Via Fuck Yeah Fluid Dynamics: This video has a fun and simple demonstration of the importance of fluid density in buoyancy and stratification. Fresh water (red) and salt water (blue) are released ...

If you could somehow keep increasing the density of the block, it would sink lower and lower into the water. When its density increased enough to displace an amount of water whose weight was equal ...

The research illustrates how much scientists still have to learn about a molecule as simple as water ... ices is denser than water, it is known as high-density amorphous ice; the other, with ...