Promethium

Promethium: uses

The following uses for promethium are gathered from a number of sources as well as from anecdotal comments. I'd be delighted to receive corrections as well as additional referenced uses (please use the feedback mechanism to add uses).

• shows promise as a portable X-ray unit
• possibly useful as a heat source to provide auxilliary power for space probes and satellites
• thickness gauges
• used to convert light into electrical current

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