Marvel: Avengers Alliance on Facebook. Chapter 7: Light and Optics -- Build a lab quality spectrograph in 15 minutes for less than $20. Build a high resolution spectrograph in 15 minutes A high resolution spectrograph Building a home-brew recording spectrograph used to mean dealing with microcontrollers and stepper motors moving diffraction gratings past a light sensor, and although many were planned, few were actually built.
Modern digital cameras and the Internet have combined to make building a laboratory quality high resolution spectrograph a task that can be done in fifteen minutes at your kitchen table, with a few plumbing parts. ...and a digital camera and Internet access, but you probably have access to both of those already. For the spectrograph you will need: UK Pink Book Data, Yearly United Kingdom National Statistics.
amsika Dec 20 2012Hi, welcome to Pearltrees. You can now cultivate your interests. Add pearls and pick those you discover in others' accounts. You'll be able to retrieve them on iPhone, iPad or any computer. If you have questions, simply reply to my comment. Keep pearling!