Jaewon Park

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3. what is PI?

I think using the pi sign on the calculator heps more cause its more exact.

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3. Scienece Question About Light

Light is a wave but still has mass so black holes are able to pull light.

1. Community
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3. Scienece Question About Light

oops, light is actually half wave and half particle. It's particle name is a photon and is one of the bosons in the quarks, leptons and bosons.