Let me know when you can turn lead into gold with a nuclear reactor
https://www.scientificamerican.com/article/fact-or-fiction-lead-can-be-turned-into-gold/
https://www.thoughtco.com/turning-lead-into-gold-602104#:~:text=It%27s%20been%20reported%20that%20Glenn%20Seaborg%2C%201951%20Nobel,lead%20shielding%20of%20an%20experimental%20reactor%20into%20gold.