I lived with a professional astrologer. I had to learn this stuff in self defence after receiving comments like 'I used to worry about offending you, but now I know you have moon in Gemini so nothing matters.'
Madness string 98784
Tesla says it's a custom 'ultra-hard' alloy, but Tesla also lies about everything. I'm willing to believe it's a custom alloy, but a custom alloy can also be cheaper and worse.