IF YOU thought the Higgs boson was elusive, consider the case of dark matter. The Higgs—the particle that gives other subatomic species mass—was predicted in 1964 but actually nabbed only last year.

Distillation is one of the oldest methods of water treatment and is still in use today, though not commonly as a home treatment method. It can effectively remove many contaminants from drinking water, ...

THIS book is a new and amplified edition of the author's well-known treatise on “Fractional Distillation,” first published in 1903. Prof. Sydney Young is an acknowledged authority on the subject on ...

IN his preface Prof. Young says that he wrote this book in the hope that the solution of the difficulties of fractional distillation might be rendered easier. He has written an eminently practical ...