Thanks for mentioning me! I watch all your videos and really like your explanations.
@marcofico1
5 жыл бұрын
Hi there
@paullelyukh2422
5 жыл бұрын
Dude you, the thought emporium, and Nilered need to start your own online University!
@borisdorofeev5602
5 жыл бұрын
Ben has permanent youtube face from his last video!
@AlChemicalLife
5 жыл бұрын
Physics, engineering and chemistry!
@puppypi9668
5 жыл бұрын
@Barry Manilowa All absorbance is non-linear! :D See en.wikipedia.org/wiki/Beer%E2%80%93Lambert_law Our perception of color operates on spectra in a different way though, causing us to sometimes perceive a change in hue like you described (not just saturation/brightness), a phenomenon which is called en.wikipedia.org/wiki/Dichromatism :> (but since you mention adding acids and bases, I wonder if you're talking about pH indicator instead, which actually changes its color (from a chemical reaction), not just appears to change color due to a change in concentration) (but lets not hijack this thread and pester Ben everywhere he goes, heh ^_^' )
@nassalspray77
8 ай бұрын
As a guy that's responsible for training new users in flow cytometry, I used to have this elaborate presentation I would run through, now. I just link them to the start of this video. Excellent explanation of spectrometry and very succinct
@SamirPatnaik
5 жыл бұрын
Hands down this is what diy engineering channels should aspire for. It's safe to say I have waited for a channel like this for a decade, now. Subbed and Loved!
@realcygnus
5 жыл бұрын
cool stuff, your diversity seems vast. btw "Applied Science" certainly is/has been a great channel, Also "Tech Ingredients" is top notch too, just in case anyone wasn't already aware & is interested.
@hullinstruments
3 жыл бұрын
I’d like to add Marco reps and zenodilodon to that list. Especially if you were interested in lasers, spectroscopy, and precision lab equipment
@johndoex94
5 жыл бұрын
Actually you can estimate the concentration of bacteria by how much light is dispersed, not absorbed. That's why it's called OD instead of absorbance. Awesome video as always by the way
@lafilosocueva721
4 жыл бұрын
Well, both actually, you can either use nephelometry or turbidimetry
@LutzSchafer
3 ай бұрын
...and don't forget that OD is a logarithmic quantity
@Hobypyrocom
5 жыл бұрын
i was watching Applied Science video and you video was "Up next" and thats how i found out about your channel and i am subscribed to you ever since ;)
@nraynaud
5 жыл бұрын
Just to remind people that hot glue exists in black for this kind of application.
@maracachucho8701
5 жыл бұрын
Must be some *black* market stuff cause I've never seen it in my life.
@nraynaud
5 жыл бұрын
@@maracachucho8701 I think I can't post a link here, search on amazon "black hot glue"
@domen6005
5 жыл бұрын
@@maracachucho8701 It's also on ebay but smells very toxic
@rich1051414
5 жыл бұрын
I had black hot glue a long time ago and it had a pitch/tar smell to it. I think it was for different application than typical hot glue :P
@hamjudo
5 жыл бұрын
You would have saved me a whole lot of time and frustration if you had told me this back in 1992. I made a robot that used IR remote control receivers as range finders. Back then, the receivers were in little sheet metal boxes. They worked on the breadboard, but not when hot glued into the robot. The hot glue I used acted as an IR light pipe. Any IR that hit the hot glue blob was carried into that little metal box.
@bjarnivalur6330
5 жыл бұрын
Nice. I found this a bit funny since, just yesterday, my physics teacher showed us your video on measuring Planck's constant using light diffractions.
@BluesDoctor
5 жыл бұрын
No time to follow this through right now but I had to compliment you on the excellent introduction. Definitely will come back to follow it to the end! Thank you for the quality contribution.
@barrywilliams991
4 жыл бұрын
If I were ever to be marooned on a deserted island with only a can opener, a flat blade screwdriver and a flashlight, I would hope to have you or your doppelganger with me! The quality of your work and narration is simply stunning. I really have hope for the future of humankind when I see that the world is awash in smart people like you. May you find peace and prosperity all the days of your life. Amen. (Just a quirky little thing I picked up on KZitem.) ;^)✓
@5thDragonDreamCaster
5 жыл бұрын
Far-Red is possibly the most neglected portion of the electromagnetic spectrum. It consists of the portion from 700nm to 800nm, roughly. The visible spectrum and infrared do not have a clearly defined boundary, and far-red is a sort of transition zone between the two. Far-red light is visible, but it is not as bright as light in the rest of the visible spectrum. Far-red will also reflect off of most of the fabrics we call black. Some of you may have noticed that many black, fabrics have a very slight red tint to them when looked at under sunlight or incandescent light especially. This is due to far-red reflecting off of them. I have some 730nm LEDs, and I built a flashlight from a 3 watt one. When I take this light into a room and shine it on my black fabrics, the fabrics shine back red. Even more interesting is the fact that if the black fabric had been written on with black permanent marker, the writing becomes readable. Far-red LEDs make any other red LED look a bit orange by comparision; these far-red LEDs are so red that no screen can display how red they are. Far-red makes up some of the colors of a sunrise and sunset as well. Have you ever noticed that your black fabrics look a lttle bit 'rusty' at sunrise and sunset? The CIE and lumens are not perfect, because they ignore far-red and say that "anything over 700nm is infrared." I have some 3W 730nm LEDs, and they are visible, so not infrared. Before anybody says, "well maybe its just the portion of light under 700nm that you see.", nope, I have a lens from a broken digital camera that cuts off all light above 700nm, and when I look through this lens at these LEDs, almost no light is seen. When you look through the cut-off filter, if you have incandescent bulbs, you'll notice a few small color details missing as well.
@jafinch78
5 жыл бұрын
Nice build and presentation. All systems started with a handmade system for the most part. Increasing accuracy as needed with improvements in tools to make improvements in whats made and so on.
@johnmcclane4430
5 жыл бұрын
You're videos are great, not only for the actual builds, but for the absolutely superb explanations.
@parthpatel21007
3 жыл бұрын
I am a MSc in Biotechnology and I am still learning cool stuff which I could have done thanks for sharing such goods information for free.
@lewismassie
5 жыл бұрын
I've used the 'proper' UV-vis machines at my university (I study chemistry), and this was really interesting to watch. I might have to try and build one of these at some point
@AA-gl1dr
4 жыл бұрын
I’ve been looking for this tutorial for months and didn’t even know it. Thank you so much.
@chrisbalfour466
5 жыл бұрын
To split off narrow strips of glass I recommend using a pliers that has vinyl, masking, duct, or painters tape wrapped over the pincers. There's actually a couple special bronze tools for splitting glass used by glaziers, but they're all basically variations of pliers. Putting Kerosene or alcohol on the glass before scoring it can help create an uninterrupted scratch which breaks cleanly. It gets more difficult and less forgiving the closer the strip being cut is to the thickness of the pane. Glass is surprisingly amenable to sanding, and the edges could be sanded flat without compromising the strength of the piece. However, sanding the edges might cause back scattering of light and mess up the function of the spectroscope.
@buzzwordy09
2 жыл бұрын
Actually it's pretty simple to cut it using a rotary tool and a diamond blade.
@Veptis
5 жыл бұрын
I love the idea of making a hyperspectral camera that gives 4D data and the ideas behind it are very interesting.
@fss1704
4 жыл бұрын
Goddamit, i wished i had hyperspectral vision, that shit was awesome, btw i.m searching a way to use a high speed camera to do exactly that, there's a group that uses a LCD polarizer to change the phase differential and create a railleight filter
@OOOO-sp4qk
5 жыл бұрын
i love this scattered sciencey stuff
@alexdavidson7785
5 жыл бұрын
Their is SO much more u can do urself Astounding
@alexdavidson7785
5 жыл бұрын
@@SystemsPlanet read beyond the light barrier
@OOOO-sp4qk
5 жыл бұрын
@@SystemsPlanet as in scattered topics he covers
@jbindics
Жыл бұрын
Thanks for the inspireing video! Looks like I am not the only biologist affected heavily by phisics and electronics. I am curently building a spectrometer to test the light sources I am going to use to grow my plants. One note... you actually try to use your "nanodrop" in a fluorimeter mode. It is challenging using the current geometry as excitation light is usually orders of magnitude (3-4) more intense than the emitted fluorescent light. Ususally the emission is measured from a perpendicular direction, so the excitation light does not hit the detector. You should be able to measure DNA based on absorbtion using 260nm of full spectrum light (e.g xenon flash): A(260nm DNA) - A(260nm Water)
@Pauuanthakali
5 жыл бұрын
tip: to get a surface reflecting mirror.. rub paint thinner on a regular mirror.. it strips the color coat revealing the mirror surface.. hobby stores sell small precut mirrors..
@fss1704
4 жыл бұрын
I just rather use HDD platters, mirrors corrode over time and HDD platters are perfect mirrors that don't cost anything.
@linksmith1057
4 ай бұрын
This kind of tech is how a lot of water testing is done. Colorimeters use reagents that change color in the presence of certain chemicals, and using a filter that selects only for reagents color, you can quantify how much of the detected chemical is in water. You’ve done something like this when you mix purple cabbage juice into a liquid although in this case, it’s the PH your detecting.
@suhailch9962
5 жыл бұрын
I just love your videos 😍. Waiting for the spider silk video series
@alexdavidson7785
5 жыл бұрын
Sounds nice!
@rojirrim7298
5 жыл бұрын
Wow! This is incredible! What a nice project I'll have to make :P I'm so glad you posted this, thank you so much!!
@PeterSFam
5 жыл бұрын
To quantify DNA (or anything really) you will also need to calibrate the distance between the coverslip and the fiber optic cable end on the detector because of Beer's Law you need to know the light path length.
@sinviento
5 жыл бұрын
What a prize to find this channel. Thank you for sharing this great content!
@aniksamiurrahman6365
3 жыл бұрын
Now I'm sure that KZitem can read your mind. I was thinking of Thought Emporium's DIY spectroscope and this video showed up in my feed right away.
@sprinkhole58
4 жыл бұрын
Next time , cutting glass, score the glass with your glass cutter, then hit it a few times with intense heat (butane torch maybe?). The thermal shock will cause the glass to shatter along your scored line (which is hopefully a straight line).
@zelimirfedoran9720
5 жыл бұрын
You should pick up some black hot glue. It is amazing for projects like this, where you're trying to limit light coming through cracks.
@l3d-3dmaker58
5 жыл бұрын
AMAZING! can't wait to see what you use it for!
@curtismakes
4 жыл бұрын
You can measure DNA with absorbance at 260nm, don't need fluorescence if sample concentration above 5 ng/µL or so
@ProfessorKenny
4 жыл бұрын
The world could use more scientists like you :)
@israelramos7441
5 жыл бұрын
I didnt know There was a software to do that! As always nice video!
@justADeni
5 жыл бұрын
WTF thats absolutely amazing wow
@MarkxTube
5 жыл бұрын
Next time you need a mirror or glass: scratch it, heat it with boiling water then dunk it in ice water. After a few times it will break on the scratch line. Awsome build!
@vega1287
5 жыл бұрын
i know that styropyro has a pure uv laser pointer but the diode he used was a nichia NDU4116 , 375 nm laser diode but that thing costs like 4300$ or if my calculations are right a 750 nm lazer diode sent through a non linear cristal shuld work too
@hullinstruments
3 жыл бұрын
Damn dude if you know a lot about that stuff, KZitem sure as hell could use some more quality laser/science content. Don’t get me wrong styroPyros channel is cool but I am much more fan of the science oriented stuff. Like this channel, and Marco reps, zenodilodon, les’s lab, Tech ingredients, and others
@SciHeartJourney
3 жыл бұрын
Using paint remover, one can turn any regular mirror into a first surface mirror. It's cheaper too. If you don't have glazier pliers, you can use cardboard and regular pliers. Lubricate the glass cutter or it won't make a good score: automatic transmission fluid works great for this. It takes practice to cut glass. I have a friend that's a professional glazier who showed me how to cut glass. Wear gloves and sand down the sharp corners for safety. My friend used a belt sander.
@jhyland87
4 жыл бұрын
This thing is amazing! I can't wait to build one :-) Thanks for sharing
@ExtantFrodo2
5 жыл бұрын
Black hot glue is fantastic for sealing light tight boxes.
@AvixkThePig
5 жыл бұрын
Underrated video, honestly
@toreschanke4086
4 жыл бұрын
I remember I made a analog paper recording model, with a motor turning the grating, and a couple of light sensitivite resistors! It was just weird, compared to the instruments of today, 40 years later!
@askquestionstrythings
5 жыл бұрын
Very nice, I look forward to seeing the additional modifications to this design.
@beru1968
Жыл бұрын
In a Nanodrop, the light source is a xenon bulb, unfortunately a LED don't emit in UV-C (230 nm, 260 nm and 280 nm are important wavelengths in UV-Vis spectrophotometry), so you can't measure the absorbance of nucleic acids and proteins.
@dennisk5818
Жыл бұрын
After scoring the glass, sharply tap the steel ball end of the cutter ( on the opposite end of many glass cutters) directly under the scored line. When properly done, you will see an internal fracture start. Continue tapping ahead of this fracture.
@RoadRunnerMeep
4 жыл бұрын
Something I've always wanted to do see the other portions of the spectrum. There's such a world we don't know about
@MikkoRantalainen
3 жыл бұрын
Lots of good ideas here. I would like to add that finding a ready made black box would make the manufacturing part much faster. For example, another builder used old VHS cover case made out of black plastic. Hot glue should stick that pretty well and you can easily make the required holes on the plastic.
@Menshinin
4 ай бұрын
Хочется, увидеть спектр обычной лампы накаливания ;) Только он может показать точность измерения спектра.
@gizmoguyar
4 жыл бұрын
This is really amazing. I'm learning about spectrography. I'd like to make my own to analyze grow lights for indoor gardening. I'm confused about a few things. You use a white led in your device, but my understanding is that white LEDs do not emit very broad spectra. In your computer program the image showed a very even spectrum. Did you use a special LED? Also, I've looked at many DIY spectrography, and one thing they all seem to neglect is the fact that the camera isn't equally sensitive to all frequencies of light. I haven't figured out how to calibrate this away, given that I can't easily generate light with both a known wavelength *and* intensity.
@jonnyreverb
5 жыл бұрын
@8:36 "On a microscopic scale, a diffraction grating is essentially a series of tiny prisms" No, no it is not. Refraction is NOT diffraction. They are 2 completely different wave phenomenon. Refraction is light bending towards the normal as it moves from a less dense medium to a more dense medium (or vice versa) because the speed of the wave is different; diffraction is light recombining into a new beam vector based on the distance between the holes in the grating. And diffraction gratings are on the sub-microscopic scale, they're on the order of the wavelength of light, you're not going to see the lines of a diffraction grating in a microscope. You sounded so promising before you said that...
@techpiku1
Жыл бұрын
Near Slit , What is there ??? Diffraction grating or Mirror ?How to select wavelength for this caase? for example 400-700nm for analytical analysis of chemical solution or dye /Where you had connected DVD Diffraction grading? Have you connected the mirror? At the edge of the slit? Or you have connected in front of the camera-Lens?How to get absorbance -wavelength curve for a cuvette
@chemistryscuriosities
4 жыл бұрын
Hoya makes a great filter that removes most visible light and only allows ultraviolet light to pass. I use it for viewing florescent minerals under UV-C shortwave 265 nm light. It blocks out everything but the UV-C perfectly.
@boris-bikepack
5 жыл бұрын
Lovely video mate! keep it up, big support!
@logantan7213
5 жыл бұрын
The amount of light absorbed is also affected by the distance light travels through the medium( the thickness of liquid on the glass). Your equipment would be more accurate if that variable was controlled.
@Ottmar555
5 жыл бұрын
The original design is done to consider this, based on the original nanodrop. For some reason he discarded that.
@iantheorem
5 жыл бұрын
You are the smartest man on the Internet. I used to be the smartest man on the AOL years ago.
@mattiasfagerlund
5 жыл бұрын
This really should exist as a build kit with precut mirrors and stuff...
@matgggg55
5 жыл бұрын
I feel like this could serve a very useful purpose in underdeveloped countries where they couldn’t afford a $10,000 dna spectrometer, this could be a very marketable pice of equipment if you could manufacture one and sell to those countries for $200 or something
@dmajumdar2059
5 жыл бұрын
Brilliant video! Loved it thoroughly.
@Drakeblood97
3 жыл бұрын
Upwards of $100,000 for a spec that can do DNA? I guess I got to play with some pretty expensive hardware during my time as a lab tech/intern.
@chrisbivins936
5 жыл бұрын
your videos blow my mind every time
@sepphuaba2641
4 жыл бұрын
Hi, are there any updates on the Spec? I am probably going to try it out. I am especially interested in the identification and quantification possibilities :)
@TesserId
2 жыл бұрын
0:52 Raises the question: how is it that the Sun is seen as white? In fact, it's taken as the primary reference for white, isn't it? ~~~ The question triggers all my understanding of color psychology and developmental psychology. The best answer I have at this point is that we get wired that way when we grow up going out to play. ~~~ Well, there's a question that's going to have my little gray cells occupied for the next couple of decades.
@blinddirector
2 жыл бұрын
How important is having a really high quality diffraction grating here? Is that cheap 1000 line the best possible option? Would a glass 1000 line version be any different? How does using a CD change things? What does the diffraction grating component in the project impact beyond focal length?
@vast634
4 жыл бұрын
The "darkest commercially available" black paint seems still pretty shiny. I have seen demonstrations of black, that looked like black hole compared to the environment.
@TesserId
2 жыл бұрын
If ever there was an excuse to buy some Black 2.0... Wait, who needs an excuse... and, why the hell haven't I bought any yet?
@TheChemicalWorkshop
5 жыл бұрын
I hope someone releases this as a kit Could be usefull for all sorts of things
@askquestionstrythings
5 жыл бұрын
That's what's shown here, a kit with some additional modifications. There is a link to the kit in the video description.
@SK-cb6wz
3 жыл бұрын
Thank you so much
@OnlinePhenome
5 жыл бұрын
Pretty interesting video. I've used NanoDrop 2000 to measure DNA concentrations.
@abdontroche
Ай бұрын
This project is amazing. My question is: can I measure the soil's nutrients with this device?
@bensonwr
5 жыл бұрын
feeling smarter. thanks
@alexdavidson7785
5 жыл бұрын
Wisdoms more important than knowledge - Einstein An I'm a master of wisdom""
@JuankM1050
5 жыл бұрын
are just feelings
@johnrogers4983
5 жыл бұрын
AMAZING! Thanks
@AsmageddonPrince
3 жыл бұрын
You could accumulate data over multiple frames of the video in order to get more precise results, it's not like there's much if any external noise here, so your exposure time could be arbitrarily long.
@davidwoods1337
4 жыл бұрын
Great video -- just a note, Black 3.0 is now available and is way blacker!
@Anubite89
5 жыл бұрын
Wow, i really like your videos, especially this one since you mentioned works of ELISA tests. as i was misdiagnosed with stage 2 Lyme borreliosis, i did an elisa with a false positive and had to bear with 2 years of therapy for lyme disease. and elisa was veeery expensive at that time, it probably still is.
@MiniLuv-1984
5 жыл бұрын
What a great project and a great video! I'm always amazed how a diffraction grating instantly creates a spectrum c.f. FFT et al that require time to produce the same spectrum...I know, "duh"...but it still amazes me - the universe works in parallel and near on instantaneously....man we have a long way to go! Keep on plugging other science sites...the world is suffering from far too much BS.
@stanleydenning
5 жыл бұрын
I have done some study in the subject. It is a fascinating thing, Light and color; The way our eyes see color and how our brains perceive it. But, if our eyes and brains could see what really is, we wouldn't enjoy it very much. Luck to be human.
@diyweights3692
4 жыл бұрын
Very clever.
@rpbale
3 жыл бұрын
Great video. I’d like to build this to measure the color of vintage postage stamps. Do you have any advice for doing this?
@muratgezen5155
5 жыл бұрын
Is it possible to calibrate it with commercial calibration samples to measure some substances within eaxact ratios, like sulphur in appel juice, potassium in water?
@Abdega
5 жыл бұрын
I would think so, You might could make your own calibration standards. Like maybe make 3 known concentrations of potassium chloride, then use that to extrapolate out what the potassium would be in sampled water. Or maybe use ammonium sulfate to get the sulfur concentrations
@muratgezen5155
5 жыл бұрын
@@Abdega thank you, it is worth to give a try
@HominidPetro
5 жыл бұрын
Technically it's a spectrophotometer, not a spectrometer, since it deals with spectroscopy, not spectrometry...But still, you're a genius.
@colemanpinkerton2736
4 жыл бұрын
Great breakdown to how this stuff works! loved it :) I was going to ask why you were planning to get DNA concentration from fluorescence, as opposed to absorbance (i.e. log(Transmission)), which is what a nanodrop/any decent professional UV/vis spec would do. But then I realized its either your camera, or your laser doesn't go down to at least 260 nm, which is where DNA absorption is usually measured. I think with the laser/camera combo you have right now, you aren't actually getting much more functionality out of having two light sources. Also, why use a UV laser, as opposed to a more broad spectrum UV LED, or at least smaller wavelength laser? That might help you with the DNA fluorescence - if you are using ethidium bromide, it absorbs most between 210 and 285 nm (for excitation at 600 nm). So even if your camera can't see those photons, it will excite EtBr without needing to jack the laser up as high as you do right now.
@mukundsrinivas8426
5 жыл бұрын
Nice! I think next is a flow cell and a pump and some silica for a column
@dejayrezme8617
5 жыл бұрын
Awesome! So in what spectrum range are cheaply available sensors sensitive? Can you remove the beyer filter to get a monochrome image with higher resolution / sensitivity (throwing less light away and less noise). Thanks for the video your channel is really awesome!
@andshofs5769
10 ай бұрын
Lots tried, you have only some luck amd throw away other semsors you mistreated by rather some chemical-mechanical brute force approach ; it’s a pity real b/w or UV or NIR photography has not more friends. There are people selling modified camera bodies with abrased filter layer, best re-seal.
@Nawmps
5 жыл бұрын
Yesssssssss another upload ❤❤
@frroossst4267
5 жыл бұрын
I like biology but your videos really want me to go into the field
@jean9910
5 жыл бұрын
You should rent a high end Spectrometer and make comparisons, could be really cool and give an idea on if you can get away with DIY.
@TesserId
2 жыл бұрын
8:43 1000 lines per mm... What are the other line counts you tried? Are there higher counts? ~~~ Now I'm wondering what it would take to make these at home, as well as how to ensure the highest "geometric" quality of the physical grating.
@mrnobody339
5 жыл бұрын
You've got an amazing educational system going for private research for the general public. I'd like to discuss working together sometime.
@foolwise4703
5 жыл бұрын
Be careful with calibrating the wavelength based on diode lasers. Their exact wavelength depends on the current battery voltage and vary stronger than one might think.
@alexschemm348
5 жыл бұрын
Temperature as well can have an impact. I don't know the magnitude of the differential but it exists
@nth2tell
4 жыл бұрын
Try to rub a water on the crack lines next time before you break the glass. It helps.
@unvergebeneid
5 жыл бұрын
Aren't there tons of nonlinearities in the sensor and anything you'd use to calibrate it? How do you get around that?
@fapasaurusrex
5 жыл бұрын
actually, sensors only detect red green and blue light so you can calibrate straight off red green and blue
@inverse2k1
4 жыл бұрын
@@fapasaurusrex actually, you don't know what you're talking about. In such instances it is always best to keep your mouth shut: it really helps other people.
@inverse2k1
4 жыл бұрын
Yes, the spectral responsivity of a color webcam is always an absolute mess of nonlinearities. The Bayer filter response if very far from the smooth response of a human eye and can be summarized as three or more peaks centered on red, gree, blue plus secondary peaks of minor importance due to undulations in the response of each color pixel, plus a series of larger dips and peaks due to the fact that each individual color filter has minor ripple responses to both red and blue wavelengths. Also, in the infrared Bayer filters become substantially transparent and this behaviour starts in the deep red part of the spectrum around 660~670nm. Calibrating such a huge mess is almost impossible, and your best bet is to get a proper monochrome sensor or accept the fact that the instrument is ok for qualitative results only and the response is somewhat linear at *single wavelengths* but the spectral response as a whole is practically unpredictable .
@fapasaurusrex
4 жыл бұрын
inverse2k1 woah holy shit you could’ve just said I was wrong instead of being so triggered by it :/
@wolfgangeuen9799
3 жыл бұрын
Excellent!
@bens4446
Жыл бұрын
So if you're going to use a laser, why not go full Raman spectroscope? You might need to change the layout a bit and would need to add a beam splitter, and you might need slightly bigger sample sizes involving a cuvette, but on the bright side you could probably do away with the fiber optics stuff. Seems like you're pretty close to Raman spectroscopy. I say it would be a damn shame not to go all the way after coming this far.
@thatguy431
5 жыл бұрын
Dude, you are amazing. Thank you.
@InsistoSonocazzimiei
2 ай бұрын
Well 10k dollars for a spec that can measure DNA.....well i have the exact same problem with identifing metal alloys. A handheld XFR is also many 1000's of dollars...Can you make this work to detect aluminium alloys for example. One would need to "excite" the alloy somehow, but it might be possible.
@SciHeartJourney
4 жыл бұрын
I can't find that Thereamino software. Is there a link? I did find an open source general tool called Theramino, but it's not the code we see here. Great job here! I want to build this, but fear that the software will be the hardest part. It's worth the effort though.
@PlasmaHH
5 жыл бұрын
Don't you guys have a 3D printer? Back in the end of the 90s (no 3d scanner then, mostly lego) we took a scanners ccd sensor (usually about 2048 pixels in a line) and collimated a spectrum onto it. This might be more work but ultimately should lead to a much better spectral resolution than the webcam (in that crop, how much do you have? 500 pixels?) not sure about how to get it into such a software though, maybe talk to the authors to enable them to write data input plugins.
@OhanSmit
5 жыл бұрын
This is pretty awesome :)
@alkeryn1700
Жыл бұрын
with how easy it is to build i'm still surprise there is still no cheap usb version of that.
@giacomomarchioro3455
3 жыл бұрын
There is not as much as green light as infrared light, infrared light is much more! CCD and CMOS based on Silicon have lower quantum efficiency in the infrared compared to the green, they are much more sensitive in at the green wavelength of the laser. So you can't compare them so easily.
@yogendrasinghsolanki9795
4 жыл бұрын
your contribution in this field is mind-blowing but I have a query. What was the total cost of febrication? And which software was use to peak display
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