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Gear Quest
United States
Приєднався 28 лип 2019
Precision Laser Cutting
Deep in the Tayma Oasis in Saudi Arabia’s Tabuk province lies a 4,000-year-old rock formation with an unusual feature. It is split down the middle by a straight cut with the precision of what some believe to be a laser.
The Al Naslaa rock is composed of two sandstones supported by a naturally-formed pedestal with a perfect slit down the middle.
While the exact cause of the split has yet to be determined, windblown sand and periodic rain could have created the unusual shape.
Some even suggest the desert’s ancient inhabitants cut the rock in half using a lost ancient technology of laser beams.
Wherever the truth lies amongst the theories, the precision of the cut is eerily similar to what modern cutting techniques could produce.
Other examples of precision cutting in the ancient world that we definitely know are the results of human effort can be seen in Egypt.
A prime example of this exists in the ancient northern region of the stone quarries in Aswan, Egypt. The object is an ancient unfinished obelisk, considered by experts to be the largest known one of its kind.
The obelisk and wider quarry were inscribed on the UNESCO World Heritage List in 1979 along with other examples of Upper Egyptian architecture.
Its creation was ordered around 1508 to 1458 BC, to possibly complement what would later be known as the Lateran Obelisk. The unfinished obelisk is nearly one-third larger than any ancient Egyptian obelisk ever erected. If finished it would have measured around 41.75 meters or 137 ft.
Based on archeological findings, the obelisk's creators began to carve it directly out of bedrock, but cracks appeared in the granite and the project was abandoned. The bottom side of the obelisk is still attached to the bedrock.
The unfinished obelisk offers unusual insights into ancient Egyptian cutting techniques, with marks from the workers' tools still clearly visible as well as colored markings left behind from where they were working.
As far back as humans existed, the need to cut materials with precision has always been a necessity. And the techniques applied have only been improved over the course of time.
In the case of the ancient Egyptians, the use of hammers and chisels was instrumental in cutting a series of holes in an extracted block of stone. Then water-soaked wooden wedges were inserted into the holes, where they expanded and split the rock. Other cutting techniques involved the use of copper saws along with sand and even bronze tools that were used with limestone and other softer rocks. These are just some of the many techniques applied to accomplish the task.
The precision-cutting techniques of modern times have negated the need for such manpower, allowed for the cutting of various materials, and reduced the time it would take to accomplish such a feat when compared to ancient times.
At this point let’s talk about two popular modern cutting techniques that offer such precision.
Laser and Plasma Cutting Introduction
Laser and plasma cutting are both methods well-suited to the CNC (Computer Numerical Control) machining production process. These technologies are thermal processes commonly used in industrial settings to cut materials. The main difference between the two technologies lies in the source of the technology's cutting power: laser cutting machines use a narrow and intense ray of light to cut through materials. This is in contrast to plasma cutters which use a device for generating a directed flow of plasma for cutting.
Laser cutting can be used to cut a wide range of materials, including ceramic, wood, plastics, and metals. This is a stark contrast to plasma cutting which can only be used to cut conductive materials. Laser cutting is faster, more accurate, and produces a better surface finish than plasma cutting. The laser method is also better suited for making intricate cuts than plasma cutting. On the other hand, plasma-cutting machinery requires less maintenance and is less costly than laser-cutting equipment. Both technologies are mainly used to cut metals, although laser cutting is also commonly used for other materials as well.
Selecting between the two CNC cutting processes can depend on many factors. In this video, we will compare laser cutting and plasma cutting in terms of speed, materials, cost, and other factors that distinguish these two techniques.
Laser cutting works by directing the highly concentrated energy of a laser beam onto a material, producing local melting and separation of the workpiece. Depending on the details of the cutting technique, the laser may melt the material, with an assistive gas stream blowing the melted material out of the way. Or it may directly change the cut material from solid form to gas; also known as sublimation, with the kerf removed in vapor form. Kerf is the width of a cut. It is the result of material removal during the cutting process. Laser cutting equipment can cut structural and pipe materials as well as thin sheets.
The Al Naslaa rock is composed of two sandstones supported by a naturally-formed pedestal with a perfect slit down the middle.
While the exact cause of the split has yet to be determined, windblown sand and periodic rain could have created the unusual shape.
Some even suggest the desert’s ancient inhabitants cut the rock in half using a lost ancient technology of laser beams.
Wherever the truth lies amongst the theories, the precision of the cut is eerily similar to what modern cutting techniques could produce.
Other examples of precision cutting in the ancient world that we definitely know are the results of human effort can be seen in Egypt.
A prime example of this exists in the ancient northern region of the stone quarries in Aswan, Egypt. The object is an ancient unfinished obelisk, considered by experts to be the largest known one of its kind.
The obelisk and wider quarry were inscribed on the UNESCO World Heritage List in 1979 along with other examples of Upper Egyptian architecture.
Its creation was ordered around 1508 to 1458 BC, to possibly complement what would later be known as the Lateran Obelisk. The unfinished obelisk is nearly one-third larger than any ancient Egyptian obelisk ever erected. If finished it would have measured around 41.75 meters or 137 ft.
Based on archeological findings, the obelisk's creators began to carve it directly out of bedrock, but cracks appeared in the granite and the project was abandoned. The bottom side of the obelisk is still attached to the bedrock.
The unfinished obelisk offers unusual insights into ancient Egyptian cutting techniques, with marks from the workers' tools still clearly visible as well as colored markings left behind from where they were working.
As far back as humans existed, the need to cut materials with precision has always been a necessity. And the techniques applied have only been improved over the course of time.
In the case of the ancient Egyptians, the use of hammers and chisels was instrumental in cutting a series of holes in an extracted block of stone. Then water-soaked wooden wedges were inserted into the holes, where they expanded and split the rock. Other cutting techniques involved the use of copper saws along with sand and even bronze tools that were used with limestone and other softer rocks. These are just some of the many techniques applied to accomplish the task.
The precision-cutting techniques of modern times have negated the need for such manpower, allowed for the cutting of various materials, and reduced the time it would take to accomplish such a feat when compared to ancient times.
At this point let’s talk about two popular modern cutting techniques that offer such precision.
Laser and Plasma Cutting Introduction
Laser and plasma cutting are both methods well-suited to the CNC (Computer Numerical Control) machining production process. These technologies are thermal processes commonly used in industrial settings to cut materials. The main difference between the two technologies lies in the source of the technology's cutting power: laser cutting machines use a narrow and intense ray of light to cut through materials. This is in contrast to plasma cutters which use a device for generating a directed flow of plasma for cutting.
Laser cutting can be used to cut a wide range of materials, including ceramic, wood, plastics, and metals. This is a stark contrast to plasma cutting which can only be used to cut conductive materials. Laser cutting is faster, more accurate, and produces a better surface finish than plasma cutting. The laser method is also better suited for making intricate cuts than plasma cutting. On the other hand, plasma-cutting machinery requires less maintenance and is less costly than laser-cutting equipment. Both technologies are mainly used to cut metals, although laser cutting is also commonly used for other materials as well.
Selecting between the two CNC cutting processes can depend on many factors. In this video, we will compare laser cutting and plasma cutting in terms of speed, materials, cost, and other factors that distinguish these two techniques.
Laser cutting works by directing the highly concentrated energy of a laser beam onto a material, producing local melting and separation of the workpiece. Depending on the details of the cutting technique, the laser may melt the material, with an assistive gas stream blowing the melted material out of the way. Or it may directly change the cut material from solid form to gas; also known as sublimation, with the kerf removed in vapor form. Kerf is the width of a cut. It is the result of material removal during the cutting process. Laser cutting equipment can cut structural and pipe materials as well as thin sheets.
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It was a Lexus V8TT powered MR2 chassis and unreliable sadly. It retired from the race and wasn't nearly as competitive as planned.
Watching in 2024. Vtec just kicked in, yo
Japanes auto 👍
Nice
auto super! music 🎶?
SIGMA
этот mr2 лучше всех!!
Nicely explained 👍
And here we are today with Mazda bringing the rotary engine back
they were notorious for the uni body rusting out at the strut towers. its a pretty expensive repair,so most of them just rotted away same goes for their twins the Eagle Talon TSI, and the plymoth laser
I had a 99 special edition loved that car valve issues though
certified hash brown moment
Deadly car.. some even had 4 wheel steer
AKA the GAYlude 🤣🤣🤣🤡 fukn clown car
Prelude should reaper , it was a nice looking car for teenagers
Except the last ones, they look like 06 fors focus😢
@@acenewholland564 still better looking than 90% of modern cars
This was an excellent video 💯, I wish I'd found it soon and look forward to going through your others
P r o m o S M 💦
☀️ Promo-SM
Great video halala
My ma had one of these and I was so bummed to learn that it broke before it could of been a car I could drive. At the time she didnt even know what an oil change was, but it still outlived her coworker's bmws. A common issue with it is that the gas indicator very frequently breaks and it actually left her stranded once because she never knew what the gas level was and it was empty. The straight six still chugs gas but i wish i could of seen it myself. Id love to get one and turn it into a drift rocket one day.
'88 GT with a 3800SC swap any day! Everyone talks about the LS swap, but it is way better with the super charged 3.8 IMO.
it was junk it was under powered and to v6 they used was a pain to change the spark plugs in it that was the GT. the other motor was a 4 cyl
I’ll never own another Pontiac. 😂 That company should have gone out of business sooner.
I had a 2nd gen MR2, cool car, but this is the car I really wanted. I wanted the GT model and wuld get a LS3 swap done for it. I think these are much better than those MR2 cars.
My dad had one and he loved it. Great car for him but he finally moved on from it for more space. They were really dangerous because the front ends would crunch in and destroy peoples legs or kill them in accidents.
Sooo American cars fr
It's a common misconception that all the models of fieros caught fire- only the 1984 model years, some of which were due to complications from a dealer-added bodykit. The problem had been fixed for the following model years, but of course, the 84 models still caught fire through 1989 I believe. The sales weren't great because they stuck with the 4 cylinder. For the next gen, they were planning on adding the infamous 3800 engine, but the plan fell through.
Caught fire lol well it is a Fiero ☠️
My girlfriend rolled hers over.
Drop an LS4 🫡
Yea thats why they fell in sales cause they burst into flames
Okay but it caught on fire 🔥
I’d buy this car in a heartbeat! I hope Toyota reads this and makes another one just like it in 2024, just with more bells and whistles, just like they made the New Supra!❤️❤️❤️
Ok ok I see you
One of my favorite cars of all time. 4th one I owned
Vtec kicked in yo!
Brilliant illustrations and such easy to understand explanations. This should have a million views.
Wait… my uncle was actually planning on giving me a left hand drive mr2 once i turn 17😭 He has one
Bullshit poor man Porches....it's better than Porsche. And a German car is shit
Sick review
OMG! The day ferrari died.
these IA generated video are subpar
I hope it's not going to be a new trend, but since Google owns UA-cam, they're going to encourage it to hype up their AI crap.
@@bobweiram6321 Their? What is "their" about AI?
@@nerkulec I can't help with your reading comprehension.
@@bobweiram6321 what I'm getting at is that the AI used to generate this video is probably open source, so there's nothing "google" about it
Ratchet and Clank music
Why the sound, sound like fart
Mk1b for life
The poor car ate it self to death, sad times.
Excuse me, I am a researcher and I have an obligation to spread the truth. The aerospace industry has changed on September 22, 2020. For the first time, reactive and paramagnetic alloys of titanium and aluminum are welded using laser electromagnetism from both sides of the material simultaneously. The new technology is now legally admitted in America and Europe in 2020. This means that with the new laser electromagnetic method, civil and military aviation fuselages can be stamped in series and the new technology welds all its components robotically. The new technology builds the liquid propellant tank better than the FSW friction imaging method. The new technology places laser thermal energy and inert argon gas on the north and south sides of the material. Removal of oxygen on both sides of the material... New electromagnetic laser technology automatically welds the hull of nuclear submarines into thick titanium plates... These documentaries are misleading and appear to come from a parallel Universe where they do not know high-Telecommunications speed or fiber optic. The SLS system is obsolete because it is built using a mechanical probe, however, new technology does it efficiently using laser electromagnetism from both sides of the material... Perfect welds with controlled internal and external asymmetry. Orion, Dragon and Starliner are obsolete because they do not have the new electromagnetic laser technology. It is much better to build spaceships with automatic electromagnetism WITH THE NEW TECHNOLOGY or do it with a FSW probe that breaks down in resistant alloys and can only function precariously with aluminum. gentle. It is an honor to inform and also an obligation to spread the truth... Best regards to all... If there is any Engineer willing, I will gladly inform you of the details... Thank you very much...
Even in the old testament soldering is mentioned
I have an 86’ 86, and after I get that project done, I’ll be going after an AW11.
Very well done video, however a little too much emphasis on underwater welding. Thanks,