What We Usually Consider As Impossible Are

String Theory Is Based On The Simple Idea That All The Four Forces Of The Universe: Gravity, The Electromagnetic Force And The Two Nuclear Forces, Can Be Viewed, As Music.

[t]he Yeoman's Work In Any Science, And Especially Physics, Is Done By The Experimentalist, Who Must Keep The Theoreticians Honest.

The Idea That Excites Me The Most Concerns The Two Greatest Puzzles In Science: The Origin Of The Universe, And The Origin Of Consciousness. The Origin Of The Universe Is What I Do For A Living, Working On String Theory. But I Am Also Fascinated By Consciousness.

It's Risky To Allow Radiation To Constantly Go Up Into The Atmosphere. The Main Criticism Of This Approach Of Entombing It Is That It Would Cost Too Much, Involve Too Many Resources And People. But Think Of The Cost Of Having All The Crops Impounded By The Government, All The Milk Being Thrown Into The River, People's Livelihoods Destroyed.

When You Come Up With A Theory, You Fall In Love With The Beauty The Simplicity And Elegance Of It. But Then You Have To Get A Sheet Of Paper And Pencil And Crack Out All The Details. Hundreds And Hundreds Of Pages. Because You Have To Prove It.