CYCLING

AmScope
Euromex Microscopes Holland
Leica Microsystems
Meiji Techno
Motic Europe
Nikon
Olympus Life Science
Omax
Swift Microscope World
Zeiss Micro Shop

PHOTOGRAPHY

Close-up Photography

Inexpensive Macro Photography
Insect Macro Photography
Mounting Digicams With Zoom Lenses Over The Microscope

Digital Darkroom

Computer-Darkroom
Diffraction Limited Photography: Pixel Size, Aperture and Airy Disks
Depth of Field Table
LCD monitor test images
Understanding image sharpness
Vivid Light Photography
Wilhelm Imaging Research

Film Photography and Cameras

Antique and Classic Cameras
Bojidar Dimitrov's Pentax K-Mount Equipment Page
CameraQuest
Classic Camera Collection
Dante Stella
My approach | Photography and image capture: the Leica technique and philosophy by Erwin Puts | Erwin Puts
Photoethnography.com home page - a resource for photoethnographers
Yashica Electro 35 and Rangefinder camera user Homepage

General Photography

Camera reviews, DSLR reviews, lens reviews, photography guides | Cameralabs
Digital Photography Review: Forums, Glossary, FAQ
The Imaging Resource
Ken Rockwell's Updates
Lensrentals Blog
LIFE photo archive hosted by Google
Lomography Konstruktor step-by-step build | thehobbyshop
The Luminous Landscape
Make Your Own Camera: Konstrukting a Lomography Konstruktor
The Online Photographer
Optical Illusions and Visual Phenomena
PetaPixel - The Wonderful World of Photography
PhotographyBLOG -:- Home
Photo.net Home Page and Recent Digital Camera Reviews
Photos and Stuff
Rangefinderforum.com Portal - Rangefinderforum
Welcome to Photozone!

Photographic Supplies

LensMate Camera Accessories
Mainline Photographics
PENTAX Products : Digital Cameras
Photo and Video International - New and Used Photographic Equipment
Photo Warehouse ::: photography, cameras, accessories and other photographic products
Wellington Photographic Supplies

Video Tools

$14 Camera Stabilizer
Balvanz Enterprises: DIY Camera Stabilizer Build - The Stabilizer Base Plate
Balancing the Rhino Steady Camera Stabilizer
JEP - Stabilizer for a Canon G15 camera
SteadyTracker
Welkom op de smalfilm-pagina's van Fred Internet

SCIENCE

Computing

Apple
Ars Technica
Actrix - Broadband, VDSL and Naked Broadband - The best little NZ ISP
JEP - Curve fitting
DistroWatch.com - Linux Announcements
Eddie's Math and Calculator Blog
Engadget
Free42, an HP-42S calculator simulator
HP-15C Simulator: Online Help
JEP - HP-12C Financial Calculator
JEP - HP-15C Program Index
JEP - SwissMicros DM15 Scientific Calculator
Internet Archive - Wayback Machine
Macintouch.com
Macworld.com
The Museum of HP Calculators
NanoWasp - A MicroBee Emulator
PB Tech - Computer Parts, PC Components, Laptop Computers, LCD Monitors, Tablets and more!
Quadratic Equation Solver
The Register: Sci/Tech News for the World
Sentence case v title case>
Slashdot: News for nerds, stuff that matters
SwissMicros.com
Transcription Resources. Software to slow down music
W3C Markup Validation Service
W3C Link Checker
Wired News
Calculator Soup

General Science

American Scientist
Anton Petrov - WhatDaMath
Arts and Letters Daily - ideas, criticism, debate
Ars Technica
Big Think
CERN - the European Organization for Nuclear Research
Chemistry World
EU Science Hub
Gizmodo
Instructables
Khan Academy
Live Science
MetVUW Weather and Climate Service
The Naked Scientists Online, Science Podcast and Science Radio Show
National Geographic
Nature Publishing Group : science journals, jobs, and information
New Scientist
The New York Times Science
NPR Research News
Open Research Europe
Physics Forums | Science Articles, Homework Help, Discussion
Popular Science
Quanta Magazine
Science
Science & Environment - BBC News
Science Europe
Science News
Scientific American
SciTech Daily Review
Smithsonian Magazine
Stat
Technology Review: The Authority on the Future of Technology
Top 11 Trusted (And Free) Search Engines For Scientific and Academic Research
Wikipedia
Vox - Understand the News
Wolfram Alpha Computational Knowledge Engine

Mathematics

American Mathematical Society
American Scientist - Writing Math on the Web
Bhaskara I Sine Function Approximation
Golden Ratio
JEP - Little Gauss formula
Math is Fun
Numberphile
Quadratic Equation Solver
Solving Quadratic Equations
Simulated Pickett N909-ES Slide Rule
Theorem of the Day
Wolfram Alpha

Mineralogy

Amethyst Galleries Mineral Gallery
ATHENA: MINERAL SEARCH FORM; Pierre Perroud
Atlas of Igneous and Metamorphic Rocks, Minerals and Textures
Mars Exploration Rover
Mars Pathfinder
Mars Perseverance rover
Mineralogy Database
JEP - Oxide Conversion Table
Petroglyph Home Page
Virtual Atlas of Opaque and Ore Minerals in their Associations
Practical Aspects of Mineral Thermobarometry
X-ray powder diffraction

Science Reference

AIST:RIO-DB Spectral Database for Organic Compounds,SDBS
Annotated Web Links « Chemistry | Allegheny College - Meadville, PA
Open-Access Archive
Atomic and Nuclear Properties of Materials for more than 300 substances
Base - Bielefeld Academic Search Engine
Directory of Open Access Journals
Google Advanced Search
Google Scholar
Handbook of Basic Atomic Spectroscopic Data
Internet Archive
Evaluating Information Found on the Internet
The Networked Digital Library of Theses and Dissertations
NIOSH Manual of Analytical Methods
NIOSH Pocket Guide to Chemical Hazards
NIST Materials Measurement Science Division
NIST Store
Global Directory of Academic Open Access Repositories
JEP - Oxide Conversion Table
Periodic Table of the Elements by WebElements
Public Library of Science
Popular Science
Science.Gov
Search Diatom Image Database
Sheridan Libraries
Spectral Database for Organic Compounds SDBS
Evaluating Internet Research Sources
Wolfram|Alpha
Find Items in Libraries Near You

Science Topics

Cavity Resonance
Digital Einstein Papers Home
Edge
The effect of the film can
Fermilab | Home
The Feynman Lectures on Physics
Henry Barwood - A mini-XRF unit designed for mineral grain analysis
JEP - Amptek X-123 X-ray Spectrometer
JEP - A Black Flame
JEP - Curve Fitting
JEP - Dycor Mass Spectrometer
JEP - JEOL 733 Electron Microprobe
JEP - JEOL 733 Electron Microprobe Repair
JEP - HP Gas Chromatograph
JEP - Kuiper Airborne Observatory
JEP - Mercury Photoacoustic Effect
JEP - Plasma Asher
JEP - Rough-Weather
JEP - Visible Light Microscopy
JEP - Winter-Storm
Mic-UK [site A]: Oamaru Diatoms
Optical Cathodoluminescence (Optical CL)
Paint failure diagnosis: how to use paint cross section cuts
Phet - Isotopes and Atomic Mass
Pictures, stories, and facts about the element Titanium in the Periodic Table
RADIOCHEMISTRY SOCIETY - Specialized Courses in Radiochemistry
Scott Base - Ross Island - Antarctica
Sellotape - Why its Bad to Put on Paper and Removal
Sheet Materials for Use as Membranes in Membrane Introduction Mass Spectrometry
REFLEX Online
Smarthistory: a multimedia web-book about art and art history
Spectra of Gas Discharges

Science Podcasts and iTunes U

60-Second Science
Astronomy Cast
iTunes U
The Naked Scientists
Nature Podcast
Science Friday
Science Podcast
Scientific American Podcasts
WNYC Radiolab

Science - Commercial

alphatech
Amptek X-ray spectrometers
bio-strategy
Coherent Scientific
Duniway Stockroom Corp - Vacuum equipment
Dycor Mass Spectrometers
Euromex Microscopes Holland
GBC Scientific Equipment
Geller MicroÅnalytical Laboratory
Jaycar Electronics
JEOL Electron Microscopes
Meiji microscopes
JEP - Mocon profiler repair
Moran Scientific Home Page
Moxtek - X-ray products
millenium science - AMG digital microscopes
Olympus - Olympus microscopes
Oxford Instruments' Home Page
Malvern Panalytical
Pfeiffer Vacuum Home Page
Pico Technology Limited - Data capture
ProSciTech - microscopy supplies
Sigma-Aldrich
SPI Supplies - Structure Probe Inc. - microscopy supplies
Zeiss microscopes

Space

Chandra X-ray Observatory - NASA's flagship X-ray telescope
CNSA - China National Space Administration
CICLOPS - Official Source of Cassini images of Saturn, its rings and moons
Cosmic Ray Telescope
ESA - The European Space Agency
ESA Science and Technology: Herschel
ESA - Planck
ESA - Rosetta
ISRO - Indian Space Research Organisation
JEP - Gerard P Kuiper Airborne Observatory
Lunar Lander
Midnight Planets - Curiosity Mars Exploration Rover Images
JPL - Jet Propulsion Laboratory
JPL - Cassini-Huygens Home
JPL - NASA Current Missions
JPL - Ingenuity
JPL - Perseverance Rover
JPL - Sentinel-6 Michael Freilich Satellite
NASA - The National Aeronautics and Space Administration
NASA - James Webb Space Telescope
NASA - Juno
NASA - KAO 30th anniversary
NASA - Celebrating more than 40 years of airborne astronomy
NASA's Kuiper Airborne Observatory, 1971-1995
NASA - Mars Exploration Rover Mission: Home
NASA - Mars Science Laboratory, the Next Mars Rover
NASA - NASA TV
New Horizons
The Project Apollo Archive
Rocket Lab
Saturn V
SOFIA - Stratospheric Observatory for Infrared Astronomy
SPACE.com -- Something Amazing Every Day
Space News From SpaceDaily.Com
SpaceX
Universe Today

SPECTROSCOPY

Mass Spectrometry

Base Peak Mass Spectrometry page
How a Quadrupole Works
JEP - Dycor Mass Spectrometer
Mass Spectrometry: Quadrupole Mass Filter
Quadrupole Mass Filter

X-ray Spectrometry

Amptek X-ray spectrometers
Amptek X-ray chart
JEP - Amptek X-ray Spectrometer
Software for XRF
SpectroscopyX-ray

TECHNOLOGY

Electric Cars

Bjørn Nyland
ChargeNet
DrivingElectric
Electric Vehicle Database
Go Green Autos
Every new EV under $80k for 2023 (so far)
New Zealand Touring Map

Electronics

Analog Design Journal
ADI Analog Dialogue
Apple and other USB charger secrets
Arduino - HomePage
Circuit Digest - Analog Electronics
Circuit Simulator Applet
EEWeb Electrical Engineering Community
Electronics - Wikibooks, collection of open-content textbooks
Electronic Toolbox - RF-Toolbox
electronut
element14 New Zealand | Formerly Farnell | Electronic Components Distributor
Electronic Valve and Tube Company
Emona Ltd - Oscilloscopes, DC Power Supplies, Function Generators, Spectrum Analysers, Calibrators, Multimeters
Frank's Hospital Workshop
The Frantone Electronics Homepage
Fuel Cell Store
Homebrew RF Test Equipment and Software
IEEE Spectrum
Jaycar Electronics
JEP - High Resistance Measurement
JEP - Portable Audio Recorders
Microcontrollers, Analog, RF, and all three mixed
MindKits Offer a range of robot / robotic kits and parts from Arduino Uno, RFID readers, breadboards, LCD parts and more
PBTech.co.nz
Precision Amplifier Wiki
Raspberry Pi
Ronald's Electronic Project Site
RS New Zealand | World Leading Distributor of Electronics, Electromechanical and Industrial Components
Talking Electronics Index for website

Electronics Video Blogs

bigclivedotcom
Defpom's Electronics Repair
EEVblog
EEVblog2
ElectroBananas
IMSAI Guy - Electronics
JohnAudioTech
Julian Krause - Audio Equipment
Kerry Wong - Electronic projects, teardowns and test equipment
Kiss Analog
Learn Electronics Repair
Lockdown Electronics
Mend It Mark - Vintage Electronic Repair
Tamara Gabriel
TechCornerTV Electronics, Projects & Tutorials
Techmoan
The Signal Path - An electrical engineering video blog for students, hobbyists and hackers
The Time Preservation Society - Audio

Investment Casting

Gas detection meters
Bot Pots
Furnace Engineering
Guide to Good Investment Casting Techniques
Hitchiner Manufacturing Co., Inc.
The Ceramic Shop
Investment Casting 101 Photo Gallery by Mike Callihan at pbase.com
Investment powders
Pottery Front-Loading and Top-Loading Kilns
SRS - Investment Powder, Injection Waxes for Jewellery and Foundry Lost Wax Casting
Stone in Place Casting - Gold Star Powders
What do the Markings and Stamps inside your ring mean?

Machinery

Frets.com Machining
GadgetBuilder's MiniLathe Site
JEP - Unimat 3 Lathe - Dremel Milling Attachment
Lathes
LittleMachineShop.com
Manufacturing Process
Mechanical Watch
mini-lathe.com home page
The SBL Workshop - Home
The Taig Lathe and Milling Machine

Machinery Video Blogs

Ades Workshop
Clickspring Projects
doubleboost
Jon's Workshop
Latheman's crazy machines
mrpete222
Occasional machinist
Xynudu

Plasma Ashing

JEP - Plasma Asher
SPI Plasma-Prep III Plasma Etcher, Cleaner and Asher
Thierry Plasma Asher

Vacuum Techniques

Basic Vacuum Practice by Varian
Fundamentals of Vacuum Technology
Vacuum Techniques

JEPSPECTRO - Home Page

Email: replace at with @

jepattersonatactrix.co.nz

Projects

Curve Fitting

Dycor Mass Spectrometer

HP-12C Financial Calculator

HP15C Program Index

Mercury Photoacoustic Effect

Plasma Asher

Portable Audio Recorders

SwissMicros DM15 Scientific Calculator

Unimat 3 Lathe - new 12 volt motor and PWM speed control

Visible Light Microscopy

Events

Recent Photos

Hesperus the Pack-Cow

Favourite Photos

A Ceramics and Photographic Exhibition

Kuiper Airborne Observatory

Rough-Weather

Winter-Storm

A Black Flame

Cycling

Dizzy's Folding Bike Blog

The name of this site adds the initials of my name, John E Patterson, to "spectro", from spectroscopy. The logo above is a stylised "JEP" with overlapping letters. The colours represent spectroscopy.

RELATED LINKS

Updated 27 February 2025

Use CONTROL f or COMMAND f to find items of interest.

Contents

CYCLING

Bike Shops, Parts and Brands

Bike Reviews and Blogs

Bike Advice and Advocacy

Folding Bike Blogs

Folding Bike Reviews

Folding Bike Shops, Parts and Brands

EBike Blogs

EBike Reviews

EBike Forums

EBike Shops, Parts and Brands

EBike Battery Repair

EBike Advice

New Zealand Bike Rides and Trails

Accommodation

GENERAL

Art

Careers and Small Business

Free Program Downloads

Frequent

News

Text News

Tutorials

YouTube

MICROSCOPY

Electron Microscopy

Electron Microscopes

Visible Light Microscopy

Visible light Microscopes