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wow this look inside the Apple Vision

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Pro enables us to learn things that would otherwise be nearly impossible

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without destroying the device but the Neptune CT scanner that we just got lent

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from Luma field does so much more than just spit out a 2D image like this one

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it can stitch together hundreds or even thousands of 2D x-rays into a full 3D

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model come over and take a look oh look at this here's all the little magnets

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for the optional Zeiss lenses here's the worm drives for the automatic ipd

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adjustment we've actually got a really cool one where we isolated those

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components so we can see the whole mechanism and if you look closely in

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this view you can see every single BGA

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solder joint on the chips on the board pretty darn impressive for not removing

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any of the screws which by the way are convenient much easier to find now if we

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wanted to take the iix it approach and

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depending on the tuning which we're going to talk about in more depth later

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we can even zoom in Far Enough check this out check this out look at this

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that we can see this message from our

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sponsor thorum check out their Rings watches and necklaces made from unique

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materials like gibian meteorite and ethically sourced antlers you can check

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them out at the link below and use code LT to get 20% off without looking too

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closely at the spoilers behind me let's do that again but this time with a Sony

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dual sense controller because it really shows off both the power and the

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versatility of the Neptune CT scanner like before we're going to mount our

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device to foam Chuck it in the machine

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close the hatch and enable the

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X-rays I don't think that's ever going to get old once all that's done we get

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this view you can think of this less like a picture and more like a shadow of

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the controller but instead of a light Shadow it's an x-ray Shadow so the

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lighter areas here are where the less dense materials like plastic allow much

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of the X-ray radiation to pass through to our sensor the darker areas like

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these ones are the denser usually metal Parts like these screws or these giant

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vibration Motors that much more effectively block our photons we then

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take hundreds of these images from different angles and upload them to Luma

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Field's Voyager Cloud platform which does a bunch of maths to spit out this

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and I don't think this is ever going to get old either this is so cool this scan

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would have taken a couple of hours and you can actually see here we can flip

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our way through all of the raw x-rays that made up our 3D image then by moving

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the attenuation slider we can look at the different densities of materials in

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the controller for instance if we slide it all the way over we can see the air

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around the controller and then going the

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other way it removes the plastic first and then we can keep on going until it's

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broken down to just steel and solder it

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offers up a number of different views that can be extremely helpful depending

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on what you want to see the one we're looking at here allows us to go through

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the controller layer by layer so we can

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see the exact density of the capacitors

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on the trackpad for example we can see the rolls in the battery something that

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you definitely can't examine safely under normal circumstances and we can

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even look inside the rumble motor to see how it's built that is so cool we've

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been having an absolute Field Day scanning basically everything that'll

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fit in the machine like this Buzz Lightyear from the mom and pop TCH shop

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oh look there's his two infinity and beyond voice box uh we also did this

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high heel shoe when we were trying to figure out how to mount an adorable

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scary mouth to the bottom of it at a ubiquity access point to have a look at

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their antenna configuration and this

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power supply to see if we can use the Neptune to non-destructively inspect

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solder joint quality the answer is sort

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of is but let's back up a bit aren't CT

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scanners for medical applications and why doesn't this one look like a

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doughnut well while the main principles are the

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same between the Luma field and a medical CT scanner there's one main

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difference between the two in the Luma field we rotate the object while in a

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medical CT scanner we rotate the scanner itself also those things freaking rip

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and for a good reason humans are not

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great at staying still for a very long time and this is especially true of

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their heart and their lungs so a human scanner needs to be able to do a full

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360° scan in a fraction of a second or

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the motion blur from your organs doing inconvenient things like keeping you

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alive is going to ruin the image another reason medical CT scans go so fast is

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radiation an x-ray machine creates ionizing radiation which can potentially

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lead to inconveniences like cancer if you're exposed for too long so doctors

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are usually willing to give up some AC accuracy if it reduces how long a

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patient has to stay in there finally since humans aren't particularly dense

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medical CT scanners also aren't particularly powerful the Luma field

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though by contrast is powerful enough to see through steel so uh do not your hand

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here ever at all non-living objects

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though like this screwdriver available on LTT Store.com don't move unexpectedly

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and can be exposed to x-rays pretty much

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indefinitely without concern and the easiest way to keep them in there is

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floral foam as the name suggests it's

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designed to hold flowers but it also happens to work great for industrial CT

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scanning since it's extremely low density makes it virtually invisible in

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our scans one note is that it's very

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important to place your objects at a slight angle because flat surfaces can't

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be seen if they're parallel to the x-rays now that we've got our object

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secured we can place it on the table and begin setting up our scan what we want

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to do is line it up as best we can with our x-ray emitter the x-rays leave here

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and they go across the machine in a cone shape so we get the highest detail very

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close to the emitter right here oh I pumped it with my shoulder

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jeez we get the highest detail very close to the emitter right here and as

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you guys just saw the table can be reconfigured it can move up down left

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right and closer and farther from the emitter the problem with being in close

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is that we sacrifice maximum object size so we could do something like this right

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around here but if we wanted to scan something as large as Buzz here we can

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but he's going to have to go way at the back of the chamber and we are going to

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give up some detail after the x-rays pass through our object they hit this

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piece of carb carbon fiber right here called the scintillator the scintillator

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turns our x-rays into visible light for two reasons the first reason is that

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x-rays are famous for going through things which includes image sensors I

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assume that's bad yes yes that checks

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out and two image detectors for visible

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light are cheap like budget phones have

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three of them cheap so ctil lator it is

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anyway we can guess that the screwdriver is going to look good right about here

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close the door and give her a look see

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what are the odds I nailed this oh I didn't but hey remember

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this neat now that we've ensured that we're

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not going to cut off our object over the entire rotational range we're going to

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go ahead and set our scan parameters to 10 minutes this is going to be a pretty

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rough quick one and then we click optimize and start scan now for most of

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the scans that we do here the machine is going to take 900 individual x-rays

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slightly rotating the object then pausing for each exposure super quick

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scans like the one we're doing right now though are going to keep the center

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table slowly rotating for the entire scan in order to save some time hey it's

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done which I guess raises a question um

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was it safe for us to be standing here while it was doing that aren't x-rays

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you know radiation okay well first I just want to

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clarify that although Luma field does produce ionizing radiation it's not

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radioactive so that means the second the beam is turned off there is zero

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radiation from both the machine itself and from anything that was inside it so

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the only real concern is preventing x-rays from escaping from the machine

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while it's on but as it turns out that's

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pretty simple you just uh cover the whole thing in lead so much lead in fact

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that we had to rent a special heavy duty for lift in order to unload this thing

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at the back is three 8in lead plating

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and then around all the other sides is a/4 in of lead all of which is verified

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during installation to have no radiation leaks there's in fact so much lead

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around this thing that while the scanner is on you can stand right beside it and

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experience a reduction in the amount of radiation that you're receiving because

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it will block radiation from the Sun the

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radio acve materials in the ground below you and even that banana that your

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colleague is eating my devious plan to poison Linus is foiled again and also

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his insides wow all things considered the

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quality of this is pretty okay like

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obviously it's not as good as the longer scans but between the Reconstruction and

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the raw x-rays themselves there's a good chance that even a quick scan like this

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can tell us what we want to know like we we can see that oh a bit is missing so

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we managed to spot that but there's also a lot that this scan can't tell us like

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you can see the plastic around the bits here is just kind of a mess and there's

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no real detail in the ratchet mechanism so let's try this again but this time

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we're going to mess around with the manual settings first the main reason

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that the plastic in our first scan looks so strange is a phenomenon called beam

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hardening the X Source in our Luma field produces polychromatic x-rays which is

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to say that we have a range of low energy and high energy photons that are

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getting shot across the scanner the problem is the low energy photons get

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absorbed first while the high energy photons get through meaning that the

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first layer of material is always going to show up darker than the last bit of

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material which can lead to some of the weirdness that we just saw there's two

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main ways around this the first is to use monochromatic x-rays where all of

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the light that is emitted is at the same energy level but unfortunately achieving

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this requires a synchrotron or a linear

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accelerator why do those sound so expensive because they are so instead

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Luma field simply gets rid of most of the low energy photons by using one of

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the copper filters that you're going to see ah there we go on this wheel right

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here they range from .5 mm to 6 mm

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depending on how hard you want the beam the trade-off though is that the thicker

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the filter the less exposed the image is

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going to be meaning that you need to increase the scan time it's actually

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pretty similar to how an ND filter works on a film camera which if you think

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about it can actually be said for all of the settings on the Luma field let's set

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up the screwdriver scan again but manually this time exposure time 46

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seconds 2 and 1/2 mm and

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scan scan whatever it doesn't really matter

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because we're going to movie Magic this thing one cooking show Trick later we've

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got this there is still a little bit of

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weirdness in the plastic but our better exposure settings have given us a

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dramatically better look inside especially the metal portions of the

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screwdriver we can now see inside the ratchet and we can tell how far the

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Press fit portions are inserted we can also see exactly where the magnet ended

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up in the shaft and we can even see the individual teeth on the ratchet these

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are all things that were not as apparent on a quick 10-minute scan with that said

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for good results you don't always need to spend 12 hours irradiating apart the

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screwdriver just happens to be a particularly difficult example thanks to

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the steel and plastic that are very close together for an entirely plastic

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part you can get excellent results in half an hour with aluminum parts taking

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more like 4 hours and steel okay yeah I

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anything with steel in it is probably best left overnight but this raises a

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big question besides just looking really really cool what is the point of all of

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this and who needs one well the most obvious one is looking at the inside of

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an assembled part for things that you can only see while it's assembled like

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for example the squish of an O-ring or

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how much your battery pins are getting compressed once the cover is closed it's

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also great for validating injection molding or c casting like you could

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check for bubbles inside an alternator casing and you could see the deviation

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between the finished part and what was originally designed in the software

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there is one thing we should clarify though although it's unlikely that we'll

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damage electronics by looking at them in the Luma field it is possible after

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being exposed to ionizing radiation for a couple of hours bits can flip in flash

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memory and if that happens to the wrong bit whether it's the you know storage on

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your phone or the BIOS chip on your GPU whatever that is

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is going to be no worky fortunately Luma

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field has done the research on this and they've got a helpful article on how to

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calculate safe exposure levels to ensure that our phones and our gpus come out as

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happy as clams as for exactly what we

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are going to be using the Luma field for well I don't know guys the sky is kind

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of the limit here or well roughly the

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size of a basketball is the the real limit oh and also materials um gold it

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turns out is just too dense to blast through but neither of those limitations

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have stopped us from making good use of it already things we've scanned so far

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include this bread sorus prototype that we looked at to validate the factory

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glue application this massive Phillips

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head bit that we printed on our ridia metal 3D printer the Luma field allowed

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us to verify both that the dimensions are correct and also that the part is

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mechanically sound outside and in oh we

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used it to look at the hinge mechanism of the pixel fold we scanned a handful

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of computer mice which often you can't see the inside of without destroying and

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this scan of a GPU is already live on the LTT Labs website giving us a great

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look at the processor die size the memory chip layout and the cooler design

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without needing to remove the factory heat sink which could invalidate future

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thermal testing what's really turning heads though is not the functionality CT

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scanners have existed for decades it's the price now it is a subscription I

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know I know but the Neptune starts at

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$75,000 a year and includes their Voyager software that handles all of the

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Reconstruction that sounds really expensive because it is but it starts to

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sound a lot more reasonable when you consider that a lot of industrial CT

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scanners are going to require a full-time technician to run them who's

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going to put you over 7 $5,000 a year before you actually buy a quar million

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doll machine also I've said tons of

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times in the past that while I don't like subscriptions I don't mind them as

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long as they give me the option to buy the machine outright and Luma field does

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the price is uh well if you have to ask

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but it's intended for clients who are working with sensitive information and

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who want to do all of their processing in-house that actually feels like it'd

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be a really cool future video a GPU F to freak process this thing

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anyway it feels a little strange saying we're going to have a link below to

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where to get one of these for yourself but some of you for sure work in R&D or

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in manufacturing and are probably already thinking about how much time

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this thing could save you and then I guess for everyone else I don't know

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we'll link some of our scans so you can check those out and in the comments

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below let us know what you want to see us scan next just like I'll be scanning

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The Horizon for our sponsor

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and rings out of rare materials with rings made out of titanium Ironwood

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World War II rifle stocks and even ethically sourced antlers they've got a

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thorum silicone activity band and an American Walnut Wood ring box their

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minimalist watches feature the same unique materials like Hawaiian coawood

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and gibian meteorite you know like the kind from space and they even offer

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a cool looking ring check them out at th.com and use code LT to get 20% off if

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you guys enjoyed this video check out the last time we got a super expensive

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piece of test equipment by watching our Emi chamber video actually we've got

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some upgrades to share on that front uh sometime in the near future you probably

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don't recognize any of that gear on the table outside it