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Hello, I am a high school sophomore doing an experiment with lasers. I am looking for three 100mW, Class 3B lasers - one each of blue, green, and red that are identical in beam shape and focus to each other. I need these three lasers within the next 3-5 days. If you have such identical lasers...

I am a student doing an experiment that involves lasers. I am trying to determine the optimal wavelength of laser that will pop a balloon in the least amount of time at different distances. I was thinking of setting up my experiment as three rows of black balloons, one row for one particular...