Questions and Answers A new option for posting questions..
The L Drug I was in my 90's when the first real rejuvenation drugs became available. There had been precursors decades before that; like many of my age, I had taken synthetic reservatrol since my sixties and the "Super-R" that replaced it a few years later. Those drugs only delayed aging and death, but for me and many others, what used to be inevitable was put off long enough that we "made the cut", as we say now. The L drugs came in time for us to benefit.
Concepts in Cryptography Learning a musical instrument takes at least 5 years. If you practice for 2 hours in the morning after bath and in the evening for another 2 hours with full devotion to Guru and its art, then you achieve some mastery over the instrument. A similar devotion is necessary when you are tackling something as abstruse and difficult as cryptography.