nah... there was definately a lot of hating and ridiculing of this product going on. i dont think the fact that the original link was a website full of pop-up ads helped. someone should email this company and see if they can explain their technology better.
sound waves (vibrations) travel much faster through water and solids than they do through air which is much less dense. it's because air molecules are more widely spaced out. if for example someone dropped something on the floor you would definately feel it before you would hear it even if you...