SS-18 ICBM
Oscillator
What if nobody could answer them? And there are only so many questions you can ask before it gets repetitive.Depends. I surmise I could keep asking questions forever, if I could get them answered, then immortality would be worth it.
I don't think Tungsten is known for its strength or light weight, but for its high melting point.
Perfect for hurling it through the atmosphere.