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What is 3D printing?
While there are different kinds of 3D printing, all 3D objects are generally built out of layers. A 3D printer starts with the bottom layer, waits for it to dry or solidify, and then works its way up. This layering process differs depending on the printer and the material it works with — metal, plaster, polymer, resin — but it also depends on whether it’s an industrial or commercial 3D printer.
Industrial vs. commercial
While consumer- and small
business-oriented 3D printing is only just taking off, mostly thanks to the
MakerBot and RepRaps, 3D printing has been used in an industrial setting for 30
years. Industrial 3D printers tend to be very large and very expensive, but at
the same time they are a lot faster than commercial printers. Some industrial
printers can print with multiple nozzles at the same time, or even use metal
(more on that later). For the most part, industrial printers are nearly always
used for rapid prototyping (usually by architects, automakers), but sometimes
3D printed objects — especially in the case of metal objects — are used in
final products.
Consumer-oriented 3D printers are cheaper, smaller, slower, and are usually lower resolution than their industrial counterparts. Consumer printers are still used for rapid prototyping, but they’re also used by people who just like the idea of printing stuff out. Generally, consumer printers use thermoplastic extrusion — i.e. it dribbles out tiny dots of melted plastic.
Consumer-oriented 3D printers are cheaper, smaller, slower, and are usually lower resolution than their industrial counterparts. Consumer printers are still used for rapid prototyping, but they’re also used by people who just like the idea of printing stuff out. Generally, consumer printers use thermoplastic extrusion — i.e. it dribbles out tiny dots of melted plastic.
Different printing techniques
Depending on the material used,
how many colors you want, the resolution you require, and how much money you’re
willing to fork out, there are at least five popular 3D printing methods to
choose from. Some are very similar, but some are really rather crazy (or
brilliant).
- Fused deposition modeling – The most common 3D printing method is fused deposition modeling (FDM). The raw material with this process is a spool of plastic or metal wire, which is melted and placed by the printer’s nozzle. It quickly hardens, and then the next layer can be added. As far as commercial printers are concerned (like the MakerBot), FDM always uses plastic wire (filament) and is usually called “thermoplastic deposition” in layman’s terms
- Inkjet printing — Using special inks (resins and binders) it’s possible to build up a 3D model using a device that’s very similar to a home or office inkjet printer. Layer upon layer of resin and binder are added until an object is created. This is the only 3D printing process that allows for custom colors.
- Selective laser sintering – Sintering is the process of creating solid objects from powders, and in the case of selective laser sintering (SLS) the powder can be metal, plastic, ceramic, or glass. Basically, SLS uses a pulsed laser to “draw” the desired cross-section. The powder fuses, and then then the laser forms the next layer on top. This is very much an industrial method, as it requires a rather strong laser.
- Digital light processing – With DLP (yes, the same technology behind DLP projectors), a vat of liquid polymer is turned into a very strong solid by exposing it to light. Very high accuracy/resolution can be achieved with this technique — and again, this is an industrial method. Stereolithography is similar to DLP manufacturing, but a lot more expensive.
- The others – Finally, there are a few 3D printing techniques that aren’t used extensively, but could be in the future. Resin can be cured using LEDs (similar to the DLP approach); 2-photon photopolymerization can be used to create ultra-small 3D-printed features; laminated object manufacturing uses bits of paper or card stuck together that are then cut out using a laser.
The future of 3D printing
We’ve
already alluded to a few uses for 3D printing — prototyping, making stuff at
home — but it’s worth diving into some of the crazier things that 3D printing
is capable of now, and what it will be capable of in the future.
3D printers can be used to create titanium aircraft parts, human bones, complex, nano-scale machines, and more. In the future, it’s fairly safe to assume that we’ll be able to manufacture almost anything with a 3D printer — and everything we can’t make with a printer (clothes, textiles), automated CNC machines, or something like them, will take care of. Ultimately, 3D printers might also be the key to matter replicators, just like in Star Trek. It’s important to note that we already have very accurate tools for creating 3D models of existing objects; we have the ability to scan a cup, and then create an exact copy using a 3D printer.
Eventually, one day, you will walk up to a 3D printer and say “make me an iPad,” and it will make you an iPad. If we can create 3D printers with atomic-level resolution, they might also usher in another Star Trek gadget: teleporters. There’s also the (rather worrying?) fact that many commercial printers are labeled as “self-replicating,” in that they’re capable of printing their own replacement parts. In other words, if we gave a 3D printer some kind of artificial intelligence, who knows what it would into.
3D printers can be used to create titanium aircraft parts, human bones, complex, nano-scale machines, and more. In the future, it’s fairly safe to assume that we’ll be able to manufacture almost anything with a 3D printer — and everything we can’t make with a printer (clothes, textiles), automated CNC machines, or something like them, will take care of. Ultimately, 3D printers might also be the key to matter replicators, just like in Star Trek. It’s important to note that we already have very accurate tools for creating 3D models of existing objects; we have the ability to scan a cup, and then create an exact copy using a 3D printer.
Eventually, one day, you will walk up to a 3D printer and say “make me an iPad,” and it will make you an iPad. If we can create 3D printers with atomic-level resolution, they might also usher in another Star Trek gadget: teleporters. There’s also the (rather worrying?) fact that many commercial printers are labeled as “self-replicating,” in that they’re capable of printing their own replacement parts. In other words, if we gave a 3D printer some kind of artificial intelligence, who knows what it would into.
Descriptive text "Pedro"
The mobile phones
Cell phones have existed for some years in which
the first that came in very small, very thick, as they say resembled a septum.
Most of them almost did not have a camera and that
had she had very low quality or be pulled very picxeledas photographs, in terms
of its operation were limited by only could give use of calls, messages Radio
also listen to music and have subsequently evolved they have been adding or
removing things such as the thickness was not as same as before and then also
the design and there are many brands of cell phones like Motorola, Sony,
Samsung were among the first who came out and there are currently many as LG,
SONY Erison, the latest ZTE to which they were granted more are aphones to its
unique design, the operating system that handle and speed and among other
things more that make it unique in the market.
Currently we already have very, very advanced
cellular nowadays because there are so you need not write key for keys and just
enough for us to talk to the phone or touch the appliance run for example to
make a call to someone just enough to say talk to that person and makes the
device automatically. Also other features are the same operation as they have
many applications and very good indeed that allows the user to provide many
jobs and also provide multiple functions like playing in them, chat through
them so.
There are even cell created for each specific user
and cell currently are already designed to withstand any blow or accident can
damage and even q even resists water.
Like all things in terms of technology have been
evolving every day the man he has been refined in taste and performance.
The Walking Dead "The Last Team
Standing"
"Do not expect anything from anyone because at some point the
people you love most can betray you to protect themselves .... Do not trust
anybody, "THK
Narrator: This story begins in a cold world in which most of the people
who survived did acting in a very selfish way and just protecting what they
wanted or had .... All the land was affected by a small hopelessly failed
experiment, and clear the perpetrators were victims of their own creation.
It was 2010, technological advances were very, very good and because of
that people in charge of making technology were increasingly greedy and did not
care which technology they were working had serious consequences later, many
were experimenting with Anything trying to get in the future good benefits, but
there was a company called umbrella, was the best at the time, and combining
nanotechnology with biochemistry and many other sciences and branches, they
desperate in trying to always be innovating created a small bacterium called
"Lazarus" which was intended to restore life to any living being,
scientists began their tests on small animals such as mice and everything
seemed to work perfectly, because of that they were experimenting with living
beings increasingly great, until they reached humans ... .. it was there that a
little flaw which they say could repair it happened, all the people who revived
acted in a very strange way so that people used their basic instincts which
were walking, eating and had a strong anger towards loud sounds or living
things ... The umbrella company began work on a new bacterium called
"Lazarus fine", which according to them was improved and the previous
version it was true, and people who returned to life were able to communicate
with scientists and even some remembered some things from what was his former
life ... The umbrella company won a lot of money, respect and fame for the
bacteria and the owner of the company not comply He began making preparations
to somehow spread it to all corners of the world to the people who were lost to
return to return to their families .... Then in 2015 two days before launching
his project he said, and it would be the last he sent to guard what had been
the first version of Lazarus in at least 5,000 containers that eventually will
deteriorate and cease to exist that version, but the greed of people caused
many people working in the company betrayed him and move the containers that
were to spread by the first version of Lazarus ......
All preparations were already made, only they would open the coffins of
people who had died three days earlier and as was to be something that people
have never seen did events in each cemetery every city and country to which
people attending as if it were fairs or circuses without knowing what awaited
them ...
In a cemetery located in a city in Mexico there was a group of
protesters who were against bacteria that were used .... As and when the
bacteria release everyone was ready and desperate to see the results of that
experiment they looked like they were coming helicopters fire which led to the
bacteria in containers and began to spray the area where exposed resurrect the
dead so ...
The group of protesters was made up Fabian a young man of 24 who was
accompanied by his wife, what if it was for them to use these bacteria ... He
was accompanied by three other friends, one was Peter he was a doctor who had
been vacationing in visit Fabian, Pedro was 25 and was single also was Eduardo,
Eduardo who was age 24, was the typical person conspiracy with almost
everything and at home had weapons, supplies and even an armored car which
achieved through several military friends he had, he was single because younger
tricked his girlfriend because of Fabian .... And last would Joseph, he was the
greatest of all, he was a policeman what misconduct took away all their rights
and their work, he drank a lot and so his wife and son left him several years
before he was 28 years…
They were demonstrating until the moment they saw the helicopters had
sprayed all ...
Fabian: I think it is not worth as witness this moment.
Joseph: You're right.
Pedro: Best longer have to go, it is useless and see this.
Eduardo: Wait a minute ...
Narrator: At that moment it looks like one of those killed rises ...
Eduardo: Look at that!
Narrator: The first body gets up and throws them into taking a young man
by the arm and biting so that managed to cut a part of your skin ...
Joseph: What is it that has made the dead !!?
Narrator: Other family approach to remove the dead above the young, but
the bites another dead relatives, and then another of the bodies were rising
starts doing what he did the first ...
Fabian: What happens! They are crazy?!
Narrator: The dead are still doing the same and people begin to make
scandal. Dead attracted by the screams of people go one by one by throwing the
people closest. Everyone starts to run and try to flee the cemetery, but the
doors were too narrow for everyone out. The group of protesters have luck and
out of that area.
Fabian: we do?!?!
Eduardo: We must get out of here please! They are all crazy!
Fabian: No, please! My wife's in there, I can not just leave ...!
Narrator: What Fabian did not know is that his wife had been a victim of
the people who knocked for trying to flee the area and had hurt and trampled.
Peter Fabian quiet, maybe your wife to see everything is on its way to
your home ...
Fabian: Okay, but you need to go as fast as possible from here.
Joseph: Come here
Narrator: The three follow Eduardo and head home.
When they get home Eduardo lowered very quickly and said
Eduardo: I did not take!
Joseph: I'm with you
Narrator: Jose Eduardo and down the car and begin to equip things ...
Peter: That happened on the cemetery seemed horror movie.
Eduardo: Yeah, we brought you need to walk in the streets.
Fabian : You bring in that bag?
Eduardo: Look ...
Narrator: At that moment Eduardo opened the bag in which there were at
least 5 handguns and 3 long guns, in one of the compartments of the car also
bore cartridges ...
Fabian:! Why you brought that .... Better forget it and please hurry, I
need to go with my wife!
Eduardo: Calm down a little and go ...
Narrator: Then they head home Fabian
Fabian: Honey! You are here????
(Silence in the house)
Fabian: Love! Please respond if you're here!
Narrator: Fabian seeing no one answers quickly leaves the house.
Eduardo: And your wife ???
Fabian: No answers! Please leads back to the cemetery! Perhaps still
there.
Peter: No, please! Do not go back there, just let us go to protect!
Joseph: Say quick that will!
Fabian: Eduardo please go!
Eduardo: OK
Narrator: Eduardo again leads to the cemetery and the four go all the
way ... wondering what was happening.
A half-way encounter a roadblock of soldiers who say they can not go out
there, they left back home.
Eduardo: I know another way by which we can go.
Fabian: Be where we please be quick!
Narrator: Eduardo handled by a shortcut known and in a short time
reached the cemetery ...
Arriving see what it was blood, lots of gore and very few people seemed
that had attacked a bear or other large animal, all are watching in shock as it
was the place of the car and low Fabian ...
Fabian: Love! You are here?! Ya and I come for you! Please answer!
Joseph may be hidden, come on, I'll help you search.
Narrator: Fabian desperate screams.
Fabian: Help! Pedro, Pedro! Please help!!
Narrator: Eduardo and Pedro quickly down the car and go with Fabian.
Fabian: Pedro please have something! Please save her!
Narrator: Peter to see how the situation tells Fabian ..
Peter Fabian .... Fabian, I'm not able to do anything .... Say goodbye
to her ...
Narrator: crying Fabian tells his wife who was in his last ...
Fabian: Love, please, I'm here .... Just relax ... I love you!
Narrator: At that time Fabian's wife closes her eyes and Pedro is coming
...
Pedro: It's gone ...
Fabian: Nooo !! No no no no no please !!!
Peter Fabian I'm sorry, but we have to go ... ..
Narrator: At that time you see someone that is rising in the distance
and Joseph is coming ...
Joseph: Excuse me! He is okay?
Narrator: The person does nothing more walking slowly toward him.
Eduardo José Stay away fast.
Narrator: Fabian says his recent loss ..
Fabian: It is one of those who killed my wife!
Narrator: Fabian runs the car and opens it to get one of the weapons
that had brought Eduardo ...
Fabian: Damn! You'll pay!
Narrator: Fabian about a bit and shoots him in the leg, "the person
is not complaining or anything, just out of balance" then shoots him in
the heart and he notices that still walk, making it 3 more shots and you run that
gun ammunition, Fabian throws the gun and take soil and rock is thrown the
person giving strong blows to the head until it completely destroys the skull
is where the person stops moving ...
Joseph: Why the hell did not die!
Eduardo: he is already dead.
Peter: But did you shot in the heart and did not make a sound of pain!
Eduardo Fabián come quickly over here and let's go!
Narrator: All get in the car and go to Joseph's house, he also takes
their weapons and returned to the car, Eduardo leads to an area outside the
city and stops at a gas station and turn on the radio .. "All! Stay in
your homes! For no reason out! And if you see people injured in the street do
not approach! They are sick and if they will approach the attack! If you are in
a situation and face a hard hit them head or if there have guns shoot!
Peter: I see! The only way to kill them is seriously damaging the brain
....
Eduardo: Now what do we do?
Fabian: ..........
Joseph: Let's go to some quick retreat!
Narrator: They all go to the city to alert people a little, but when
they do not see anyone in the streets, then go to a nearby auditorium in which
they were soldiers outside and tell them "Welcome, please come, You'll be
safe here "They get off the car without weapons and enter the auditorium
...
Eduardo: This looks very bad ...
Pedro: It does not matter, they are working to fix it.
Narrator: In the auditorium there was a medical post in which there were
at least 17 people who had wounds that were done for the dead ...
Joseph: I have a very bad feeling ...
Fabian: I do not think it can get any worse ...
Narrator: The soldiers closed with padlocks auditorium doors shutting
out everything, even to them ...
The four friends spend the night there.
Early, Peter opens his eyes and gets up for a ride in the auditorium,
enters the bathroom and sees a lot of blood, then notice a group of 6 people
who were devouring a body, Peter rushes out of the bathroom with friends and
going awakens in a low voice saying ..
Pedro: We gotta get out of here soon!
Joseph: Why ?? What's going on???
Eduardo: Yes, tell us what is happening!
Peter: There are 6 people in the bathroom that are eating someone!
Fabian: Let's get out of here fast!
Eduardo: No! The door is locked! We need to awaken the soldiers quickly!
Narrator: Pedro is close to one of the soldiers to tell him what was
happening and the soldier did not believe anything. Desperate Pedro says he is
not lying to please open the doors and the soldier laughs and tells him he's
paranoid. Pedro returns with others and tells them that he could not convince
him.
Peter: We must do something before these things come over here!
Fabian: I know, ask him to be the back door and let us all go ...
Narrator: Everyone will tell the soldier that if you can open the back
door .. Is that the moment when the soldier opened the door and some of the
other hand pushes hard and ...
Pedro: They are here !!!
Narrator: fully open the door begin to enter dozens dead and the soldier
who had opened the door is hit by one of them and bitten ...
Jose Eduardo! We need a weapon!
Eduardo: We could not enter any in here! Everything is in the car.
Joseph, a soldier Quitémosle one!
Narrator: Jose Eduardo and approach a soldier and start hitting, to give
them the gun, the soldier falls and they get it but when they realize there are
hundreds of people in the auditorium and the front door is still locked ...
Fabian: We have to break the lock to get out!
Joseph: I caught the soldier who had the keys!
Narrator: Dead increasingly closer and that's where Joseph begins to
shoot the lock which was not so fragile.
Joseph Pedro! Take the table and put it against them to delay them
Peter: Okay! But break that lock fast!
Narrator: Peter takes the table and puts it against the dead and manages
to make progress slower.
Joseph already opened!
Eduardo: Let's get out fast!
Pedro Eduardo brings the car back!
Narrator: Eduardo goes to the car but when he sees there are a multitude
going to the auditorium and very close car ... Eduardo returns and tells them
Eduardo: We'll have to walk!
Fabian: Why? Where's the car !?
Eduardo: There are many of those weird coming here and already near the
car
Narrator: The four come together and ran five or six people who managed
to leave the auditorium also leave their cars running and the dead around them
and kill them
Joseph: I can not! Please go away, I'll stay here!
Fabian: We have to leave Jose, please let's go everything will be fine!
Eduardo José everything will be fine!
Pedro: They are coming! Vámonos
Narrator: Joseph with the weapon that destroyed the padlock stands there
and says,
José: Thanks for all friends
Narrator: Joseph smiles and shoots himself in the head.
All were in shock unaware that they were already getting very dead.
At that moment one reaches pedro and screams.
Pedro: No please !!!! Let me!
Narrator: Eduardo and Fabian react and begin to look like eat pedro
Eduardo: Fabian can not do anything! Let's go!
Narrator: Fabian could not speak, just she runs off and Eduardo follows.
They reach a bridge and tells Eduardo Fabian.
Eduardo: All is lost.
Fabian: Your why you say that, you have not lost anyone, "says
angry"
Eduardo: Do not what? You did not think eh lived that kind of thing ??
Fabian: Do not go to start at this time
Eduardo: How ?? With what you did?!?
Fabian: Eduardo shut up already! By your attitude what happened happened
Narrator: At that time lunges Eduardo Fabian and a fight, Edward knocks
and start hitting in the face so hard that Fabian starts bleeding from the
face.
Eduardo Fabian lifts and throws it into a trash can and tells
Eduardo: So you think and not suffered anything like that ?! At this
moment I'm feeling! Please forgive me for this, but as I looked me say that the
person he loved left me because of you, for this time will be reversed who will
suffer because you are you and you asked for it!
Fabian: Best and shut (he says with great effort while losing a lot of
blood)
Narrator: At that moment Eduardo Fabian decision by the neck and lifts
him up and says,
Eduardo: You made me do it
Narrator: Eduardo Fabian launched under the bridge .... At that moment
Eduardo starts screaming and mourn desperately which draws the attention of
several of the dead were close and unstable as it was at that time rather stay
...
When he realizes at each end of the bridge he begins to see who came and
just stood there ....
That's when thrown to him and begin to devour ... ..
Author: Fabian Andres Ramirez Avila
The Walking Dead "The Last Team Standing" Video
The Walking Dead "The Last Team Standing" Video
Material Reciclado
Screwdriver
Wood
Electro engine
Wire
Tire cuith leats insidel
Pegue
1 .- Make two perfeacions on the wood, on the center.
2 .- Put a on the edge, the put the tire and hold it with out.
3 .- Put engine in place on the other side holdit with a it needs to be at the some high as the tire.
4 .- Conect cables to the engine.
5 .- Put a energy switch (if you want).
6 .- Put a source of 6 volts.
7 .- Put some details for the tils so it place different.
Instructivo de organigrama
2.- Fold in the dotted lines to meet center.
3.- Fold in the dotted lines to meet center line.
4.- Open the pockets from.
5.- Flatten the pocket. Do this on the bottom too.
6.- Fold in half.
7.- Pocket fold.
8.- Pocket fold.
9.- Pocket fold.
10.- Fold forward in the dotted line.
11.- Hood fold in the dotted line.
12.- Fold foward in the dotted line.
13.- Fold inside.
14.- Pocket fold.
15.- Draw eyes and finished.
Recipe
Water
Flour
Sauce
Cheese
Ham
Sausage
Yeast
1.-We are going to put some flour an som yeast wiyth some water an then we mix it.
2.-Let stan for 25 minutes.
3.-Send desire shaped to the mass.
4.-We are going to precooked dough for 20 minutes.
5.-Get the dough an put it on the table.
6.-Reecoked ingridientes.
7.-Put the salsa on the dough.
8.-Put the chesse on the salsa.
9.-Put the pineapple on the pizza.
10.-Put de ham on the pizza.
11.-Put the chorizo on the peper.
12.-Now at to finish cut the pizza on the them for 20 or 45 minutes. Link del video:
