I Read Books And Talked To People.

When Something Is Important Enough, You Do It Even If The Odds Are Not In Your Favor.

It Would Take Six Months To Get To Mars If You Go There Slowly, With Optimal Energy Cost. Then It Would Take Eighteen Months For The Planets To Realign. Then It Would Take Six Months To Get Back, Though I Can See Getting The Travel Time Down To Three Months Pretty Quickly If America Has The Will.

If You Think Back To The Beginning Of Cell Phones, Laptops Or Really Any New Technology, It's Always Expensive.

Physics Is A Good Framework For Thinking. ... Boil Things Down To Their Fundamental Truths And Reason Up From There.

Even If Producing Co2 Was Good For The Environment, Given That We're Going To Run Out Of Hydrocarbons, We Need To Find Some Sustainable Means Of Operating.