Of Course It Is Possible That Ufo's

I Put A Lot Of Effort Into Writing 'a Briefer History' At A Time When I Was Critically Ill With Pneumonia Because I Think That It's Important For Scientists To Explain Their Work, Particularly In Cosmology. This Now Answers Many Questions Once Asked Of Religion.

But A Machine That Was Powerful Enough To Accelerate Particles To The Grand Unification Energy Would Have To Be As Big As The Solar System - And Would Be Unlikely To Be Funded In The Present Economic Climate.

What I Have Learned From Life Is To Make The Most Of What You Have Got.

We Are Entering An Increasingly Dangerous Period Of Our History. But I'm An Optimist.

Mankind's Greatest Achievements Have Come About By Talking And Its Greatest Failures By Not Talking. It Doesn’t Have To Be Like This.