Wacky Idea

Okay, if you know dick about light, you know glass has a total internal refraction of l24 degrees or so i think, meaning that if light enters glass at an angle of said degrees, at doesnt reflect but refracts back into the glass (thus optic fibre stuff).

So what if one where to make a glass chamber or sphere-ish structure that if light passes into it at the degree of total internal refraction, it stays within the structure, continuisly refracting at 124 degrees.

Now here is my conumdrum, WHERE DOES THE ENERGY GO?
As you know, light is energy, and energy is always constant and never changes in quantity, so it has to go somewhere? the logical explanation is the glass would heat up and eventually melt , but when has logic ever done us good?IF physics were written by me, the glass structure would just simply store the energy (as some sort of potential energy), how awesome would that be?
This means that an unknown amount of energy can be storred in glass, easy enough, we can carry it about like a little power plant, but who to get it out?

One way would chip it with a chipper, sure it might release copius amounts of energy in your face, but hey, least its out.

OR, melt it, and have some sort of energy gathering device handy, like a... wire thing... or something.

OR, drop it, it has all this potential energy stored in it, why not make it gravitational potential energy? make a nice hole in the earth to hide your penny collection.

OR, all that energy will just radiate out of the glass and full YOU with energy, and not that buzz you get when you drink 3 cans of DEMON, probably more like injecting 30 cans of molten DEMON into your skin, how awesome would that be?

OR, the energy would create some sort of super condensed energy ball, ans since its super condensed, it would tear you apart, now why not harness that tearing power, and build spaceships! Monoliths! An easier way to open plastic containers!

In conclusion, glass can kill you.