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Q&A Rigorous Science Meta
Rigorous Science
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Rigorous Science When is the earliest in Earth history when Grade 5 Titanium alloy could be made, assuming one knows the formula and has the feedstock?

Bob the time traveler has a problem. He went to 75,000,000 BC to get some dinosaur eggs (don't ask) and his time machine re-combobulator broke and a big chunk is missing. Fortunately he can still ...

2 answers  ·  posted 5y ago by Mindwin‭  ·  last activity 5y ago by Mindwin‭

Question technology earth history