Review on π Discover Stunning Rainbow Effects with Rainbow Symphony Paddles Diffraction Gratings by Eric Pavelko
Great for electromagnetic field standard
I've used this with spectrometers and a flashlight. This helped students understand that white light is a spectrum of colors. It's cheaper than light bulbs. I want it to be plastic pens rather than paper/cardboard. Although it will take time. Great price and great product. I wish I could afford more for students but one set worked.
- Can be used for many similar experiments
- Questionable purchase for the elderly
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