21st Century

subscribestoreback contentarticlesespanol



On Integrals of the Hydrodynamic Equations
That Correspond to Vortex Motions

by Hermann von Helmholtz

Determinations of Electrodynamic Measure: particularly in respect to the
connection of the Fundamental Laws of Electricity with the Law of Gravitation
by Wilhelm Weber
(Translated from the German by George Gregory)

On the 150th Birthday of Max Planck: Honesty Towards Nature
by Caroline Hartmann
(Translated from the German by Laurence Hecht)

On the General Equations of Elasticity
by Eugenio Beltrami

First English translation of Wilhelm Weber's Determinations of
Electrodynamic Measure (1846)

Some Words About The Noösphere
by Vladimir I. Vernadsky

Lectures on the Integral Calculus
by Johann Bernoulli
Spring 2004

The Intensity Of The Earth's Magnetic Force Reduced To Absolute Measurement
by Carl Friedrich Gauss
(Translated from the German by Susan P. Johnson, July 1995)

On the Fundamental Material-Energetic Difference between Living and
Nonliving Natural Bodies in the Biosphere
by Vladimir I. Vernadsky
Winter 2000-2001

Home   Current Issue Contents   Sample Articles   Subscribe   Order Books  News
Shop Online
 Contribute  Statement of Purpose  Back Issues Contents  Español  Translations
Order Back Issues 
Index 1988-2004   Advert. Rates  Contact Us

21st Century, P.O. Box 16285, Washington, D.C. 20041 Phone: (703) 777-6943 Fax: (703) 771-9214
Copyright © 2007 21st Century Science Associates.
All rights reserved.