What is the difference between diffusion and dissolving?
Asked by: Agy Jojy
Diffusion is the passage of particles from an area of higher concentration to an area of lower concentration.
Dissolving is the bombardment of a solvent (e.g. water) on solute molecules (something that can
dissolve, like sugar) forcing them apart. The solute mixes with a solvent to form a solution.
Answered by: Tin Lun Choi, High School Student
'The strength and weakness of physicists is that we believe in what we can measure. And if we can't measure it, then we say it probably doesn't exist. And that closes us off to an enormous amount of phenomena that we may not be able to measure because they only happened once. For example, the Big Bang. ... That's one reason why they scoffed at higher dimensions for so many years. Now we realize that there's no alternative... '