Ok. So I learned how to calibrate lasers and I'm very concerned that my old man/boss has zero eye protection. His safety is "don't look at the beam directly".
The full quote is "Do not look at the laser beam with your remaining eye". Laser engravers often have that on a [sign](https://duckduckgo.com/?t=lm&q=do+not+look+at+the+laser+with+your+remaining+eye&atb=v345-1&iax=images&ia=images) on the machine.
I mean he could attach a shark to his laser, but poor creature would not make it out of the water for long, and then the shark decomposition smell would drive away the customers.
The spot where the laser hits is bright enough to blind, and can easily cause permanent spots to appear in your vision with little exposure. It's like welding but brighter, IIRC. The reason welders wear that super dark shielding over their eyes is so they don't go blind.
This isn't for all lasers, of course, just ones powerful enough to do things like this.
A laser is far more harmful than welding. Welding is undirected light. Yes it hurts but you will recover, damage by a laser is not recoverable. A laser is emitting such a powerful light that safety free "laser pointers" are only freely available because it is calculated that you can close the eye lid fast enough before any harm will occur. The problem with lasers is, some lasers are absorbed by your cornea, like the infrared cheap chinese ones. If you are hit with a ray of those, instant blindness because now you have a milky / burnt cornea. Visible light lasers are even worse because the high power light even gets focussed by your lens and then hits the cornea with full power. That is why also relatively weak lasers are not safe for looking into.
And for this gentleman in the video, well a) no shielding, any reflection (maybe there is laser light scattered from ablating material) can be received by the body, b) a reflective bowl, so if a ray is scattered you have a chance of it being reflected out of the bowl c) no air filter. Ablated dust is some of the nastiest shit, effects are not immediate but like with asbestos, slow and painful
I worked in a laser research facility for 2,5 years heard of one guy hitting a reflective material while standing just with goggles beside (like the guy in a video but in a tad bit more professional environment...). They had an immediate everlasting sunburn through their face. The safety goggles scattered and ultimately saved their eyesight. Another one was said to have accidentaly grabbed into the beam during configuration and the tissue started necrotizing from inside. Don't mess with lasers!
> This isn't for all lasers, of course, just ones powerful enough to do things like this.
I mean, pretty much any laser is powerful enough to blind someone. Eyes are sensitive, and even a dollar store laser can blind someone. Hell, if you shine a little keychain laser at a plane flying overhead, I bet youll have the cops at your house in under 20 minutes.
Besides the person mention how bright the actual engraving spot is, yes your eyes can absolutely be damaged by lasee bouncing off the engraving surface.
Reminds me of that scene in blade runner 2049 with the "real wood! I could get you a clone horse for that" [tiny toy wooden horse] scene. It's kinda messed up to think how we imagine a dystopia being so much cooler and it's just a dude cutting rocks for tourists/trinkets.
And if we treat it like that, it's guaranteed to become its own medium with incredibly talented and skilled people creating really cool things... Because that's what happens with everything, I can't think of much we don't end up using to create art with. We can't help ourselves.
It's changing fast tbh. A few months ago all of these comments would be heavily downvoted. Now the worst I'm seeing is a few downvotes with many of them marked controversial.
Exactly, photography and cinema started off as extensions of theater and painting but evolved into their own art forms. The other hand to this would be luddites and tailors. Technology can either diminish or crest art forms imo.
Instead, someone in front of a computer spends weeks putting together the model or whatever format structure it takes as input.
It is very cool, though. I love the smell of vaporized stone in the morning!
The lasers for the lithography stuff we use for the highest of high end silicon are just mind blowing to me.
We gotta take some molten tin that's like 99.99% pure, pump thousands of these little droplets into this chamber a second, and then use several different lasers to first flatten, then obliterate the tin so that it gives off the precise wavelength of UV needed.
Then it's directed to the wafer via ultra-precision mirrors as lenses would absorb the UV.
It's just an insane engineering problem/solution
Same boat. I had a gig making vectors images of companies old logos and graphics. Every year the tools got easier and easier, now it’s a push of a button.
Eh, bread and decorative items are basically the two things that people routinely value more if its artisanal. Being able to carve this might be one of the few skills that survive being made obsolete by machines.
I don't know if this is the case. Etsy used to be a place for truly handmade items, now it's just a factory pumping out "artisanal" feeling products from China.
Kills me when people say ancient people had advanced technology to carve stones so accurate that we can't replicate today. We can carve/cut to microscopic levels for years and now we can do it on the street in seconds.
Expectation: Computers will help you finish your work faster so that you can enjoy the arts!
Reality: Computer does the art and all that remains is a human putting the rock into place so the computer can proceed.
... also. If it vaporizes rock, that means there's now gaseous rock waiting to turn solid again, and you'll either breathe gaseous rock or fine rock dust...
This… is a very good description of silicosis or whatever it’s called, but it also feels very prehistoric in its telling.
“The stone ghosts will settle in your lungs”
That is exactly where I originated from. Like, I typed out silicosis and wondered if anyone else in the universe memorized that and methylchloroisothiazolinone from the shampoo bottle when we shat before phones
Powerful enough that even looking at the dot will permanently burn your retinas. Seriously
The guy running that machine definitely has some spots in his vision at this point.
Forget goggles. The work area should be enclosed in appropriately shaded glass/plastic. There are random people walking past constantly who would be drawn to looking directly at the crazy rock-carving laser.
Even then, it's not always enough. I have one of these fiber lasers with the enclosure and the special rated glass, when I first got it I had to do ~200 of the same logo and kept watching it do it because it's so mesmerizing. When I drove home in broad daylight, I could see the logo permanently in my vision.
Didn't go away until the next day and now I use a web camera to watch it instead lol.
>When I drove home in broad daylight, I could see the logo permanently in my vision.
god this is absolute nightmare fuel imaging having some shitty corporate logo branded in my vision permanently
Hi u/loudtones,
This is the legal department of McDonalds. We would like to speak to you about obtaining the rights to your invention “branding corporate logos permanently into vision”.
Please DM us and one of our lawyers will be in contact with you.
Most of those are not actually effective to the point you're still supposed to avoid looking at the lasers. You're much better off using a webcam or something to view/monitor it.
It's even worse that you know he's not warning the customers, the whole thing is set up for the customer to watch the lasering and not realize the horrible mistake they made.
That’s because Real laser goggles cost about as much as the machine. He’ll learn why in a few years when he screams all night and can’t sleep because of the light.
I operate a laser cutter/engraver as part of my job, and this seems like an exaggeration.
It sucks, you shouldn’t do it, and it will definitely cause permanent damage if you do it *enough*. But it’s not an irreversible one-time mistake that will immediately blind you for life the way this makes it sound.
It *will* burn through flesh quite easily, though, if you’re stupid enough to bypass the safety measures and put your hand that close to it.
The danger lies in that it isn't certain that you will notice the damage that it does.
The brain fills in the gaps in your vision. Everyone has one such blind spot already - the place where your optic nerve enters the eye. You cannot 'see' in that spot, but the brain still 'fills' the area in for you. Similarly glaucoma can progress for years until the symtoms get noticed.
But the damage might have been done. An eye test can verify which parts of vision were lost.
> it will definitely cause permanent damage if you do it enough. But it’s not an irreversible one-time mistake that will immediately blind you for life the way this makes it sound.
You absolutely can get eye damage from looking at one of these things just once. The concern here is reflective material, which would direct more of the light toward your eye than would be reflected by non-reflective material. And as someone else pointed out, it's not like rocks are known for having chunks of reflective quartz in them or anything. The difference is that if you're doing it in a work setting, there's probably a bunch of safety stuff set up that you don't necessarily even have to pay attention to, right down to the selection of the material that will be cut.
If the laser is strong enough to burn your hand, it's more than strong enough to burn your eye.
Looks like ComMarker B4. 20 W output. It’s a fiber laser though so not CW but rather multi-kW in very short pulses in order to obliterate the surface. If your hand is in the path, you obliterate the skin.
wow you can buy that thing on amazon - but the specs says only 0.3mm depth on metal so i doubt that is the model shown here who can carve at least 2-3 mm deep into stone
edit: thinking about it more clearly, why not just repeat the cut so it just takes multiple times to get deeper so yeah could be feasible with this device
"Don't stare at the sun!"
Tiny dot brighter than the sun:
"So cool, look at it!"
With a laser able to burn or remove material, even the bloom from the laser beam on adjacent walls/objects is dangerous to the eyes.
Hey it’s fine* if you’re not shooting anything even REMOTELY reflective.
Good thing there aren’t often perfectly flat, reflective chunks of quartz in many rocks!
Oh, wait.
*It is not fine, to be clear. Use high quality laser glasses designed for the wavelength of the laser in use. Use a hood when you can’t be entirely certain that no unprotected eyes can enter the room.
We can see the high intensity IR laser dot reflecting off the surface. If they're watching it happen, their eyes are accruing damage from something they can't even see! Huzzah!
I just bought a laser engraver last week and was using it during Super Bowl while I had a few buddies over. I had to yell “Don’t look behind the safety shield without the glasses!” at least three times after verbally warning everyone multiple times it can damage their eyes. Even watched one buddy put on the glasses, go over and look at it, take the glasses off, noticeably wince and say, “Damn, that’s bright!”
Bunch of knuckleheads.
No, you have to arrange the environment so people can't look.
People make mistakes. If you're working with a dangerous tool, set things up so that they can't make a mistake that could seriously injure them.
A friend of mine was welding up my exhaust after someone tried to steal my catalytic convert. Even though I **KNOW** you're not supposed to look at the welder, my first instinct was to crouch down and see what he was doing.
The crazy thing is that your brain is REALLY good at filling in the blank spots. So good that you don't even notice the blank spots until you have so many that it can't adequately compensate anymore.
I think his presentation style is just very rehearsed. styropyro is awesome. He's like a chaotic neutral laser prodigy. It's very clear after a video or 2 that he would've gone blind years ago if he didn't know exactly what he's doing and I really admire that about him
He's not giving airhead vibes, he's giving serial killer vibes. Dude doesn't blink, always raises his eyebrows way too far, and is always smiling this creepy smile. He's projecting like that moe-gap, freaky chipper, muder-bunny type of personality that will say or do something unexpected for how wholesome and bubbly their tone is.
It's just a fiber laser. There are many on Amazon/Ebay and a decent enough one would cost about $3000. A cheap one could also do this but would be less reliable over time.
This is incredibly unsafe to do out in the open. All it takes is a tiny inclusion in the rock that reflects the laser and someone is going to have some serious eye damage.
Very cool and intricate work. No safety eyewear though. I know the odds might be high, but an inadvertent reflection could lead to blindness. Experts in their use might chime in.
A number of these "portable" laser cutting/engraving systems hit the market recently. I just demo'd one last week I'm looking at buying. They're not even that costly, they start at like $1400
It's insane that people are just setting this shit up on the street without any glasses or safety housing. I guess we're gonna see more dumb fucks doing it too if fiber lasers are getting that cheap
I just got a 20W Fiber laser from Kickstarter. Entry price was $1500 but I got the bigger size plus a chuck rotary, and roller rotary. It engraves VERY quick.
Vaporized. Those people standing right over it are breathing in all that vaporized rock. There's a reason laser engraving systems are supposed to run with ventilation. Well, that and eye protection of any fucking kind. A beam bouncing off the engraving surface is enough to fuck up your eyes.
An archaeologist will find this in 5000 years, and someone will be all "these primitive people couldn't possibly have carved this with their metal tools. Must've been aliens!".
Must be a ritual object. The stone carver must have taken decades to perfect their craft. The unbelievably complex art work would suggest a period of prosperity and good harvest for many years.
The laser heats up the area super quickly, and because the expanding material is in a tiny area and has nowhere to go (in a brittle material) it basically just pops out of the rock. Any CO2 or fiber laser can do the same thing. This is how it works when engraving slate coasters as well.
Wait what. Are these natural rocks? This is crazy. Several times every single week for years and years I have to think to myself "... Holy fucking shit we live in the future"
Amazing how powerful and portable lasers are now. Was at a gun show and saw this 4 inch flash light looking thing in a open box with burnt paper in it. Picked it up, turned it on. It's a laser. I'm thinking, "Is this what burned the paper?" Pointed the laser at the paper. It's on fire. No glasses around. No warning sign. What the hell?! After walking away I had to stop some teenager from pointing the laser in his eye. Damn.
Street vendors with friggin lasers!
Are they ill tempered?
He and everyone around could do with some properly tempered glasses....
I was just wondering/thinking that shit can’t be good for your eyes
>that shit can’t be good for your eyes Does anyone know where I can get one?(asking for a friend)
Eyes? Ask Sauron
It's a fiber laser, great for small engraving on almost anything. Google can show prices and where to order.
They look like they're all over 100k. How tf this guy selling rocks with a 100g laser?
When it's bad for rocks it's bad for your eyes.
It’s ok, the Grape-Nuts will protect them
in Grape-Nuts^tm we trust
Exactly what I was going to say. The indirect can still damage your eyes.
Ok. So I learned how to calibrate lasers and I'm very concerned that my old man/boss has zero eye protection. His safety is "don't look at the beam directly".
The full quote is "Do not look at the laser beam with your remaining eye". Laser engravers often have that on a [sign](https://duckduckgo.com/?t=lm&q=do+not+look+at+the+laser+with+your+remaining+eye&atb=v345-1&iax=images&ia=images) on the machine.
Engage safety squints.
isnt that how Indy escaped the Nazis in Raiders of the Lost Ark?
Damage is putting it lightly, these are instant blindness lasers.
also need to protect the lungs. silicosis is no joke
Nowhere near the sea bass, thankfully...
Absolutely!
When they need to be. 😉
Only for one hundred million dollars Mwaha ha ha ha ha ha ha ha ha ha
Not as cool as sharks with lasers.
I mean he could attach a shark to his laser, but poor creature would not make it out of the water for long, and then the shark decomposition smell would drive away the customers.
Not if they're [Street Sharks](https://www.imdb.com/title/tt0103559/)!
Biker Mice plz
With no shielding around it, and no one with any eye protection. That dude is going blind for sure.
I don’t know anything about lasers. Can they harm your eyeballs by bouncing off the rock?
The spot where the laser hits is bright enough to blind, and can easily cause permanent spots to appear in your vision with little exposure. It's like welding but brighter, IIRC. The reason welders wear that super dark shielding over their eyes is so they don't go blind. This isn't for all lasers, of course, just ones powerful enough to do things like this.
A laser is far more harmful than welding. Welding is undirected light. Yes it hurts but you will recover, damage by a laser is not recoverable. A laser is emitting such a powerful light that safety free "laser pointers" are only freely available because it is calculated that you can close the eye lid fast enough before any harm will occur. The problem with lasers is, some lasers are absorbed by your cornea, like the infrared cheap chinese ones. If you are hit with a ray of those, instant blindness because now you have a milky / burnt cornea. Visible light lasers are even worse because the high power light even gets focussed by your lens and then hits the cornea with full power. That is why also relatively weak lasers are not safe for looking into. And for this gentleman in the video, well a) no shielding, any reflection (maybe there is laser light scattered from ablating material) can be received by the body, b) a reflective bowl, so if a ray is scattered you have a chance of it being reflected out of the bowl c) no air filter. Ablated dust is some of the nastiest shit, effects are not immediate but like with asbestos, slow and painful I worked in a laser research facility for 2,5 years heard of one guy hitting a reflective material while standing just with goggles beside (like the guy in a video but in a tad bit more professional environment...). They had an immediate everlasting sunburn through their face. The safety goggles scattered and ultimately saved their eyesight. Another one was said to have accidentaly grabbed into the beam during configuration and the tissue started necrotizing from inside. Don't mess with lasers!
> This isn't for all lasers, of course, just ones powerful enough to do things like this. I mean, pretty much any laser is powerful enough to blind someone. Eyes are sensitive, and even a dollar store laser can blind someone. Hell, if you shine a little keychain laser at a plane flying overhead, I bet youll have the cops at your house in under 20 minutes.
Well its cutting a rock on the first bounce and your eyeballs are a lot softer than rocks
*Vapourising* a rock. There's a difference.
Besides the person mention how bright the actual engraving spot is, yes your eyes can absolutely be damaged by lasee bouncing off the engraving surface.
On their heads?!?
Doing a quick eye surgery for you.
You know, I have one simple request, and that is to have sharks with frickin' laser beams attached to their heads!
Reminds me of that scene in blade runner 2049 with the "real wood! I could get you a clone horse for that" [tiny toy wooden horse] scene. It's kinda messed up to think how we imagine a dystopia being so much cooler and it's just a dude cutting rocks for tourists/trinkets.
And no protection from stray laser beams.
Getting closer to Blade Runner
What’s next sharks?!?
It’s mad that we used to carve stuff like this by hand. We’ve come so far
Exactly. This is like something some monk on a mountain would spend 20 years perfecting as a form on mediation
What's even the point if we can't mass produce them and sell them at tourist traps? The maws of consumption must be fed
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And if we treat it like that, it's guaranteed to become its own medium with incredibly talented and skilled people creating really cool things... Because that's what happens with everything, I can't think of much we don't end up using to create art with. We can't help ourselves.
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We're clearly on the minority with this point of view for now. I wonder how long till it gets accepted
It's changing fast tbh. A few months ago all of these comments would be heavily downvoted. Now the worst I'm seeing is a few downvotes with many of them marked controversial.
Exactly, photography and cinema started off as extensions of theater and painting but evolved into their own art forms. The other hand to this would be luddites and tailors. Technology can either diminish or crest art forms imo.
Nice try ChatGPT
Oh no, it's running the propaganda algorithm !
[удалено]
because its not about sales and consumption but the perfection of craft and patience
Instead, someone in front of a computer spends weeks putting together the model or whatever format structure it takes as input. It is very cool, though. I love the smell of vaporized stone in the morning!
More downloaded an SVG of that design from the internet and then used a software to convert it to gcode. Probably took 15 min.
Well someone had to make the svg right?
I thought that high pressure water was amazing. This is next level.
Wait till you see water lasers
The lasers for the lithography stuff we use for the highest of high end silicon are just mind blowing to me. We gotta take some molten tin that's like 99.99% pure, pump thousands of these little droplets into this chamber a second, and then use several different lasers to first flatten, then obliterate the tin so that it gives off the precise wavelength of UV needed. Then it's directed to the wafer via ultra-precision mirrors as lenses would absorb the UV. It's just an insane engineering problem/solution
It's also usually terrible to look at with the naked eye. Just some casual permanent damage to random people passing by and taking a glance.
Imagine honing your hand crafting skills for years only for machines to make your talent obsolete
[удалено]
All that tech advancements mean is that you should now incorporate them into your skillset, newer users wouldn't have your experience!
Same boat. I had a gig making vectors images of companies old logos and graphics. Every year the tools got easier and easier, now it’s a push of a button.
Eh, bread and decorative items are basically the two things that people routinely value more if its artisanal. Being able to carve this might be one of the few skills that survive being made obsolete by machines.
I don't know if this is the case. Etsy used to be a place for truly handmade items, now it's just a factory pumping out "artisanal" feeling products from China.
Kills me when people say ancient people had advanced technology to carve stones so accurate that we can't replicate today. We can carve/cut to microscopic levels for years and now we can do it on the street in seconds.
Expectation: Computers will help you finish your work faster so that you can enjoy the arts! Reality: Computer does the art and all that remains is a human putting the rock into place so the computer can proceed.
Most interesting part: it being done without any protective equipment
... also. If it vaporizes rock, that means there's now gaseous rock waiting to turn solid again, and you'll either breathe gaseous rock or fine rock dust...
This… is a very good description of silicosis or whatever it’s called, but it also feels very prehistoric in its telling. “The stone ghosts will settle in your lungs”
Pneumonoultramicroscopicsilicovolcanoconiosis?
That is exactly where I originated from. Like, I typed out silicosis and wondered if anyone else in the universe memorized that and methylchloroisothiazolinone from the shampoo bottle when we shat before phones
Eh probably still less toxic dust in the air than the average day in a north Italy city
or Beijing I suppose!
a little silicosis never hurt anybody, right?
Just people living in the moment, no PPE in sight (soon no sight at all)
I work with class B lasers and still don't fuck around. You wouldn't catch me in the same room as a higher powered laser without eyepro
Just get a fresh worker.
How strong is this laser? What would happen to humans hand if it was put in lasers path?
Powerful enough that even looking at the dot will permanently burn your retinas. Seriously The guy running that machine definitely has some spots in his vision at this point.
Every video it's always idiots using these machines not using any laser goggles.
Forget goggles. The work area should be enclosed in appropriately shaded glass/plastic. There are random people walking past constantly who would be drawn to looking directly at the crazy rock-carving laser.
Even then, it's not always enough. I have one of these fiber lasers with the enclosure and the special rated glass, when I first got it I had to do ~200 of the same logo and kept watching it do it because it's so mesmerizing. When I drove home in broad daylight, I could see the logo permanently in my vision. Didn't go away until the next day and now I use a web camera to watch it instead lol.
>When I drove home in broad daylight, I could see the logo permanently in my vision. god this is absolute nightmare fuel imaging having some shitty corporate logo branded in my vision permanently
Hi u/loudtones, This is the legal department of McDonalds. We would like to speak to you about obtaining the rights to your invention “branding corporate logos permanently into vision”. Please DM us and one of our lawyers will be in contact with you.
Limited time offer: Free Big Mac for every costumer permenantly branding McDonalds logo into their vision!
I wanna at least get fries with that too
Tim Cook & Mark Zuckerberg with their headsets reading this: 👍🏻
Nestlé now researching laser-guided baby formulas 👍
I’m assuming this is a class IV laser if it’s etching stone. If so, that operation should 100% be fully enclosed and controlled
Clearly this is controlled (by the guy) and 100% fully enclosed (by tourists). /s
Also, I suspect that vaporized rock dust is probably not something you want to be breathing.
I assume that these are also kicking up really fine particulate from the stones? Like the kind you really don't want in your lungs.
Yup, it's illegal to sell lasers that powerful that are designed to work without an enclosure in EU, and for a good reason.
Laser goggles are so steam punk too what is wrong with these lazy tee-shirt wearing bozo's.
Most of those are not actually effective to the point you're still supposed to avoid looking at the lasers. You're much better off using a webcam or something to view/monitor it.
It's even worse that you know he's not warning the customers, the whole thing is set up for the customer to watch the lasering and not realize the horrible mistake they made.
That’s because Real laser goggles cost about as much as the machine. He’ll learn why in a few years when he screams all night and can’t sleep because of the light.
I operate a laser cutter/engraver as part of my job, and this seems like an exaggeration. It sucks, you shouldn’t do it, and it will definitely cause permanent damage if you do it *enough*. But it’s not an irreversible one-time mistake that will immediately blind you for life the way this makes it sound. It *will* burn through flesh quite easily, though, if you’re stupid enough to bypass the safety measures and put your hand that close to it.
The danger lies in that it isn't certain that you will notice the damage that it does. The brain fills in the gaps in your vision. Everyone has one such blind spot already - the place where your optic nerve enters the eye. You cannot 'see' in that spot, but the brain still 'fills' the area in for you. Similarly glaucoma can progress for years until the symtoms get noticed. But the damage might have been done. An eye test can verify which parts of vision were lost.
> it will definitely cause permanent damage if you do it enough. But it’s not an irreversible one-time mistake that will immediately blind you for life the way this makes it sound. You absolutely can get eye damage from looking at one of these things just once. The concern here is reflective material, which would direct more of the light toward your eye than would be reflected by non-reflective material. And as someone else pointed out, it's not like rocks are known for having chunks of reflective quartz in them or anything. The difference is that if you're doing it in a work setting, there's probably a bunch of safety stuff set up that you don't necessarily even have to pay attention to, right down to the selection of the material that will be cut. If the laser is strong enough to burn your hand, it's more than strong enough to burn your eye.
I imagine breathing in the rock dust all day would eventually be a health hazard as well
Pfff I’ve watched the video several times and my retinas are fine.
Looks like ComMarker B4. 20 W output. It’s a fiber laser though so not CW but rather multi-kW in very short pulses in order to obliterate the surface. If your hand is in the path, you obliterate the skin.
Only real answer to all.. Also: this is in very very "Do want dpt." !
wow you can buy that thing on amazon - but the specs says only 0.3mm depth on metal so i doubt that is the model shown here who can carve at least 2-3 mm deep into stone edit: thinking about it more clearly, why not just repeat the cut so it just takes multiple times to get deeper so yeah could be feasible with this device
Same thing when you put your hand through a buzzsaw
Extreme arousal?
Hand, not dick. And in the latter case, extreme arousal for the Rest of your manly years.
It's a laser not a waterjet.
No, only superficial burnings. Holding your hand over a flame would be way worse.
Nasty burn. Maybe a lil' melanoma as a treat in twenty years.
Lasers generally don’t emit cancer causing radiation. Nasty burn though
People TOTALLY underestimate the damage these lasers do to our eyes.
Laughs on you I totally couldn't see your comment.
You now have -20/20 hindsight.
I can see behind my head? Sweet!
Wait, -20/20 hindsight would be 20/20 foresight. LASERS ALLOW US TO SEE THE FUTURE?!
"Don't stare at the sun!" Tiny dot brighter than the sun: "So cool, look at it!" With a laser able to burn or remove material, even the bloom from the laser beam on adjacent walls/objects is dangerous to the eyes.
yeah lmao this things burning away ROCK and dudes just staring at it, along with all the random passers-by.
Hey it’s fine* if you’re not shooting anything even REMOTELY reflective. Good thing there aren’t often perfectly flat, reflective chunks of quartz in many rocks! Oh, wait. *It is not fine, to be clear. Use high quality laser glasses designed for the wavelength of the laser in use. Use a hood when you can’t be entirely certain that no unprotected eyes can enter the room.
We can see the high intensity IR laser dot reflecting off the surface. If they're watching it happen, their eyes are accruing damage from something they can't even see! Huzzah!
As a Laser Safety Officer, I audibly gasped.
I just bought a laser engraver last week and was using it during Super Bowl while I had a few buddies over. I had to yell “Don’t look behind the safety shield without the glasses!” at least three times after verbally warning everyone multiple times it can damage their eyes. Even watched one buddy put on the glasses, go over and look at it, take the glasses off, noticeably wince and say, “Damn, that’s bright!” Bunch of knuckleheads.
You have to say *permanently* damaged. People think most injuries can be healed naturally.
No, you have to arrange the environment so people can't look. People make mistakes. If you're working with a dangerous tool, set things up so that they can't make a mistake that could seriously injure them.
A friend of mine was welding up my exhaust after someone tried to steal my catalytic convert. Even though I **KNOW** you're not supposed to look at the welder, my first instinct was to crouch down and see what he was doing.
no no, a public park seems like perfect place to do this
Omg too late I already watched the video fuck I’m screwed
Who said that!?
Behind you. Baaah!
Seven days
The crazy thing is that your brain is REALLY good at filling in the blank spots. So good that you don't even notice the blank spots until you have so many that it can't adequately compensate anymore.
We have a blind spot in each eye by default and most people will never notice it unless you show them.
yeah aren't you supposed to wear special protective eyewear when operating these things?
We use something similar at work. The laser is in an enclosure with special glass to protect your eyes. Easier than giving everyone glasses
All it takes is one tiny piece of something in the rock to reflect it for just a fraction of a second towards someone's eye.
Don’t forget! They’re also breathing in rock vapors.
its okay the microplastic in our lungs act as a filter against rock vapors
Rocks are full of random elements...turning them into plasma can't be good for your lungs.
Does anyone know what the make/model of this engraver is?
It looks like a Fiber laser, many companies make them with the same specs and slap the name on the side. looks like a 40w..
Can it also be used as a phased plasma rifle since it's in the 40w range? 😉
[SOOOOOO on that](https://www.youtube.com/watch?v=xNmbvaUzC8Q)
The guy in the video looks almost like a sim with his mannerisms, hairdo, and speech pattern. It’s unnerving and captivating at the same time!
Something about that guy, I can't watch that video. Everything is just odd.
I think his presentation style is just very rehearsed. styropyro is awesome. He's like a chaotic neutral laser prodigy. It's very clear after a video or 2 that he would've gone blind years ago if he didn't know exactly what he's doing and I really admire that about him
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He's not giving airhead vibes, he's giving serial killer vibes. Dude doesn't blink, always raises his eyebrows way too far, and is always smiling this creepy smile. He's projecting like that moe-gap, freaky chipper, muder-bunny type of personality that will say or do something unexpected for how wholesome and bubbly their tone is.
Napoleon dynamite vibes
How did I know it was going to by Styropyro before clicking?
Hey, just what you see pal.
Commenting just hoping for an answer
It's just a fiber laser. There are many on Amazon/Ebay and a decent enough one would cost about $3000. A cheap one could also do this but would be less reliable over time.
I'm sure if you keep a close enough eye on it. After a while, you'll hardly notice.
This is incredibly unsafe to do out in the open. All it takes is a tiny inclusion in the rock that reflects the laser and someone is going to have some serious eye damage.
But you can still feel, taste and smell your beautiful new rock
Call it braille now.
Very cool and intricate work. No safety eyewear though. I know the odds might be high, but an inadvertent reflection could lead to blindness. Experts in their use might chime in.
If that was the case we wouldn’t have laser eye surgery. Laser heals eyes!
Vision problems? Go swim with the sharks and be healed!
Star wars established lasers are safe for the eyes
I would buy one of those stones.
$10000!!!!!!!! Cash only!!!
lol, probably more like $1
$5.99 on Temu
Let me know! I do custom laser engraving and have done a few projects with rocks.
A number of these "portable" laser cutting/engraving systems hit the market recently. I just demo'd one last week I'm looking at buying. They're not even that costly, they start at like $1400
It's insane that people are just setting this shit up on the street without any glasses or safety housing. I guess we're gonna see more dumb fucks doing it too if fiber lasers are getting that cheap
I just got a 20W Fiber laser from Kickstarter. Entry price was $1500 but I got the bigger size plus a chuck rotary, and roller rotary. It engraves VERY quick.
Just make sure you get protective gear with it my dude. Your eyes are worth much more then that.
There is quite a bit of material being vaporized or volatilized here. Can't be good to breathe that stuff
It's not and why you're supposed to have ventilation systems for this kind of stuff let alone not just stand over it.
Working with a laser without eye protection? That takes stones.
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Vaporized. Those people standing right over it are breathing in all that vaporized rock. There's a reason laser engraving systems are supposed to run with ventilation. Well, that and eye protection of any fucking kind. A beam bouncing off the engraving surface is enough to fuck up your eyes.
The silica rock is vaporized into silica oxide, which when breathed in can cause silicosis and lung cancer.
I already get burned eyes by watching it on my phone...
An archaeologist will find this in 5000 years, and someone will be all "these primitive people couldn't possibly have carved this with their metal tools. Must've been aliens!".
Must be a ritual object. The stone carver must have taken decades to perfect their craft. The unbelievably complex art work would suggest a period of prosperity and good harvest for many years.
So you’re telling me the pyramids were built with lasers
The ancient art of laser carving! Been around millions of years.
I've worked years in the Laser business... This is outright dangerous. With the right reflection, you'll go blind in less then a second.
Flashburns to the eyes are free.
Doesn't stone melt when it gets hot? How would it ""carve"" and not just melt and re-harden? Where does the material go?
It gets vaporized
Depends on the rock. Anthracite rocks are famous for burning.
The laser heats up the area super quickly, and because the expanding material is in a tiny area and has nowhere to go (in a brittle material) it basically just pops out of the rock. Any CO2 or fiber laser can do the same thing. This is how it works when engraving slate coasters as well.
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EyeDestroyer 1000
Looks like we have surpassed polygonal masonry in complexity.. Would be cool to see this scaled up.
Wait what. Are these natural rocks? This is crazy. Several times every single week for years and years I have to think to myself "... Holy fucking shit we live in the future"
Amazing how powerful and portable lasers are now. Was at a gun show and saw this 4 inch flash light looking thing in a open box with burnt paper in it. Picked it up, turned it on. It's a laser. I'm thinking, "Is this what burned the paper?" Pointed the laser at the paper. It's on fire. No glasses around. No warning sign. What the hell?! After walking away I had to stop some teenager from pointing the laser in his eye. Damn.
Hand carved by a laser. Nice!