Being A Physicist, Not A Philosopher, I

Already From Your Own Cells Scientists Can Grow Skin, Cartilage, Noses, Blood Vessels, Bladders And Windpipes. In The Future, Scientists Will Grow More Complex Organs, Like Livers And Kidneys. The Phrase 'organ Failure' Will Disappear.

What Would Happen If History Could Be Rewritten As Casually As Erasing A Blackboard? Our Past Would Be Like The Shifting Sands At The Seashore, Constantly Blown This Way Or That By The Slightest Breeze. History Would Be Constantly Changing Every Time Someone Spun The Dial Of A Time Machine And Blundered His Or Her Way Into The Past. History, As We Know It, Would Be Impossible. It Would Cease To Exist.

So Often, Science Fiction Helps To Get Young People Interested In Science. That's Why I Don't Mind Talking About Science Fiction. It Has A Real Role To Play: To Seize The Imagination.

Once Confined To Fantasy And Science Fiction, Time Travel Is Now Simply An Engineering Problem.

You Know; When I Look At The Night Sky And I See This Enormous Splendor Of Stars And Galaxies, I Sometimes Ask The Question, Well How Many Worlds Are We Talking About? Well Do The Math, There Are About 100 Billion Galaxies That Are In The Visible Universe And Each Galaxy In Turn Contains About 100 Billion Stars, You Multiply And You Get About Ten Billion Trillion Stars. Well I Think It Is The Height Of Arrogance To Believe That We Are Alone In The Universe, My Attitude Is That The Universe Is Teaming, Teaming With Different Kinds Of Life Forms