There are tons of online services already like iMaterialize and Shapeways - they do really excellent work.

They're saying that it won't break because that's not the purpose here. The description of the experiment is:

In addition to safely integrating into the Microgravity Science Glovebox (MSG), the 3D Print requirements include the production of a 3D multi-layer object(s) that generate data (operational parameters, dimensional control, mechanical properties) to enhance understanding of the 3D printing process in space. Thus, some of the prints were selected to provide information on the tensile, flexure, compressional, and torque strength of the printed materials and objects. Coupons to demonstrate tensile, flexure, and compressional strength were chosen from the American Society for Testing and Materials (ASTM) standards. Multiple copies of these coupons are planned for printing to obtain knowledge of strength variance and the implications of feedstock age. Each printed part is compared to a duplicate part printed on Earth. These parts are compared in dimensions, layer thickness, layer adhesion, relative strength, and relative flexibility. Data obtained in the comparison of Earth- and space-based printing are used to refine Earth-based 3D printing technologies for terrestrial and space-based applications.

The description is not "Print out a wrench so that crew members can change a rusty lug bolt". And yes, also from the description page, they include direct metal printing as part of their list of ultimate goals with 3d printing in space research.

3d printing has tons of applications here on Earth. However, this does not include general-case home 3d printing. Unfortunately, that's what most people here on Slashdot want to judge it by.

Indeed. 3d printing is not going to be suitable for mass production, for keeping a whole colony supplied in bulk components.** But for small specialty parts, it seems like an obvious answer to that piece of the equation. As the tech advances, it's just going to get more and more capable. I'm personally looking much forward to seeing whether a 3d printer that works based on thermal spraying would work out - then your production material choice would be almost limitless, pretty much any powder or small fibers you can think of that can be made to merge with the substrate through any custom combination of either temperature or velocity, and your balance between deposition rate and precision could be chosen just by rotating through nozzles of different sizes, none of the feed mechanism or material storage or anything. Your same printer could even paint, coat, sandblast, or pretty much any other post treatment on its own.

** Concerning not being able to use 3d printing for mass manufacturing: That is, assuming 3d printing as we think of it today, printing a voxel at a time. However, if you made a custom programmable 3d *molder*, where it forms a cavity of a programmable shape, that could be a different story - then you're approaching true mass production potential. Custom programmable stamping tools and other manufacturing processes could also be developed.

A lot of the slashdot crowd still thinks of 3d printers in terms of Makerbots and the like, the low end consumer-level home 3d printers. They really have no clue what professional level hardware can achieve. They'd be singing a different tune had they ever ordered 3d-printed parts from a professional 3d printing service.

Yeah but really who uses them?

95% of .NET is in c#. All the VB jobs are still for legacy 5.x and 6.x code that I see. Take it back 85% c# and 10% c++. Just because it can be done COBOL doesn't mean people use it other than to see if they can write a hello world program.

In essence it is a c# based environment.

I welcome it if it is more open and cheaper. 100k to start a website for unlimited licenses is freaking nuts.

But that was a few years ago.

MS is changing because they have lost and can no longer use leverage like they once did. Witness IE and visual studio where lots of free competition exists?

I welcome an alternative to java and hopes it encourages python and php to get their acts together. More competition the better for everyone

The old gray beards today might say the same with IBM or Digital but once market forces correct a monopoly the company either whithers or adapts.

Doesn't mean MS is no different than any other corporation even if that opinion is unpopular here on slashdot. Timewarner/AT&T/Comcast are far more evil and God forbid what Jobs would have in store if Apple won the Pc wars in the 1980s and achieved 90% marketshare! MS would be tame in comparison.

Under a free market people play nice or loose out.

Today I like Microsoft even though I hated them hence my name 13 years ago. Here are the facts in late 2014
1. IE is not a bad browser anymore. It used to be both feared and loathed in the old days as it was a threat to win32 applications. Today they no longer will ever have the control they did in 2004 when you needed to go to a library to use IE 6 if you used a mac or linux to fill out job apps. Yes I remember doing that. Monster.com was optimized for IE 6 quirks back then.IE 11 is modern and has great debugging tools and behaves like a real browser behaves and has the best security with sandboxing. IE 12 will even have an add-on framework ala Chrome/Firefox. I use adblock on IE today
2. Visual Studio 2015 supports Android and Linux Xiarmin development?? No I am lying. Go google it as emulators are included including CLANG support.
3. Office is available for Android and IOS. Full suite is coming soon
4. MS more liberal with pricing for non corporations. Google VS Community edition. It is pro and free!
5. MS is opening sourcing .NET and lots of frameworks
6. Azure supports non win32 operating systems.
7. MS is putting more effort in security and stabilizing and fixing bugs now that competition exists.

Am I a fanboy? No. I am agnostic this day but I find MS getting much better and if it were not for Metro I would be a fan even of their desktop products. Windows 7 is a very stable desktop oriented OS. It is not and I repeat not the POS slashdotters who have not run Windows in 15 years remember.

MS woke up and realized oh shoot. IOS and Android are eating our lunch! Eclipse will eat our lunch! Amazon will eat our lunch! Firefox and now I should say Chrome has eating our lunch! Ms has so much competition today on so many fronts it can't go back and use leverage of a monopoly in one area for another. Blocking Android on Windows? Who cares about Windows blah. Block W3C standards iwth IE? Fine I will use another browser etc.

This was unthinkable in 1999. So Linux did not win the desktop wars like we hoped but open source software did win everything else. Browsers are competitive. Mobile operating systems competitive. Development environments are competitive. Clouds and virtual services for legacy win32 apps scare the crap out of them so soon if mega corps want to leave they can.

MS is done. I welcome the new MS. As some (I did not say all folks) products are fairly decent and play well with others.

Right. Playing with your gun teaches the ability to resist road rage. Are you even listening to yourself?

Try it. Then sound off. B-)

As you can see, the moderation converged on a more proper +5 Insightful

  I've read the post carefully and it doesn't qualify as Flamebait IMHO. It states a controversial political opinion and thus invites a discussion, which may lead to flamage, but does not itself lead with a flame.

So this looks like someone who doesn't like the position trying to suppress it, by hitting it with the most plausible -1, in the hope that one more like-minded person will have mod points and get it suppressed before very many people see it. That works for "politically incorrect" subjects (such as criticisms of the "heat death of the Earth, everybody panic and suppress technology" interpretation of climate data), where a crowd of like-minded free speech haters are ready to suppress opposing opinions. But pro-pot doesn't appear to attract that much system-gaming opposition.

Right now it only takes two downmods to hide a non-anonymous itme. It seems to me that we have enough people willing to moderate that it's time to scale up the mod system, so a small astroturf operation can't shut down debate. Say: double it: Mods get 10 points, -2 hides, non-anynomous starts at +2, high-karma at +4, doulble everybody's current karma and readjust the cutpoints for bonuses, caps, and the like. That would mean it would take two moderators to suppress a anonymous post and four for authors willing to risk reputation. (It would also mean more work for those who are willing to moderate - but they might be more willing to spend a point if they had more to spend.)

Have you seen people drive? Road rage? Now think many of these same people with guns.

Target range practice is a very powerful biofeedback mechanism for teaching the suppression of the production of adrenaline and of all symptoms of excitement. Aligning gun sights - a pair of visual targets separated by about the length of the gun barrel (inches, a foot, or several feet), aligning them with a target (at tens of feet), and holding the alignment, gives visibility to even microscopic tremors and movement. Getting the image right and stable means drastically suppressing this movement. Over a number of range sessions, this leads to learning how to be icy calm, as a reflex, in the midst of a very stressful environment (full of intermittent explosions, bright lights, acrid smells, and odd-temperature winds).

(The effect is extreme. It was discovered that good target shooters, thinking they were just controlling their breath, had actually learned to "stop their heartbeat" - compressing the time between the pairs of beats before and after firing a shot and doubling the time between beats during the trigger pull.)

The result is that, after just a few good sessions, this becomes imprinted. Even in a rage, putting your hand on a gun drops you into that icy calm state.

Germany was spending far more on their military during that time than Britain was. If Britain and France had stepped in earlier, Germany would have been totally unprepared and the war would have ended quickly. Not to mention all of the horrors of the Holocaust that would have been prevented.

If Britain and France had managed to delay the war to "prepare" even more, say a few years, the Luftwaffe would have been dominated by jets, German ballistic missiles would have been longer range and more precise, and they might even have become a nuclear power. I really don't think this is the analogy you're looking for.

Indeed, though antagonizing your opponents like that probably isn't going to help the cause.

There is no long a point in trying not antagonizing them. Pretty much anyone who is still actively lobbying against private ownership of guns is either ignoring the evidence, incapable of uncerstandng it, or has a hidden agenda (such as creating victim-rich zones for govenment or criminal activity).

These people are not going to be converted. Things are far enough long that we no longer need them as straw men to raise the bogus argumets to be knocked down with logic. (Those who can be convinced with logic are now mostly either convinced or subject to information shortage). But they remain useful as targets of ridicule, so those who are more interested in being with the in crowd than making smart decisions can be converted.

For those still uncertain on the issue: Do you want to reduce murder, rape, assault, robery, criminal victimization, and institutional suppression of minority groups? Or do you want to want to reduce gun possession? There is no longer any question: More guns mean less of all those things.

By now would be surprised if they don't have at least a couple Taepodong 2s that have at least a fair chance of a successful flight. They're not impressive as far as ICBMs go, but they are ICBMs.

Propaganda campaign by who? I think Singer needs to check his haughtiness at the door:

the ability to steal gossipy emails from a not-so-great protected computer network is not the same thing as being able to carry out physical, 9/11-style attacks in 18,000 locations simultaneously. I can't believe I'm saying this. I can't believe I have to say this."

Except, of course, for the fact that the prime suspect is the hand-picked hacker squad of the Hollywood-obsessed leader of a nuclear armed state with ICBMs, whose family's Hollywood obsession has gone to such extremes in the past as kidnapping filmmakers and forcing at them at gunpoint to make movies for them. I can't believe I'm saying this. I can't believe I have to say this.