On Sunday, January 6, 2019 at 2:59:39 PM UTC, John Clark wrote: > > There is a related concept, the Planck Mass that also involves the 3 most > fundamental constants in nature, the speed of light the Planck constant and > the Gravitational constant. If you take the Planck energy > (c^5*h/2*PI*G)^1/2 and confine it in a box one Planck length > (G*h/2*PI*c^3)^1/2 on a side it will turn into a Black Hole. To find the > Planck Mass we use E=MC^2 and divide the Planck Energy by c^2. The Planck > Mass works out to be .02 milligrams, about the mass of a single grain of > salt; nothing less massive than the Planck Mass can form a Black Hole > regardless of how much you compress it. Some, such as Roger Penrose, > think this marks the boundary between the quantum realm and the realm of > classical physics but most think that's a oversimplification. > > John K Clark >

*How does one calculate Planck length using the fundamental constants G, h, and c, and having calculated it, how does one show that measuring a length that small with photons of the same approximate wave length, would result in a black hole? TIA, AG * > > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To post to this group, send email to everything-list@googlegroups.com. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.