At most clock hands, that glow in the dark, a similar effect is achieved by a special paint that absorbs light and reflects it back. But the reason for the glow Nuclear Watch – the decay of radioactive atoms of hydrogen. Clock contains about 100 quadrillion radioactive atoms that are in special glass tubes with phosphorescent material. This material begins to "work", when decay occurs and electrons are released.. The developers claim that their product is completely safe and the lights will operate for 25 years.
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