Uses of francium are limited to only scientific research. This is mostly because it is difficult to find or make and it has a very short half life (it decays quickly into other elements).Francium...
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Francium has an extremely short half life of about 20 minutes so no it is not. Radioactive lasers do not use radioactive materials anyway.
there is no known uses for francium.
Francium was used only for scientific researches.