Mythbusters busted it On Sep 22, 2017 9:05 AM, "Mitch Koep" <af...@abwisp.com> wrote:
> NO TOOTH FAIRY :'( > > > On 9/22/2017 9:57 AM, Steve Jones wrote: > >> So my kids science teacher was doing some "things that aren't real in >> movies" >> >> like lasers in starwars wouldn't have the sounds since its a vacuum, this >> I can get behind >> >> But when he talks about the scene in back to the future where the massive >> speaker knocks alex p Keaton backward I have to take umbrage. >> >> I always equated the pressure waves from speakers with the soundwaves, >> but since realized its the motion over the speaker creating a pressure wave. >> >> But now I'm reading a sound wave itself cant do much to move an object. >> >> This is just bothering me >> >> next somebody is going to tell me that the quarters under my pillow after >> I have a tooth pulled are just magically appearing there and there is no >> tooth fairy (yeah right) >> > >
