In Science We Must Be Interested In

When One Studies Strongly Radioactive Substances Special Precautions Must Be Taken. Dust, The Air Of The Room, And One's Clothes, All Become Radioactive.

This Means That We Have Here An Entirely Separate Kind Of Chemistry For Which The Current Tool We Use Is The Electrometer, Not The Balance, And Which We Might Well Call The Chemistry Of The Imponderable.

We Must Not Forget That When Radium Was Discovered No One Knew That It Would Prove Useful In Hospitals. The Work Was One Of Pure Science. And This Is A Proof That Scientific Work Must Not Be Considered From The Point Of View Of The Direct Usefulness Of It. It Must Be Done For Itself, For The Beauty Of Science, And Then There Is Always The Chance That A Scientific Discovery May Become Like The Radium A Benefit For Humanity.

The Sensitive Plate, The Gas Which Is Ionised, The Fluorescent Screen, Are In Reality Receivers, Into Another Kind Of Energy, Chemical Energy, Ionic Energy... Luminous Energy.

Life Is Not Easy For Any Of Us. But What Of That? We Must Have Perseverance And Above All Confidence In Ourselves.