Growing New Organs Of The

Physicists Often Quote From T. H. White's Epic Novel The Once And Future King, Where A Society Of Ants Declares, "everything Not Forbidden Is Compulsory." In Other Words, If There Isn't A Basic Principle Of Physics Forbidding Time Travel, Then Time Travel Is Necessarily A Physical Possibility. (the Reason For This Is The Uncertainty Principle. Unless Something Is Forbidden, Quantum Effects And Fluctuations Will Eventually Make It Possible If We Wait Long Enough. Thus, Unless There Is A Law Forbidding It, It Will Eventually Occur.)

For Relaxation, I Like To Figure Skate. Being On The Ice And Spinning And Jumping, I Feel Very Close To Nature. In Particular, I Feel Very Close To Newton's Laws Of Motion. On The Ice, You Can Experience Newton's Laws Of Motion In Their Purest, Most Elegant Form.

Scientific Revolutions, Almost By Definition, Defy Common Sense.

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.

If You Want To See A Black Hole Tonight, Tonight Just Look In The Direction Of Sagittarius, The Constellation. That's The Center Of The Milky Way Galaxy And There's A Raging Black Hole At The Very Center Of That Constellation That Holds The Galaxy Together.