Here we have a boat in a swimming pool. In the boat is an inquisitive experimenter. Also in the boat is a rock. Our experimenter picks up the rock and tosses it into the pool. The rock sinks to ...

You think that the pool's water level will lower? That's absolutely right! The reason is that, when the rock is in the boat, it displaces its total weight. If it weighs ten pounds, for example ...

Join me as I build a beautiful houseboat that floats with elegance and excitement. This luxurious water home features a heated pool and a custom water slide, combining craftsmanship, comfort, and ...