Hidden Fact 9

This is one of the ways to tell that whether the diamond is real or fake at home. This is because reals diamonds are extremely dense while the fake is not. They will float on the top of the water or in the middle while real diamonds will sink completely.

These are because the upper covering of the oranges contains air bubbles, that make them float on water and don’t allow them to sink. White pealed oranges don’t have air bubble’s inside so they sink.