A company known as MPK claims that throwing some tritium inside a phosphor-coated microsphere will outcome in a substance that can glow continuously for by a dozen years without an iota of energy input. The technology is known as betavoltaics, using a radioactive gas as its potential source. Interestingly ample, tritium radiation (beta particles) can be safely restricted by the microspheres it lives inside so there is no need to purchase a radiation suit anytime soon. The materials are not affected by heat or cold, should be able to emit

just any color - although I’ve seen only red and green tritium “stuff”.

Will that replace traditional lighting anytime soon? Probably not, as an expert in the matter claims that the intensity is not strong abundant to match the light output or replace electric light bulbs. Add that to the fact that there is absolutely no way to turn that thing off, and you’ve got yourself quite a conundrum.

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Original post by Tapee