Glowy!
Finally, a company has come out with something useful!!
It's called GlowPaint and it produces a bright glow that lasts for 12+ years without using any energy! The breakthrough are Litrospheres™ which are tiny self-luminous particles that give off no U.V. rays, are super cheap and even comes in spray cans!
So I will soon be able to say, my Tron costume is complete!!