Tuesday, May 24, 2016

Arithmetic Mirrors (Abraham)



On Saturday, April 23, 2016 2:41 PM, Abraham Derival <abraham_derival@yahoo.com> wrote:


It looks like you're seeing infinite versions of yourself. This is caused by the light continually reflecting between the two mirrors. Because it takes about two nanoseconds to bounce off the mirror and reach your eye, each version you see of yourself is two nanoseconds older than the previous one. We can use an arithmetic series to find how old is one of those images.


Refraction Angles (Abraham



On Saturday, April 23, 2016 2:36 PM, Abraham Derival <abraham_derival@yahoo.com> wrote:


The convex prism bends the light rays and makes them converge into one beam. This is called refraction.


Fw: Spacetime Geometry (Abraham)



On Saturday, April 23, 2016 2:34 PM, Abraham Derival <abraham_derival@yahoo.com> wrote:


Here is a basic representation of general relativity, which states that space is curved, and gravity is caused by massive objects that make huge dents in the fabric of spacetime. The balls represent planets caught in the big gravity well of the hole, which represents a black hole.