We Are Probably Nearing The Limit Of

All Attempts At Artificial Aviation Are Not Only Dangerous To Human Life, But Foredoomed To Failure From The Engineering Standpoint.

Quite Likely The Twentieth Century Is Destined To See The Natural Forces Which Will Enable Us To Fly From Continent To Continent With A Speed Far Exceeding That Of A Bird.

One Of The Most Beautiful Hypotheses Ever Propounded In Physics Is ... The Dynamical Theory Of Gases

A Few Years Later The Naval Academy Was Founded At Annapolis, And A Similar Course Was Pursued To Provide It With A Corps Of Instructors.

One Hardly Knows Where, In The History Of Science, To Look For An Important Movement That Had Its Effective Start In So Pure And Simple An Accident As That Which Led To The Building Of The Great Washington Telescope, And Went On To The Discovery Of The Satellites Of Mars.