We Need To Figure Out How To

What Most People Know But Don't Realize They Know Is That The World Is Almost Entirely Solar-powered Already. If The Sun Wasn't There, We'd Be A Frozen Ice Ball At Three Degrees Kelvin, And The Sun Powers The Entire System Of Precipitation. The Whole Ecosystem Is Solar-powered.

Self-driving Cars Are The Natural Extension Of Active Safety And Obviously Something We Should Do.

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.

It's Important That We Attempt To Extend Life Beyond Earth Now. It Is The First Time In The Four Billion-year History Of Earth That It's Been Possible, And That Window Could Be Open For A Long Time - Hopefully It Is - Or It Could Be Open For A Short Time. We Should Err On The Side Of Caution And Do Something Now.

There Are Some Important Differences Between Me And Tony Stark, Like I Have Five Kids, So I Spend More Time Going To Disneyland Than Parties.