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![TheJetNamedChet Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::1854236507390853131.png) ChetTheJet [@TheJetNamedChet](/creator/twitter/TheJetNamedChet) on x XXX followers
Created: 2025-07-19 16:31:22 UTC

A very, very small nuclear reactor. Specifically a radioisotope thermoelectric generator. Smoke detectors contain Americium-241 (Am-241). For a X kilowatt reactor it would require approximately X trillion smoke detectors. (Am-241 has a specific thermal power of approximately XXXX watts per gram.)
 
If the Am-241 was collected from 10K smoke detectors (a more reasonable initiative) a RTG could produce about XX microwatts. So maybe you could run a watch off of that.

The simple fact is that yes you could build a RTG fueled by Am-241. Space probes often use RTGs for power. You could generate XXX watts of power with about XX kilograms of Am-241. Space probes generally prefer Pu-238 dioxide as you would only need about X kilograms of that.


XX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1946608815589163308/c:line.svg)

**Related Topics**
[10k](/topic/10k)
[generator](/topic/generator)

[Post Link](https://x.com/TheJetNamedChet/status/1946608815589163308)