Apparently it's not just the mix of metals, but the process.
At college I was acquainted with one of the family and I asked him just that question. He said it is actually very difficult and some MIT people had gotten closer than others to figuring it out (but not very close), and gave up after the mixes/processes kept exploding on them.
At college I was acquainted with one of the family and I asked him just that question. He said it is actually very difficult and some MIT people had gotten closer than others to figuring it out (but not very close), and gave up after the mixes/processes kept exploding on them.