3D Printers For Peace Contest 273
First time accepted submitter Bas_Wijnen writes "3D printing is being condemned in the media because of the potential for printing guns. Engineers at Michigan Tech believe there is far more potential for 3D printers to make our lives better rather than killing one another. To encourage thinking about constructive uses of 3D printing technology Michigan Tech Open Sustainability Technology (MOST) Lab and Type A Machines sponsor the first 3-D Printers for Peace Contest. Designers are encouraged to consider: If Mother Theresa of Ghandi had access to 3D printing what would they print? What kind of designs could help reduce military spending and conflict while making us all safer and more secure? Anyone in the United States may enter and there is no cost."
Armor? (Score:5, Funny)
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I think I'll pass on the plastic armour.
Re:Armor? (Score:5, Funny)
Ghandi's protests were just people sitting down or standing without any protection at all. Perhaps one could emulate such a thing?
I guess you could 3D print a diner and then just sit in it.....
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Oooh, you just had to go the self-immolation route, you insensitive clod!
Oh, EMulate. OK.
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Dudes, Mother Theresa was a bitch.
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In later years, Gandhi would actually print up some kickass weaponry, then go party and have a steak...medium rare. [youtube.com]
Not sure what Mother Theresa would print. But I do know it would not be condoms or any sort of birth control devices for the impoverished masses in the Third World countries she worked in.
Re:Armor? (Score:4, Funny)
You got it all wrong. We're discussing "Mother Theresa OF Ghandi" ... time to load up google maps and discover this harbinger of peace who can program 3D printers. :)
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Not sure what Mother Theresa would print.
Maybe chains to help keep her strange little cult of suffering well-populated.
Re:Armor? (Score:5, Informative)
Not sure what Mother Theresa would print.
Nothing.
Poverty and pain are good for people. "'the most beautiful gift for a person that he can participate in the sufferings of Christ"
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Re:Just wanna say (Score:5, Insightful)
1. Stopping an attacker more quickly is often the important consideration to designers. Modern firearms achieve that 'more quickly' by increasing lethality. Hollow point rounds, Glazier slugs, and high capacity magazines are generally all methods of stopping more people faster, but the 'stopping' part converts pretty directly to killing more often, or in larger numbers, and trying to make a semantic distinction there is psychobabble. 'Stopping' by deterence is far from all 'stopping', and if we are talking logically here, show me one perp who has ever claimed he would have continued with his attack except he realized the pistol he faced had 17 rounds and not just 6. Yes, I'll freely concede that deterrance sometimes works. Hell, I've used it myself. Now what about all that other stopping?
2. I'm a former enlisted soldier who eventually took a comission as a military officer, and who has actually trained people with things the professionals call guns (up to 120 mm MBT pieces) and not just those silly pistols and rifles and such. I can't count the number of times I have disagreed with someone on the NRA right and recieved that lecture that starts with "Guns don't kill people...", as though anyone who disagrees with any point in their playbook must be that totally ignorant. I've had my claim to service challenged, by people who admit they have never served, but can't believe anyone who disagrees with them over any point at all might have given more to the USA than they did. I've had people tell me that only people who were wounded count as real patriots, or that Desert Shield/Storm didn't count as real combat or even real service, because I disagreed with an NRA talking point. I've had self professed NRA spokesmen accuse me of war crimes, saying without any evidence what-so-ever that if I really served at all, I was probably the kind of bad soldier who shot unarmed civilians and ran from real combat. Your post is more of the same - defending verbal tricks by insulting everybody who disagrees with you.
You don't know me. You probably didn't mean any of your remarks about illogical libtards and such to apply to me. But I have met enough of the people on your side that stoop to that that I do hold you responsible for standing alongside them. Please don't ever thank me for my service, it would sound too much like you spitting on it.
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Not the GP,
If you have served in any military then you know that guns do kill. That is their purpose. That is why they exist. For good or bad is not the question. You have probably seen the outcome of that.
Are guns designed to kill?
How many armed random people do you want around your neighbourhood?
I am not a soldier. Never have been and never will be hopefully.
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A slightly different question. How many people do you trust to handle a firearm safely?
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Thank you for having the courage to stand up to the nutjobs who would demean your service.
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The army prefers wounding people, they don't care about stopping power and they're not allowed hollow points. A 18 year old enemy who is shot dead, just gets a mass grave, no money for any wife or kids, that's it.
A wounded guy might still shoot for a couple of hours but sooner or later, they have to be dealt with, binding medical personnel, supplies, hospitals, transportation, logistics, disability, pensions etc, all things that hurt the enemy financially.
Check what the US has to pay for veteran care and yo
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"If Linux's foaming-at-the-mouth zealots harm the adoption of Linux, why don't leftism's zealots harm the adoption of leftism?"
They do.
Easy answer (Score:5, Insightful)
Designers are encouraged to consider: If Mother Theresa of Ghandi had access to 3D printing what would they print?
Bread.
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Salt
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Mother Theresa would no doubt have printed a medical tool for removing IUDs.
Re:Easy answer (Score:4, Funny)
Mother Theresa would no doubt have printed a medical tool for removing IUDs.
Which would have been totally useless since most of the countries and places she setup shop didn't have access to birth control to begin with. It'd be like me building a car in the middle of a desert. Okay, now I have a car. Cool. Now, what about the roads? Or fuel? Bread, on the other hand, is universal: No matter what your situation, bread is useful. Bread is life. Especially in places where she worked... nevermind the religious connotations of giving bread to the poor.
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"How much birth control does the average person give to impoverished nations?"
Not as much as we should, because it's unpopular with the religious lobby?
Re:Easy answer (Score:4, Interesting)
Mother Theresa would have printed signs reading "Non-Christian Clergy Unwelcome Here" so her nuns wouldn't have to say that as often as they did. 99% Hindu in Calcutta, but not one of them were permitted to see Hindu clergy once they entered the house of the "Ghoul Of Calcutta" (as locals referred to Mother Theresa).
Then there's her refusal to use FREE diagnosis charts, so her nuns could commit act after act of medical malpractice, because she felt her vow of poverty should extend to her patients. There was her refusal to accept FREE drugs pressed on her by pharmaceutical companies, because she felt her vow of poverty should extend to her patients. And then there was her $10,000 in FREE medical care that she accepted from the Swiss for herself, because "what vow of poverty?" Maybe she thought of that medical care as her very own jar of oil, rubbed on her feet by her Swiss doctors and wiped with their hair.
Then there was her fundraising for natural disasters, then taking the money and giving it to the Vatican instead of to the refugees from the natural disasters. And her acceptance of huge donations from warlords, and her simple refusal to return the money stolen from the warlord's citizens.
The woman did enough hateful things all on her own, very little of it relating at all to her Church's dogma.
The AC is right - salt (Score:2)
An AC replying to the parent nailed it - Gandhi would have made salt.
Not really, of course, but the point is that Gandhi led the Salt Satyagraha [wikipedia.org], a major civil disobedience movement protesting the British colonial salt taxes, which made it illegal for individuals to produce and sell their own salt.
I'll leave the analogies to others...
Re:Easy answer (Score:5, Funny)
I was thinking brains. They are dead and would have to be brought back as zombies so it is just logical.
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Maybe yeast culturing systems? Or a better, sealed bread box that supports humidity controls (desiccants)?
We can't print food (well, maybe meat, but it's not affordable at this point), but we could print things that help people better store and preserve food.
Of course we can't print salt either, the most historically used food preservative...
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Nah, she'd print statues of the Virgin.
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I was thinking rosary after rosary...
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print oil or other kinds of fuel? (Score:2)
print oil or other kinds of fuel?
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print oil or other kinds of fuel?
Cut down on the Star Trek, dork, and learn some real science. Even if rearranging atoms were possible, conservation of mass/energy means you have to also feed in the energy difference between the energy you get from the fuel that comes out and the energy available from whatever you put into the machine. That's the bare minimum; it's more because of process losses.
In other words, there's no free lunch (or oil).
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I knew a guy in grad school who made oil by putting animal crap in the microwave. I guess you could call the microwave an "oil printer" if you wanted to be colourful. You also didn't want to warm up your lunch in his lab.
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Ghee?
handcuffs (Score:2)
Teddy Bears (Score:5, Funny)
Guns are tools of the weak and afraid. They clutch them close to their chests to make them feel like they have some power in this crazy, cruel world.
But all we really want is love, approval, and security. Hence, teddy bears.
At least it's better than my first impulse to print a vagina.
3D printers are toys. (Score:2)
Re:3D printers are toys. (Score:5, Insightful)
3D printers, it is not what the poorer nations need.
Poor countries often have problems getting spare parts. They tend to have old no-longer-supported gear, such as tractors or irrigation pumps. Even when the parts are available they are too expensive to ship, or are pilfered by the postal workers. If a part for your pump or manure spreader arrives two months late, you have already missed the planting season. A printer that can make a part from a spec downloaded over a cellular network would come in very useful. You don't need one on every farm or in every shop, just within a day's walk.
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An even better solution? Stop buying fragile first-world machines that are designed with the assumption that first-world infrastructure is available. Something like the Global Village Construction Set makes *far* more sense in a developing nation. Sure, you pay as much for your butt-ugly DIY tractor as you would for a second-hand mass-produced model that's probably a bit superior when operating well. But your DIY mostrosity is damn near indestructible, easy to fix if you do break something, and the few
Mother Theresa is an unfortunate choice (Score:5, Interesting)
I think Mother Theresa would choose not to print anything.
She was a friend of poverty, not of the poor, and considered suffering to be a state of grace.
She was a rather nasty piece of work, who kept the poor in poverty, and prevented many dying people from getting access to medicine.
http://www.youtube.com/watch?v=9WQ0i3nCx60 [youtube.com]
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You can has some of my cheezburger since I blew all 15 of mine already...
Tomorrows another day...
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She was a friend of poverty, not of the poor, and considered suffering to be a state of grace.
She was a rather nasty piece of work, who kept the poor in poverty, and prevented many dying people from getting access to medicine.
Yeah, that sounds like a good description of someone who won the Padma Shri, Jawaharlal Nehru Award for International Understanding, Bharat Ratna, Ramon Magsaysay Award, the first Pope John XXIII Peace Prize, Pacem in Terris Award, Honorary Companion of the Order of Australia, Order of Merit, Honorary US citizenship, Albanian Golden Honour of the Nation, Balzan Prize, Albert Schweitzer International Prize, Nobel Peace Prize...
A real nasty piece of work she is, yup. It's amazing it's gone on for so long
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Hmm... it's not the relations with dictators that I find so repulsive, nor even her absolute opposition to abortion. Those might be what you call "slip-ups".
But she did, in fact, preside over awful standards of care, people were denied access to medical treatment, and suffering was not alleviated, because it was considered "spiritually noble". MT also campaigned agains family planning and contraception. So while, by religious lights, she might have been "moral", the effect was deeply cruel and wicked, keep
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But she did, in fact, preside over awful standards of care, people were denied access to medical treatment, and suffering was not alleviated, because it was considered "spiritually noble".
I have previously looked into those allegations. While she may have believed "suffering is good for the soul," it wasn't so much a denial of pain medication as a lack of access to them. Many of these clinics that were setup were in places where access to any medical care was absent.
MT also campaigned agains family planning and contraception.
Which, as someone who isn't a medical professional, I have no special problem with. I disagree with it philosophically, but I defend her right to say it.
...keeping people in poverty and away from real medical care.
You should point the finger at the governments that turned a blind eye to t
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There seem to be quite a lot of references, usually well researched and with eyewitness testimony about poor care. Cases where her victims suffered and died because they went to her care centers, rather than to the existing hospitals. Not to mention the awful waste of giving money to support missionaries rather than medical care. Another example: http://futiledemocracy.wordpress.com/2011/03/28/the-curse-of-mother-theresa/ [wordpress.com]
As for defending the right to oppose contraception... yes, I agree with you in a Weste
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Another example: http://futiledemocracy.wordpress.com/2011/03/28/the-curse-of-mother-theresa/ [wordpress.com]
Of all the things you say you can cite about this, you choose something with the words "futile democracy" and "the curse" in it? Do I even need to look at it to know it's biased?
But in many less secular societies,
Where, exactly, are you going with this? So what if some people think that; It doesn't make it right. You even say so. So at best this is a populist argument.
Also, we do actually need the occasional contrarian. Our democracy is weak enough without further deference to the strong, wealthy and powerful! Also, to be a "troll", it's usually implicit that the argument itself is weak. I've not yet seen Hitchens lose a debate.
He lost to Death. I have yet to see anyone win that argument. And I get that you're some kind of Hitchens fan, but maybe he won every last debate he had... but he lost in the c
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There's a difference between "defending someone's right to say something" and arguing that they are a model human being. I'm sure you can think of a few examples of nasty things that people have said in the past (e.g. Fred Phelps or the KKK) where you might say "they have a right to say it" bu
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There's a difference between "defending someone's right to say something" and arguing that they are a model human being.
Hey, I'm glad you figured that out man. But I'm not arguing she's a model human being... Those twenty-odd rewards, public opinion polls, and numerous committees and governments are arguing she's a model human being are.
Pointing out that some governments acted worse than Mother Teresa doesn't elevate Mother Teresa into a model human being. That's a cheap tactic, actually.
See, I'm a [wo]man of simple tastes. I like dynamite and gunpowder and gasoline. Do you know what all these things have in common? They're cheap. ... And effective.
If I went and robbed my neighbor and people blamed me for doing it, it would be a poor arguing tactic to start pointing out other people (serial murderers, etc) who are worse than me that "everybody should be pointing the finger at".
Oh look, a strawman. Okay, let me point out the epic fail of you here:
Scenario A: A government neglects its citizens medical care
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Those are not 'arguments'. Those are statements, and the apparent unanimity you highlight emphasizes just how much they are NOT arguments at all, but blind, popular adoration on par with Bieber fever.
If you wish I could drag out a very long laundry list of once-popular things (people, social customs, 'scientific' ideas, wha
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Those are not 'arguments'. Those are statements, and the apparent unanimity you highlight emphasizes just how much they are NOT arguments at all, but blind, popular adoration on par with Bieber fever.
If all those awards were granted based on popularity, you might have a point. But these aren't just committees of private people, but governments offering things like honorary citizenship and awards that are only rarely handed out, and the people handing them out vet it carefully.
You're saying that entire branches of major world governments have "bieber fever". I'm sorry, but that's an incredibly stupid thing to say. I'm not even going to dignify the rest of your post with further commentary -- it's suffici
Re:Mother Theresa is an unfortunate choice (Score:4, Informative)
The fact that there was virtually no controversy over these events is not evidence that they didn't happen. It is evidence that the public at large didn't care because once she reached a certain level of fame she was far more useful as a figurehead for anyone to bother looking at what she'd actually done.
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And was any of that money spent on painkillers for the people dying in agony (apparently not all of whom came in with fatal injuries) in her hospice? No. Didn't you know that suffering brings you closer to Jesus? He
Re:Mother Theresa is an unfortunate choice (Score:4, Insightful)
The fact that there was virtually no controversy over these events is not evidence that they didn't happen.
Everyone moderating me down on these later replies, because if there's one thing us Americans love more than sex, it's watching famous people get cut to pieces. But for your statements to be true, thousands of people who's credibility is at stake if they get it wrong vetted this person and found no problems. She didn't get a Nobel Peace Prize for eating babies and screaming "SATAN!" ... she got it for improving the lives of millions.
Now you can pitch your conspiracy theory like everyone else here, and collect mod points from the "We Love Watching Bigger People Than Us Fall" crowd, or you can look at this objectively: There's no way so many people could look at her life and so few find a problem.
We laugh when people deny climate change here and call them retarded, but the moment someone says someone who was fiercely religious has done real and considerable good, it's grab the pitch forks and haraaaaaah...
Who's wearing the tinfoil hats now, mmm?
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I suspect she would choose to print statues of Mary.
Re:Mother Theresa is an unfortunate choice (Score:5, Interesting)
Re:Mother Theresa is an unfortunate choice (Score:4, Insightful)
So you're saying she was a Republican?
Backwards. The party with a vested interest in keeping people dependent on professionals who dole things out to them is the Democrats. That's the backbone of their entire constituency and the framework within which they describe everybody: needing a handout, or needing to be used to pay for handouts. Without playing middlemen to that one-way street, there would be almost not power in that camp. And so they seek to preserve it at every turn.
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So you're saying she was a Republican?
Backwards. The party with a vested interest in keeping people dependent on professionals who dole things out to them is the Democrats. That's the backbone of their entire constituency and the framework within which they describe everybody: needing a handout, or needing to be used to pay for handouts. Without playing middlemen to that one-way street, there would be almost not power in that camp. And so they seek to preserve it at every turn.
No, the guy to whom you replied got it right: Republicans are the most dependent on a culture of people dependent on professionals who dole things out to them. Red States are more dependent on the Government Dole [slate.com] than Blue States, because Red State policies create a constituency which needs a handout just to survive [cnn.com]. Poverty-stricken, uneducated white people vote Republican more often [guardian.co.uk] than middle class educated people (who tend to vote Democrat [politifact.com]), so Republicans seek to preserve a constituency trapped in p
Si vis pacem, para bellum (Score:3, Insightful)
2,000 years of history says they have the wrong idea.
Peace dude. (Score:2)
An answer for every question. (Score:2, Insightful)
That's easy!
Mother Theresa would 3D print destitite people suffering from horrible diseases, so that she could lock them away in 'hospice' where they will be denied medical care, pain management, and be denied visitors -- even their 3D printed family.
Ghandi would print naked, pre-pubescent girls to sleep with, so that he can 'prove his piety'.
Come on Slashdot, what's with the softball questions?
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Mother Theresa would print a Plastic Jesus [wikipedia.org] for the Popemobile, and Gandhi would print a dildo for Mother Theresa.
WWJP?
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Maybe she'd print bracelets with "WWJP" on the side.
i think south africa won already (Score:2)
just google '3d printed hand boy' and bring the tissues
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Funny how Google gives those personally tailored results!
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Also, see this: http://www.cnn.com/2013/05/22/health/baby-surgery/index.html [cnn.com]
tl;dr a 3d-printed splint to open a baby's airway
amazing (Score:2)
i was going with el-cheapo printers but you went professional.... im guessing lots and lots of doctors are starting to use this stuff
Guns ARE the Peace Initiative (Score:2)
The NRA told me so. The more guns we have the safer we will be.
Oh, and chocolate rations are being increased again.
This just in (Score:2)
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The two causes are not mutually exclusive, and I say this as a gun enthusiast who would not fire a 3D-printed gun with his own 2 hands.
I shoot with my 3D printed hand. You should see the looks on peoples' faces when I have my hands in the air, and suddenly the 3D printed hand whips out a 3D printed gun and shoots them right between the eyes.
3D printing is being condemned in the media... (Score:2)
Because the media and all their "analyst" guests are ignorant, myopic, ratings-chasing, fear-mongering drama queens. Their reaction to "the potential for 3d-printed guns" is just one more manifestation of this. The Liberator may have been downloaded 100k times, but I bet at least 80% of those people don't even have a 3d printer (and never will), and less than a dozen of them will actually get printed.
Re:3D printing is being condemned in the media... (Score:4, Insightful)
Teeth. (Score:5, Interesting)
Sintered ceramic teeth -- dentures and bridges, faster and more accessible dentistry.
Salt (Score:2)
Peaceful Printers (Score:2, Insightful)
If Ghandi had been able to print guns, maybe the Indians would have been able to eject the British sooner, and with fewer innocent Indian deaths.
Mother Teresa would not have printed anything to help people. She spent most of the money she raised on building convents, not on the poor. Mother Teresa wanted the poor to suffer, because she thought it made her closer to Jesus. [slate.com]
I have a great suggestion for using 3D printers to promote peace: build guns, since the worst violence of the 20th century was from auth
Gandhi was a gun rights advocate (Score:2)
"Among the many misdeeds of British rule in India, history will look upon the Act depriving a whole nation of arms as the blackest."
- Mohandas Gandhi, an Autobiography, page 446.
Hmm, Humans are obsessed with 2 things. (Score:2)
Humans are pretty much obsessed with 2 things, well, actually, all lifeforms are: Killing and Sex.
Things eat other things to live, even trees try to poison the ground or overshadow undergrowth to kill the other plants so that they may survive... So, if we can't do the violence thing, then it's the other one.
DILDOS FOR ALL!
Make Love, not War! (Score:2)
Yeah, that's about it.
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maybe you can combine the two obssession into... dildo-bayonettes
Comment removed (Score:5, Insightful)
Weird focus on killer when can almost print liver (Score:5, Insightful)
Now you're just encouraging infringement (Score:2)
Those designs will be protected by IP laws. And what will they say when you can pirate the design for a new liver?
"Drink up, me hearties, yo ho!"
You're just asking people to infringe IP (Score:2)
I mean, these liver designs will be protected by IP laws. So what will we hear when the pirates steal this work and you can print a new liver on your own home machine?
"Drink up, me hearties, yo ho!"
Mother Theresa of Ghandi? (Score:2)
That's a typo (well, 2), but it is interesting that they picked these two, which shows that they understand basically nothing about the philosophy and work of either figure.
Here is a hint - Mother Theresa did not treat the dying, only comforted them, and Gandhi believed in rejecting technology and returning to a simpler era. So, the simplest answer for both is, nothing.
Another 3d printer (Score:2)
Another 3d printer. Everybody knows that capitalism is peace. This way, the 3d printer is just another form of money that creates its own interest. Eventually we'll be up to our necks in printers. We'll be so rich and it'll spawn fabulous new businesses like 3d-printer landfill operations, 3d-printer recylcing, and 3d-printer central banks to slow or speed up the production of 3d-printers.
Why only US? (Score:3)
Why would they limit this to the US? That's only a small portion of the world's population. And not the most peaceful country in my mind, too, with all those guns around and wars they started and so.
And on top of that, both Mother Teresa and Mahatma Ghandi are not Americans either.
Some of these things are not like the others (Score:5, Insightful)
I really, really want to be for this. Not because I have anything against 3D-printed guns, I'm all for those, but because some of the things on their list are good ideas and make sense. Some of the other stuff is pure nonsense, however.
"Low-cost medical devices." Excellent idea. "Tools to help people out of poverty." Also excellent. Lots of potential in both of these to improve, and in many cases save, people's lives.
But then we get to "Designs that can reduce racial conflict." Err, what? Someone is waaay overestimating how effective their "Coexist" bumper sticker is. It would be nice if 3D printers could produce some sort of object for people to brandish at racists like crucifixes at vampires, but it's not going to happen. "Tools that would reduce military conflict and spending while making us all safer and more secure." Look, I'm for reducing conflict and increasing safety and security, too, but if an object to do that hasn't been created using more-mundane fabrication methods, a 3D printer won't be able to make it, either -- and there aren't any such objects, unless (like me and apparently unlike the folks sponsoring this) you think that being armed makes you more secure.
This is being run by Michigan Tech's Department of of Material Science and Engineering, but it looks like someone from one of the squishy majors snuck in and added items to the list. I hope there are a lot medical and tool ideas submitted (pity they don't have a way to donate money to increase the prize), but I really wish they hadn't included the silly, groan-inducing stuff.
Maybe this? (Score:2)
http://www.thingiverse.com/thing:52538 [thingiverse.com]
Guns do make life better (Score:2, Funny)
Engineers at Michigan Tech believe there is far more potential for 3D printers to make our lives better rather than killing one another.
Guns aren't for killing one another.
They are either for sport, or for keeping people from killing/harming you.
Guns have historically protected groups that might otherwise just have been removed altogether. Travel back in time, ask Martin Luther King and his followers how "bad" guns are.
It's nice that 3D printers can make our lives better in other ways too, but we should n
Proof (Score:2)
Medical use of 3-D printer (Score:2)
In a bit of convenient timing, found this news story [cnn.com] via Instapundit a few minutes ago, about medical use of a 3-D printer saving a baby suffering from a rare lung ailment.
With hopes dimming that Kaiba would survive, doctors tried the medical equivalent of a “Hail Mary” pass. Using an experimental technique never before tried on a human, they created a splint made out of biological material that effectively carved a path through Kaiba’s blocked airway.
What makes this a medical feat straight out of science fiction: The splint was created on a three-dimensional printer.
Here's hoping that the competition helps stuff like this.
Who needs a 3D printer to make a gun? (Score:5, Interesting)
$20 or less at Home Depot will buy you everything you need to make a .410 or 12 ga. shotgun. No machining required, either.
The Reason for all the Scaremongering? (Score:5, Insightful)
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2 words: Dill dough
For pickle bread?
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If you want peace, then prepare for war.
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First all, reprap doesn't print a printer. It prints a kit which you can assemble into a printer. Sure a kit can be useful, but it's not the same thing as printing an actual usable printer.
Secondly, reprap prints only the plastic parts of the printer,but misses out on the electronics and few metal components which are actually required to make a complete functional device, and which must be purchased separately.
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Guns are a "high karma" device. Capable of great good and great evil.
On the one hand, they can be used to defend the innocent, save lives, and fight evil. On the other they can be used to kill the innocent, take lives and cause great evil.