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Standard Green Laser Pointer Gifts Makes the Atom vs Molecule Spectral Difference Makes the Atom vs Molecule Spectral Difference Visible – The band spectrum of CO2 looks nothing like the line spectrum of argon or helium this clamp securely holds up to three pendulums at once without wobbling—making it ideal for side by side comparisons and precise timing investigations Please note: All Arbor Scientific green lasers feature IR filtration for safety the Standard Green Laser Pointer is a go to tool for astronomy lessons
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