Category Archives: flat earth (debunking) physics

Can a rock reflect light?

Many flat earth advocates mention that the moon emits its own light because rocks “don’t reflect light”.  I’ve done an experiment. Here’s a decent rock. Not black, not white, just a reasonable gray. The experiment setup: a white melamin board … Continue reading

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Spinning ball model

If we were to reproduce a spinning ball holding water, we should have gravitation exceeding the centrifugal acceleration (300 times stronger normally). The gravity (acceleration) holding the water should be: g = Gm1/R². Since we will scale down the model, … Continue reading

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