As Three Laws Were Good Enough For

Good Morning, Doctors. I Have Taken The Liberty Of Removing Windows 95 From My Hard Drive.

I Doubt If There Is A Single Field Of Study So Theoretical, So Remote From What Is Laughingly Called Everyday Life, That It May Not One Day Produce Something That Will Shake The World.

Every Age Has Its Dreams, Its Symbols Of Romance. Past Generations Were Moved By The Graceful Power Of The Great Windjammers, By The Distant Whistle Of Locomotives Pounding Through The Night, By The Caravans Leaving On The Golden Road To Samarkand, By Quinqueremes Of Nineveh From Distant Ophir . . . Our Grandchildren Will Likewise Have Their Inspiration-among The Equatorial Stars. They Will Be Able To Look Up At The Night Sky And Watch The Stately Procession Of The Ports Of Earth-the Strange New Harbors Where The Ships Of Space Make Their Planetfalls And Their Departures.

All Human Plans [are] Subject To Ruthless Revision By Nature, Or Fate, Or Whatever One Preferred To Call The Powers Behind The Universe.

One Orbit, With A Radius Of 42,000 Kilometers, Has A Period Of Exactly 24 Hours. A Body In Such An Orbit, If Its Plane Coincided With That Of The Earth's Equator, Would Revolve With The Earth And Would Thus Be Stationary Above The Same Spot On The Planet. It Would Remain Fixed In The Sky Of A Whole Hemisphere ... [to] Provide Coverage To Half The Globe, And For A World Service Three Would Be Required, Though More Could Be Readily Utilized. (1945) [predidicting Geosynchronous Communication Satellites]