greeninter
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I have met some teeth issues recently. Is there a good dentist can help me solve them?
Thank you very much in advance!
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Light tunnel question
in Modern and Theoretical Physics
Posted
I think the farther away from the light source, the weaker the light will be.
For your second question, i think the intensity of light within the tube will be ever-increasing if you place a mirror over the end.
Just based on my life experience,