Recent content by Om.

The idea is that you'd have to keep it cold. You would produce heat from the concentrated light,

What if you shot a laser at it? Seems that would boost the glow time.

Would a glass sphere, coated with a two-way mirror, capture light and glow after the light's out, for a time? Mirrors like are used in police station interrogation rooms. It would naturally lose light, but at the same time the curve would concentrate it.