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

newtboy says...

That's how I take him saying "a magical device that doesn't exist". If he means 'stop calling it something it isn't', he should say those words instead of what he said, no?

Edit: I don't disagree with his assertion that 3d printers don't make CO, or his frustration that cutters are being called printers, just his saying laser printers are non existent or magic.

shagen454 said:

I don't think that is what he was saying. My interpretation was that he was citing (a recent slew of misinformation) of media claiming that 3D Printers are harmful and in this case the cause of death ; of which a 3D printer would not be able to cause carbon monoxide poisoning, which is way more likely to have been a laser cutter.... No, he's trying to stick up for 3D Printers, of which may contain lasers (not very likely since it's not very commercial yet) and a completely different production method. Obviously, there are A LOT of people with 3D printers in the Bay Area.

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

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

shagen454 says...

I don't think that is what he was saying. My interpretation was that he was citing (a recent slew of misinformation) of media claiming that 3D Printers are harmful and in this case the cause of death ; of which a 3D printer would not be able to cause carbon monoxide poisoning, which is way more likely to have been a laser cutter.... No, he's trying to stick up for 3D Printers, of which may contain lasers (not very likely since it's not very commercial yet) and a completely different production method (additive). Obviously, there are A LOT of people with 3D printers in the Bay Area.

newtboy said:

That's not how you pronounce epitome.

Is he saying there aren't 3d laser printers? There are. Some use lasers to activate and solidify the medium they are printing with...not all. Sorry dude, you're wrong. Maybe this report is a case of misidentification, but the statement that laser 3d printers don't exist....that's just a bold faced lie.

http://www.instructables.com/id/Build-a-Laser-3D-Printer-Stereolithography-at-Ho/

You Shall Not Pass!

av2006 (Member Profile)

MIT Dropout Starts an Anti-College

MilkmanDan says...

I got an Engineering degree (well, Computer Science, so kinda "Engineering lite") from a traditional 4-year (state) university. And I think it was not a complete waste of my time, but a 50-75% waste.

What I expected / wanted to get out of my degree was a foundation of knowledge and training in order to get a job in my chosen area of specialization (computer programming). My degree gave me that, sorta, but in an incredibly inefficient way. I took a bunch of classes that were in NO WAY relevant. Even classes in my major were very hit or miss; I had ONE class that was centered around working with a team and producing a software project over the course of a year / two semesters that stands out as the only class I think was 100% worthwhile.

Overall, the 4.5 years worth of classes that I took could easily have been condensed into "just the relevant stuff" and fit into a 2 year curriculum. Universities say that they want to produce "well rounded citizens", but they actually want to produce well rounded University coffers.

It IS true that a degree can be a significant barrier to entry for a lot of jobs, so in that sense getting a degree can be "worth it". But I tend to think that in the vast majority of cases that is just employers playing things safe and traditional rather than being a truly necessary requirement for the jobs they want to fill.


High School is the perfect time to "broaden horizons" and expose people to a little bit of everything. I'm all for University-level education trending in a vocational/technical direction like this with much more emphasis on specialization, and where not all degrees/programs require a cookie-cutter 4 years to complete. If you pick the wrong specialization and "waste" 1-2 years learning something that you don't end up actually wanting to do for employment, you could still take a mulligan and start over learning something else in less time than it would take to get a single degree from a 4 year University. More non-traditional students, more specialization, more focus. I wish these guys well and hope that they make some waves.

How to Open a Master Lock with No Key or Special Tools

AeroMechanical says...

Sure, that sucks more than usual, but again padlocks aren't for locking up valuable things. They prevent opportunistic casual theft. They're one step above luggage locks--only better than a nylon zip-tie because they can be reused.

If you use this with the intention of keeping out the class of people who might know this trick or bring tools along for their burgling, (like say a $20 bolt cutter that will do for most any padlock) you're doing it wrong.

Structure Fire from Firefighter's helmet cam

DrkCntry says...

Calling them idiots? This coming from a person not understanding the job they are performing. The two on the roof are relieving pressure in the building as well as creating ingress and egress points, ingress for the water and egress for the fire pressure.

Building fires create a serious amount of pressure due to the expanding air in a very confined, and pretty well insulated, environment. This is the same actions you see firefighters breaking out windows to expel a large portion of said pressure. It also allows a fire to expand in a more controlled and less volatile way (see: explosive backdrafts).

The guy using the 'poker' is looking for structural weakness, both for the safety of the crew on the roof, as well as the 'cutter' to have the most direct access to the higher 'heat areas'.

notarobot said:

These guys are idiots. They should be operating from a ladder placed ON the roof in case there is a collapse.

The gear they have will protect from ambient heat for a while, but only for a very short time in direct flame. The face masks, for example, are made of acrylic. If the heat gets much over 400ish degrees, and they will start to melt. If any of these guys fell trough the roof into a fully involved fire, they wouldn't have much time. And those suits aren't very mobile.

Don't Stay In School

SevenFingers says...

Everyone is skirting the fact that parents are the first and last line of education when it comes to their children. It isn't just up to schools to teach. You must always question authority and make your own decisions, if you want your kids to know this stuff, teach it yourself! Sure you may not know 100% but every bit that is different than what cookie cutter schools teach is invaluable.

Cutting large glass panels by hand seems uncanny

messenger says...

That's not skill at all. That's just what glass does. A very shallow score with a glass cutter and the glass breaks along that line pretty reliably. Grade eight shop class FTW.

*nochannel

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Evolution's shortcoming is Intelligent Design's Downfall

shagen454 says...

Oh yeah, Science is definitely: " simply our way of understanding what our senses tell us". Smoke DMT... that is Science. After you do that... it takes maybe 5 minutes. Come back and let's talk about Science.

Dawkins is ABSOLUTELY trying to inflect on to the situation with his own agenda. My position is simply not the mainstream, sell-out point of view that the media & educational system taught me considering when someone is bringing up a "nerve", "evolution" & "intelligent design" that this somehow does not denote a motive? I can think for myself. Are you kidding me? I love Science more than anything... go and fucking read some Lanza.. go read that your standpoint is cookie cutter.

dannym3141 said:

If you want to focus on science, then whatever God you prefer - intelligent designer, whatever you want to call it - is completely out of the discussion. If anyone wants a scientific assessment of God, then it goes like this - "I cannot measure it with any instrument, i cannot infer its presence by its effect on something else. There is no way i can measure or quantify any aspect of God or the effect God might have on the physical universe, so why are you asking me about it?"

What is your point? I don't think Dawkins has ever said that he can prove "God" doesn't exist, and if he did he's wrong because you can't prove anything about something that doesn't exist; if it can't be measured or inferred or otherwise observed, it doesn't exist to science, because science is simply our way of understanding what our senses tell us. A non-measurable entity does not form part of that understanding if it has no measurable effect on anything we can sense. It's like asking how loud a smell is - it doesn't have that dimension to it, it's not a measurable quantity.

I'd also like to add that "i refuse to respond to responses to this" is about as arrogant a statement as you can make. "This is what i think, and regardless of any new information i can access about the situation, i will not have my mind changed and i will not even listen to the thing that may change my mind." That statement is pretty much anti-knowledge and anti-understanding and clearly demonstrates the futility of discussing science with someone who believes in so called "intelligent design."

As for talking about Dawkins being able to "create" the "tools for evolution of a giraffe".....? What on earth are you talking about? You just told the man to stick to science - but we have a working scientific explanation for evolution with gene mutation, time and selective breeding. You're the one injecting anthropomorphism into the mix (and worse, implying that Dawkins needs to disprove that nonsense explanation in order to stand so firmly behind the SCIENCE of evolution), he IS sticking to the science.



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