, and a shotgun shell I can make a grenade. With some matches, pipe from Lowes, a firecracker fuse, and threadlocker I can make a pipe bomb.

The point being, you can make damn near anything deadly with some work and access to everyday components. If you want to frighten a gullible populace with a scary plastic 'gun' to further your agenda against guns in general, it's child play to do so.

Why expensive watches are so expensive

ChaosEngine says...

The thing that gets me is that the mechanisms are beautiful... but most of the time you don't get to see it.

Ultimately, I fail to believe that a handmade watch is so much better than a machine made watch. 20 years ago, maybe, but we live in an age of 3d printing and CNC machines that can produce exponentially more accurate results than a human ever could.

Don't get me wrong, there's incredible talent and skill gone into making this, but the "handmade" thing is just an excuse to charge more.

Greg Gianforte, Trump and the First Amendment

bobknight33 says...

""Fox reporters would lie with him, but they didn't"". ??? On what grounds do you state this ??? Fox is more fair and balanced than CNC/MSNBC and others.


HE was not expected to wing by a land slide It was to be close, which it was.


" Republicans have totally sacrificed their morality " Are you kidding. Democrats are the party of Debauchery. Democrats are a joke. Republicans have slipped to a new low but democrats promote the worst of society.

Democrats are American but they represent the blinded sheep degenerated by its politicians.

newtboy said:

No.
It shows us a pitfall of early voting. Most, the vast majority of votes, were cast before he assaulted the reporter.
He was always expected to win by a landslide both before and after he lost it on tape and blatantly lied about it assuming the Fox reporters would lie with him, but they didn't.
Because of early voting, last minute surprises like this barely matter....unless he gets the maximum sentence, which is appropriate. If ever there was someone the courts should use to set an example with, it's a violent elected official.

That's not to say he would have lost if early voting wasn't the norm there. Republicans have totally sacrificed their morality and rationality on the altar of partisanship. Like Trump said, they could murder people publicly in cold blood and not lose votes. This means they're fine electing people who display this kind of total lack of self control and poor decision making processes along with a proven willingness to bold faced lie to the public to represent us as long as the tie they wear is red.
It's far less about Democrats, the minority there, than it is about a total lack of civility, honesty, or basic self control in Republican leaders and their voters accepting that, even relishing it.

And btw, Democrats ARE Americans....since you're confused again.

Did a 3D Laser Printer Kill A Bay Area Couple?

shagen454 says...

Here you go, don't test the nerds

Oct 22, 2015
"To call the Glowforge a 3D laser printer isn’t quite right. But the liberties the machine’s three co-founders have taken with the name are really more for the sake of having an intelligible way to describe a working laser cutter that’s the size of a desktop yet can perform the functions of the hulking, 700-plus pounds, $10,000-plus laser CNC cutter-engravers that are found in makerspaces and garages.
“I had a traditional laser cutter in my garage, and I would show it to people all the time,” says co-founder Dan Shapiro. “They would say, ‘Your laser printer is amazing.’ I’d say, ‘That’s not a laser printer.’ … At some point I learned the business advice that you’re supposed to be learning from your customers rather than lecturing to them.”
The machine Shapiro and co-founders Tony Wright and Mark Gosselin have created from their headquarters in downtown Seattle is really a laser cutter. It’s a subtractive manufacturing tool, as opposed to the additive nature of 3D printers." - Fortune Magazine

blutruth (Member Profile)

Computer builder porn

Damascus doesn't quite look like it used to...

Science of Stupid - Big Boys and Their Toys

ChaosEngine says...

I'm not so sure. Give a kiwi bloke a problem, a shed and some tools and you'd be amazed what they can do. I have two friends who have built their own CNC machines and are using them to manufacture snowboards and ultra light weight bindings.

Never underestimate the ingenuity of a bloke in his shed...

Stormsinger said:

Sadly, it doesn't sound like something a home hobbyist could do much with...yet. Give 3D printers a few more years, and we might be able to try this out.

nock (Member Profile)

Triumphant first flight under FAA's new drone testing rules

newtboy says...

I'll second that.
I built a nearly identical plane 25 years ago, it cost about $125, and another $200 for the controller setup. It's wings were made of fiberglass/graphite spars inside dense foam cores...easy to build, easy to repair, and didn't hurt if it hit a person. (it did only have about a 15 min flight time without thermals, but batteries and motors are better now) Why are they going with carbon fiber for a non-combat fixed wing drone over fiberglass and/or foam (or are they testing combat drones)? Is it just to make it cost more? Why not just CNC mill them out of titanium billets? ;-)

$50K? Something smells here. Should be under $1K unless there's a lot we aren't seeing. Maybe it's all in the electronics and optics (it would need a bit more than a cell phone camera), but it still seems exorbitant. I think it could be more efficient to make them cheap and disposable/recyclable rather than 'hardened'.

Samaelsmith said:

"Less than $50,000 to make"? It's a radio controlled plane for fuck's sake!



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