There are no black holes - in the sense of regimes from which light can't escape to infinity. There are however apparent horizons which persist for a period of time.

In a world that is in chaos politically, socially and environmentally, how can the human race sustain another 100 years?

The usual approach of science of constructing a mathematical model cannot answer the questions of why there should be a universe for the model to describe. Why does the universe go to all the bother of existing?

Doing a job RIGHT the first time gets the job done. Doing the job WRONG fourteen times gives you job security.

My expectations were reduced to zero when I was 21. Everything since then has been a bonus.

Plagiarism saves time.

Time travel was once considered scientific heresy, and I used to avoid talking about it for fear of being labelled a 'crank.'