Notes tagged with spectrometer


WheeTrometer 2.0

by bhickman | 4 days ago | 2 | 282 views | 2

WheeTrometer 2.0 What we want to do: We want to provide an affordable, open source spectrophoto...

Read more »

spectrometer


Pesticide Monitoring Data Website

by silverhammer | 11 days ago | 2 | 418 views | 1

What I want to do I want to take the work I've done on testing pesticide levels in raspberries, ...

Read more »

pesticides pesticide spectrometer raspberries


Low Cost Non destructive Whole fruit Analysis

by Ethan | 12 days ago | 2 | 557 views | 1

What I want to do Having read some of the research notes in this community, I guess this line of...

Read more »

non-destructive Fruit spoilage ripening


reducing reflections in foldup spec

by liz | 14 days ago | 2 | 404 views | 1

Originally, it was stoft who pointed out that the shininess of cell phones backs when using the f...

Read more »

fold-up spectrometer reflection



An attempt to test olive oil substance with spectrometer.

by muyueh | 14 days ago | 1 | 480 views | 1

What I want to do An attempt to test olive oil substance with spectrometer. This will happen ton...

Read more »

spectrometer oil taipei olive-oil


Selenium detection methods & ideas on e-cigarette atomizers for DIY analysis

by warren | 17 days ago | 3 | 706 views | 2

This PDF has some great notes on all different approaches for measuring selenium in soil, water, ...

Read more »

spectrometer e-cigarette selenium flame


DIY Micro Volume Spectrophotometer

by gaudi | 22 days ago | 3 | 611 views | 2

Attempt to build DIY Microvolume Spectrophotometers or Fluorospectrometers to quantitate micro-vo...

Read more »

nanometer Nano-Drop Spectrometer Sampling


Test Rig for Portable Spectrometer

by silverhammer | about 1 month ago | 2 | 725 views | 1

What I want to do I got inspired from this post on checking oils spills posted earlier. What in...

Read more »

spectrometer light-source portable



Calibrating Spectrometers from fluorescent light bulbs

by jholmes5 | about 1 month ago | 2 | 859 views | 1

I was at the Spectrometry Workshop in Brooklyn on Sunday and we were trying to follow the directi...

Read more »

spectrometry new-york-city laser response:10190


Oil Fluorescence Testing station from a spectrometer box

by mathew | about 1 month ago | 2 | 884 views | 2

Download the cut pattern as a pdf: cutpattern.pdf What I want to do modify the standard deskto...

Read more »

spectrometer oil-testing-kit


Food grade oil samples

by liz | about 1 month ago | 1 | 532 views | 0

What I want to do Prepare simple, food grade oil samples to use to explore oil spectral analysis...

Read more »

spectroscopy oil new-york-city spectrometer


GSoC Proposal SpectralWorkbench

by PascalW | about 1 month ago | 22 | 583 views | 2

GsoC Proposal Name: Pascal Winkelmann E-Mail: Click! (anti spam) Affiliation: LMU Munich (Chem...

Read more »

gsoc hdr gsoc-2014 calibration



Workshop: spec-tacular

by liz | about 1 month ago | 4 | 405 views | 0

Event details When: Sunday, March 16 1:30pm - 4:30pm Where: 630 Flushing Avenue -- enter...

Read more »

spectrometer oil-testing-kit oil fluorescence


Color Quality Control

by RauAutowood | about 1 month ago | 1 | 502 views | 0

I want to use the desktop spectrometry kit as a quality control tool in the production of finishe...

Read more »

spectrometer tool


HDR2: Using Over-Exposure to Your Advantage

by stoft | about 1 month ago | 3 | 512 views | 1

Background Since writing some notes, a while back, on improving dynamic range ( HDR: In search of...

Read more »

spectrometer hdr dynamic-range


Molar Absorptivity Coefficient of Enzyme-Substrate Complex in Pesticide Detection Assay

by silverhammer | about 1 month ago | 0 | 559 views | 0

Purpose: Estimate the Molar Absorptivity Coefficient (e) of the enzyme-substrate (E-S) complex o...

Read more »

spectrometer raspberries pesticides



Automatic Spectrometer Calibration and Offline SWB - GSoC 2014 Proposal

by Sreyanth | about 1 month ago | 18 | 570 views | 1

Name: Mora Sreyantha Chary, (fondly called as Sreyanth) Affiliation (school/degree): National In...

Read more »

gsoc gsoc-2014 gsoc-proposal spectralworkbench


Evaluation of Pesticide Residues in Organic Raspberries using Different Extraction Solvents

by silverhammer | about 1 month ago | 6 | 598 views | 2

Purpose Explore alternative extract solvents that are easier to work with or more readily access...

Read more »

spectrometer raspberries pesticides response:10014


3D Printed body for DIY Spectrometry Kit

by RTegelbeckers | about 1 month ago | 3 | 628 views | 2

I received a DIY Spectrometry Kit as part of a price on the 'Build My Lab' contest on instructabl...

Read more »

spectrometer 3d-printing dsk instructables


Mobile cuvette holder

by cfastie | about 1 month ago | 3 | 1,006 views | 1

At SNOWFEST we made great progress on the smartphone spectrometer cuvette holder thanks to Jeff's...

Read more »

spectrometer sampling oil-sampling-kit cuvettes



20 Oil Testing kits (draft 1)

by mathew | 2 months ago | 0 | 603 views | 0

What I want to do Buy 20 testing kits to Jeff's design. The parts are as follows: 4 square glas...

Read more »

spectrometer oil-testing-kit


Public Lab receives support from the 11th Hour Project for a Silica Monitoring Pilot Program

by Shannon | 2 months ago | 2 | 948 views | 1

The Public Lab nonprofit is excited to announce that we’ve received a two-year grant from the 11t...

Read more »

silica fracking spectrometer air-quality


CP RR oil tanker leak from Red wing to Winona MN, beside Mississippi River

by marlokeno | 2 months ago | 4 | 623 views | 2

I want to know how much oil spilled, what type of oil it is-reportedly, Bakken oil, and whether t...

Read more »

oil spill bakken train


Sampling extension for smartphone specs

by warren | 3 months ago | 8 | 626 views | 2

Mathew Lippincott and I have been talking about the Oil Sampling Kit and how to streamline it eve...

Read more »

spectrometer sampling oil-sampling-kit cuvettes



Detecting Pesticides in Organic and Conventional Raspberries using Open Source Instrumentation

by silverhammer | 3 months ago | 5 | 2,007 views | 5

Purpose Develop a method to quickly determine if organophosphate and/or carbamate pesticides are...

Read more »

spectrometer raspberries pesticide organic


Fat percent in milk

by wagnerc4 | 3 months ago | 8 | 669 views | 2

I work in a litter industry that process milk cow, here the fat percent is measured with: Gerber ...

Read more »

milk milk-fat spectrometer


Linear CCD

by borsaci06 | 3 months ago | 4 | 735 views | 1

I already constructed a spectometer and testing it... I want to know whether a Linear CCD can be ...

Read more »

spectrometer linearccd


Public remote sensing

by Dongjie | 3 months ago | 2 | 737 views | 0

What I want to do Let the remote sensing technology to be used in our daily life. My attempt an...

Read more »

spectrometer tool



Reagent-based PAH, VOH, PCB testing kits for soil and water, with pricing

by warren | 3 months ago | 0 | 751 views | 0

We need established tests to compare our own tests to, even if the established tests are expensiv...

Read more »

reagents testing field-testing pah


Using PhotosynQ as general purpose tool for detecting contaminants

by gbathree | 3 months ago | 5 | 592 views | 1

If you haven't heard of PhotosynQ, it's a platform for measing plant health with a focus on plant...

Read more »

photosynq spectrometer fluorescence photosynthesis


Public Lab Launches New Initiative to Affordably Detect Pollutants with Open Hardware Tools

by Shannon | 3 months ago | 0 | 3,317 views | 0

NEWS RELEASE FOR IMMEDIATE RELEASE January 14, 2014 Public Lab Launches New Initiative to Afford...

Read more »

spectrometer gulf-coast press-release


New beta capture interface for Spectral Workbench

by warren | 4 months ago | 5 | 1,895 views | 1

I've been working in my spare time on a new interface for capturing spectra, pictured above, whic...

Read more »

spectralworkbench spectrometer



Spectrometry Sample Extraction at the Parts & Crafts Toolshed-Raising

by warren | 4 months ago | 0 | 1,415 views | 2

I wanted to report back from last month's water quality meetup in Somerville, which was graciousl...

Read more »

spectrometer sample-prep oil partsandcrafts


Poster on issues with PAH detection in fish

by warren | 5 months ago | 0 | 1,042 views | 0

This poster (NOT released under an open license; merely published here with the permission of co-...

Read more »

pah oil fish barataria


Flare Spectrometer proposal in Shreveport and Meraux Louisiana

by AndyZ | 5 months ago | 0 | 1,322 views | 1

Proposed sites: A. Calumet Lubricants 8 (AI 1214) in Shreveport, LA a. Hosted by: Andy Zel...

Read more »

flame-spectroscopy spectrometer spectralworkbench spectrum-matching


Introducing the Public Lab Smartphone Spectrometer

by warren | 5 months ago | 2 | 2,072 views | 0

At long last, we've started shipping the Smartphone Spectrometer, formerly called the "Backpack S...

Read more »

spectrometer kickstarter smartphone-spectrometer



Vermont Environmental Summit 2013

by cfastie | 6 months ago | 1 | 1,223 views | 0

Image above: VPIRG and TAC held a little celebration for the retirement of the Vermont Yankee nuc...

Read more »

Vermont balloon-mapping near-infrared-camera spectrometer


Fluorescence of BP oil with UV laser: success!

by warren | 6 months ago | 15 | 1,824 views | 4

What I want to do Scott Eustis and I and others have made a number of attempts to get clear fluo...

Read more »

response:8955 response:8949 response:9306 response:7551


Spectroscopy of oxyhydrogen flames

by tungs10 | 6 months ago | 2 | 788 views | 0

To see research so far: click here Hydrogen flames are generally colorless. Very little emissio...

Read more »

hydrogen spectrometer oxyhydrogen


Photos of my modifications to the sprctrograph

by Naljorpa | 6 months ago | 4 | 778 views | 1

I apologize for the fuzziness of the first photo.

Read more »

tripod spectrometer dsk



Some simple additions for the new spectroscope camera

by Ligon | 6 months ago | 2 | 890 views | 0

I had a bit of a problem with keeping the new camera in place, so I placed several pieces of thin...

Read more »

spectrometer


Spectral Workbench Offline

by warren | 6 months ago | 2 | 1,072 views | 0

I spoke with some Firefox OS folks at Mozfest this weekend about the "offline manifest" system in...

Read more »

spectralworkbench offline spectrometer


Any Help ! Fracking Project

by RachelFinan23 | 6 months ago | 3 | 709 views | 2

Hey, I am new to this site and I have been given a interesting thesis project at college. My supe...

Read more »

fracking request spectrometer


CCD Photodiode Array Spectrometer

by bhickman | 7 months ago | 7 | 2,413 views | 4

Overview The goal was to make an affordable spectrometer with a resolution that is comparable to...

Read more »

spectrometer beers-law cuvette



Lycopene

by cfastie | 7 months ago | 0 | 1,479 views | 0

Image above: Shaken and stirred, these extracts of ripe and green tomatoes get most of their colo...

Read more »

garden infragram near-infrared-camera LEAFFEST2013


Absorption lines in flare spectra

by warren | 7 months ago | 0 | 794 views | 0

What I want to do There seem to be some distinct lines missing in the Chalmette flare spectra fo...

Read more »

flare spectrometer chalmette absorption


Trying to detect emission lines in flare spectra from Chalmette

by warren | 7 months ago | 2 | 945 views | 0

What I want to do Following up on the various attempts to monitor gas refinery flares in Chalm...

Read more »

flare spectrometer chalmette analysis


Cheap spectrometer fundraiser on indiegogo

by nemo | 7 months ago | 5 | 859 views | 0

Cheap spectrometer fundraiser on indiegogo which is tailored towards food detection ... Are t...

Read more »

spectrometer



Modification of camera position on older desktop spectrometer kit for flare spectrometry

by eustatic | 7 months ago | 4 | 1,663 views | 0

Look at this picture instead of the diagram for step 6: Why The alignment of the camera and t...

Read more »

gulf-coast chapter flare spectrometer


Sources for publiclab absorption spectrometry materials --Gulf Coast 2013

by eustatic | 7 months ago | 0 | 840 views | 0

Field / Grab Sample Jar Special EPA cleaned Brown Glass from EP in Miami, OK 1 800 331 7425 ...

Read more »

spectrometer source spectrometry container


Help!! Problems with spectrophotometer spectra trying to build "countertop" set

by dckim | 7 months ago | 8 | 1,278 views | 2

pic10.bmp pic11.bmp pic12.bmp pic13.bmp I was so happy with getting spectra using sta...

Read more »

spectrophotometer dsk spectrometer troubleshooting


telephone poles & streetlights at sunset

by mathew | 7 months ago | 0 | 886 views | 1

What I want to do resolve open questions from my last batch of slit tests. 1) figure out of the...

Read more »

spectrometer



Stepped slit tests

by warren | 7 months ago | 4 | 1,005 views | 2

What I want to do Following up on Mathew Lippincott's printed slit tests, Dave Stoft and I had h...

Read more »

spectrometer slit clipping response:9366


Photo-printed collimation slit for the Backpack Spectrometer

by mathew | 7 months ago | 3 | 1,315 views | 1

What I want to do Photo emulsion print a more accurate collimation slit based on ideas from Jeff...

Read more »

spectrometer stepped-slit slit


Finding closest match spectra from the database (GSoC) - Final Post!

by Sreyanth | 7 months ago | 3 | 1,450 views | 3

Continuing with my previous research notes [1, 2], which discuss about the whereabouts of my proj...

Read more »

gsoc-2013 closest-match spectralworkbench spectral-matching


Finding Neon

by cfastie | 7 months ago | 3 | 1,161 views | 3

Image above: The spectra of the red tubes in these six neon signs are at SpectralWorkbench. You c...

Read more »

spectralworkbench spectrometer ebert gsoc



Open Source Linear CMOS Spectrometer

by mathew | 7 months ago | 1 | 1,482 views | 1

The Tricorder Project has just released a linear CMOS sensor spectrometer design. with 3D printin...

Read more »

spectrometry spectrometer


Infrared behavior of A810

by cfastie | 8 months ago | 3 | 1,128 views | 0

Image above: NIR selfie. The NIR LED (foreground) is the only source of light. Taken with a modif...

Read more »

spectrometer histogram leds near-infrared-camera


Spectra of Sparkfun Multicolor LED kit

by warren | 8 months ago | 2 | 967 views | 0

This dataset has some failings, however -- I was unable to record the spectra at the same hori...

Read more »

spectrometer smartphone-spectrometer sparkfun LEDs


Nungesser test #2, UV and green lazer

by eustatic | 8 months ago | 3 | 942 views | 1

What I want to do From the previous note, test the coal or petroleum coke sample for contaminant...

Read more »

spectrometer gulf-coast coal unitedbulk



Nungesser test: collection of Coal or Petroleum coke for further testing

by eustatic | 8 months ago | 2 | 1,304 views | 2

What and Why We in the clean gulf commerce coalition want to do quick test of coal or petroleum ...

Read more »

spectrometer gulf-coast coal unitedbulk


Smartphone spectrometer instructions

by warren | 8 months ago | 0 | 1,034 views | 0

For the Kickstarter Smartphone Spectrometers, Mathew and I did a new instructions sheet detailing...

Read more »

smartphone-spectrometer spectrometer kickstarter


HOMEMADE SPECTOMETER FOR SAMPLE ABSORSTION ANALYSYS AND A TYPE OF RAMMAN SPECTROSCOPY

by homechemist | 8 months ago | 4 | 2,308 views | 1

Inspired by the Public Lab great ideas and by one of the techniques that my chemistry teacher us...

Read more »

spectrometer spain raman soil


Smartphone spectrometer molded samples have arrived!

by warren | 8 months ago | 4 | 1,140 views | 2

We are now making final plastics decisions and setting up the final run of 1000! Just wanted to s...

Read more »

smartphone-spectrometer spectrometer molding iphone



Steampunk spectrometer photos

by warren | 8 months ago | 0 | 1,070 views | 0

Just posting some nice almost-complete photos of the Steampunk Spectrometers from the Kickstarter...

Read more »

spectrometer steampunk steampunk-spectrometer kickstarter


Comparative and qualitative flame spectroscopy

by warren | 8 months ago | 0 | 1,101 views | 1

The lead image is from three photos on Wikipedia's article on flame testing, which lists a variet...

Read more »

spectrometer flare emission emissions


Importing spectra from NIST and WebMineral.com to Spectral Workbench

by warren | 8 months ago | 4 | 1,580 views | 2

What I want to do To help with the flare spectroscopy effort, I wanted to try importing some kno...

Read more »

spectrometer flare emission emissions


Design for coffee spectrometer

by warren | 9 months ago | 3 | 1,526 views | 2

Based on the ideas I was brainstorming a few days ago, I put together a 3d model of a sort of cou...

Read more »

coffee spectrometer sampling 3d-printing



Smartphone spectrometer molds being machined

by warren | 9 months ago | 0 | 907 views | 1

Louis from ProtoEdge just sent me these great photos of the aluminum molds being machined for the...

Read more »

spectrometer molding kickstarter


Brainstorming "coffee analytics" system for coffee shops

by warren | 9 months ago | 5 | 1,179 views | 1

Lots of folks have talked about using spectrometers in coffee shops, and I know several of our co...

Read more »

coffee spectrometer sampling eyedropper


Filtered tap H2O vs unfiltered tap H2O spectral graph comparison

by Suiris | 9 months ago | 14 | 1,282 views | 1

I wanted to put my water filter up to a test. Two identical transparent bottles were filled with ...

Read more »

spectroscopy Sweden transmittance water-quality


New spectrometer build and CFL lines

by Suiris | 9 months ago | 13 | 1,129 views | 2

I decided to build my second spectrometer. I built a box, long and wide enough for me to put a Ca...

Read more »

spectrometer spectroscopy



Zapping Grand Isle Coffee: Team Orca and the green laser

by eustatic | 9 months ago | 1 | 959 views | 1

What I want to do Per Jeff's repeated suggestion, I zapped the two dilutions of Grand Isle Tar B...

Read more »

spectrometry gulf-coast BP tarball


Making Grand Isle Coffee: Team Orca

by eustatic | 9 months ago | 2 | 1,031 views | 1

What I want to do As part of Team Orca, I wanted to work on a method to process tar balls cheap...

Read more »

spectrometry gulf-coast BP tarball


Public Lab and NASA DEVELOP fieldwork session one

by Shannon | 9 months ago | 2 | 1,030 views | 2

We've been working with a small team from NASA DEVELOP National Program that is headquartered at ...

Read more »

Chalmette spectrometer flare gulf-coast


Modifications and tweaks for flare spectrometry

by warren | 9 months ago | 1 | 1,091 views | 1

Down in Chalmette, Louisiana, folks have been using DIY spectrometers to try to detect light from...

Read more »

spectrometer flare distance-spectrometry modifications



Can we kick it? Yes we can. Signal from a Flickering Refinery Flare

by eustatic | 9 months ago | 2 | 1,187 views | 1

rudimentary desktop spectrometer pointed at a sodium light (upper left) and a "resting" refi...

Read more »

spectrometry flare chalmette gulf-coast


Chalmette flare spectrum field trip

by danbeavers | 9 months ago | 0 | 914 views | 1

What I want to do I have not had time to do any analysis yet so in order to not be too much of a...

Read more »

flare spectrometer chalmette new-orleans


Smartphone spectrometer now available on Shapeways

by warren | 9 months ago | 0 | 1,225 views | 1

As the smartphone spectrometer is going into production, we're also posting the most recent 3d pr...

Read more »

spectrometer backpack mobile-spectrometer


Finding closest match spectra from the database (GSoC) - work done so far

by Sreyanth | 9 months ago | 1 | 1,337 views | 4

Continuing with my previous note here: http://publiclab.org/notes/Sreyanth/06-24-2013/find-closes...

Read more »

GSoC spectral-workbench spectral-searching closest-match



Proposal: SLR spectrometer attachment

by warren | 9 months ago | 5 | 1,670 views | 1

Lots of folks have talked about doing a higher-end spectrometer attachment based on an SLR lens m...

Read more »

spectrometer slr adaptor 3d-printing


Smoothing macro using Spectral Workbench API

by warren | 9 months ago | 0 | 1,043 views | 1

What I want to do We turned off "smoothing" a while ago on the capture interface for Spectral Wo...

Read more »

spectrometer smoothing spectral-workbench spectral-workbench-api


Enhancing Sensitivity of DIY Spectrometers

by philippg | 9 months ago | 5 | 1,316 views | 1

What I want to do In a previous post about water quality measurements with DIY spectrometers, I ...

Read more »

spectrometer sensitivity water-quality smoothing


Small test tube with 6 ml sample water

by janezhz | 9 months ago | 2 | 1,249 views | 0

Small test tubes with 6ml sample water Wakefield Lake Time collected: 9:23am Maplewood Minnesota:...

Read more »

yea YeaCorps YeaCorp Yea_Corps



Spectral Workbench Improvements

by PeterDavidowicz | 9 months ago | 1 | 942 views | 0

Suggestions to improve the spectral workbench software Automatically calibrate EVERY row of pixe...

Read more »

spectrometer spectral-workbench


Spectrometer Curriculum

by PeterDavidowicz | 9 months ago | 1 | 1,223 views | 0

Moved to public wiki page here http://publiclab.org/wiki/spectrometer-curriculum

Read more »

spectrometer curriculum education


Water Quality Measurements with Optical Spectroscopy

by philippg | 10 months ago | 10 | 1,559 views | 4

What I want to do I'm a PhD student working on water remote sensing. In water remote sensing, or...

Read more »

spectrometer water-monitoring estonia chlorophyll


Using optic fiber to take a picture of multiple light spectrum at the same time

by id022012 | 10 months ago | 2 | 1,077 views | 1

Proof of concept: using optic fiber to take a picture of multiple light spectrum at the same time...

Read more »

spectrometer optic_fiber fiber



A Spectrometric Tool for Hydrocarbon Spill Response

by id022012 | 10 months ago | 2 | 1,121 views | 3

Feasibility study for rapid, low cost, in situ visible light spectrum measurement and analysis of...

Read more »

spill Quebec Canada Municipal


New foldable spectrometer packaging

by warren | 10 months ago | 1 | 1,050 views | 2

We've just redesigned the foldable spectrometer packaging to tell a clearer story about what the ...

Read more »

spectrometer


Find closest match spectra from database - GSoC project

by Sreyanth | 10 months ago | 4 | 1,017 views | 2

Who I am Hi everyone. I am Sreyantha Chary Mora (preferred: Sreyanth), a senior undergrad majori...

Read more »

spectral-matching spectral-workbench gsoc spectrometer


Spectra Workbench for offline use?

by drabanus | 11 months ago | 2 | 1,728 views | 0

Dear spectral workbench developers, could you give me an advise on which sw package to download ...

Read more »

software deployment spectralworkbench spectrometer offline



HDR: In search of High-er Dynamic Range

by stoft | 11 months ago | 2 | 1,509 views | 3

Abstract By adapting the DSLR photography concept of HDR to the webcam spectrometer, plot result...

Read more »

spectrometer calibration hdr attenuation


Talk at the New England Society of Applied Spectroscopy

by warren | 11 months ago | 1 | 1,100 views | 1

I'm giving a short talk at the NE chapter of the Society of Applied Spectroscopy today outside Bo...

Read more »

presentation nesas spectrometer


Desktop Spectrometry Kit v2.5 tests

by warren | 12 months ago | 1 | 1,352 views | 0

We're upgrading the kits in a few weeks, and I just put one of our new Sanm webcams in a box at t...

Read more »

spectrometer dsk kit sanm


Laser oil fluorescence proof of concept

by warren | 12 months ago | 3 | 1,320 views | 2

I just worked with some smart and excitable kids from Parts & Crafts and we managed to get a ...

Read more »

spectrometer partsandcrafts oil fluorescence



In Search of Spectrometer Attenuators

by stoft | 12 months ago | 14 | 1,264 views | 1

As referenced in a previous Note: http://publiclab.org/notes/stoft/05-14-2013/in-search-of-spectr...

Read more »

spectrometer slit desktop-spectrometry-kit improvements


In Search of Spectrometer Measurement and Calibration

by stoft | 12 months ago | 5 | 1,322 views | 3

I admit, just viewing a CFL spectrum with a webcam and a bit of cardboard was a kick but then the...

Read more »

spectrometer slit desktop-spectrometry-kit improvements


Using the Spectroscope for Analysis of Concentration (Beer's Law)

by straylight | 12 months ago | 1 | 3,486 views | 1

Introduction This research note is a walk through of how to use the PLOTS designed spectroscope ...

Read more »

spectrometer beers-law concentration sensitivity


Fanciful "turntable spectrometer"

by warren | 12 months ago | 0 | 1,040 views | 0

A Parts & Crafts over a year ago, we built a spectrometer/turntable which 'played' colors by ...

Read more »

parts-and-crafts turntable spectrometer