The Extension Of Life Beyond Earth Is

The Primary Means Of Energy Generation Is Going To Solar. It Will At Least Be A Plurality, And Probably Be A Slight Majority In The Long Term.

I Realized That A Methane-oxygen Rocket Engine Could Achieve A Specific Impulse Greater Than 380.

There's A Real Opportunity To Have A Vertical Takeoff And Landing Electric Supersonic Jet.

Facebook Is Quite Entrenched And Has A Network Effect. It's Hard To Break Into A Network Once It's Formed.

America Is The Spirit Of Human Exploration Distilled.