banner
SUBSCRIBE STORE ABOUT US BACK CONTENT CONTACT ESPAÑOL ARTICLES
Loading

Whole issue as  pdf

cover

ON THE COVER:
At 2,750 meters in the Celebes Sea: an odd transparent sea cucumber Enypniastes, creeping forward on its many tentacles at about 2 cm per minute, while sweeping detritus-rich sediment into its mouth.
Photo courtesy of Larry
Madin, Woods Hole
Oceanographic Institution;
cover design byAlan Yue.
 

Spring 2010 Issue for Subscribers
FEATURES
Moon Base
NASA
THE COSMIC RAY PROJECT
Kesha Rogers's Victory Signals
Rebirth of a Mars Colonization Policy

Sky Shields
What will continuous 1-g acceleration of
manned spacecraft to Mars tell us of the
hidden link of life on Earth to the broader
cosmos?

pdf
Towards a New Periodic Table of
Cosmic Radiation

Peter Martinson
True knowledge comes from the human
mind, not sense perceptions, and it is this
creative process that will lead us to an
understanding of
cosmic radiation and
life processes.
pdf
ONWARD TO MARS
The Triumph of the Weak Forces
Oyang Teng
Meeting the challenges of a manned
Moon-Mars mission will open the entire
electromagnetic spectrum for human
use, redefining cognitive science for
the next century.
pdf

 

 

 

NASA
 
 
 
 
NEWS
IN MEMORIAM
Edwin E. Kintner (1920-2010)
A Champion of Fusion and Fission
Steven O. Dean
pdf
SPECIAL REPORT
The Overpopulation Fear
Behind the Ban on DDT
Donald Roberts and Richard Tren
Excerpts from their new book,
The Excellent Powder: DDT's
Political
and Scientific History.
pdf
ASTRONOMY
Reconstructing the Magnifying
Mirror of Archimedes

Charles E. Hughes
pdf
A MODERN ARCHIMEDES MIRROR
Italian Town Makes Good Use
of Solar Mirror
Rick Sanders
pdf
DEPARTMENTS
EDITORIAL
The Nuclear Option Against
British Sabotage in Our Gulf

Laurence Hecht
pdf
LETTERS
pdf
NEWS BRIEFS
pdf
BOOKS
The Excellent Powder: DDT's
Political and Scientific History
by Donald Roberts and Richard
Tren
Reviewed by Marjorie Mazel Hecht
pdf
Water: The Epic Struggle for
Wealth, Power, and Civilization
by Steven Solomon
Reviewed by Glenn Mesaros
pdf
GLOBAL WARMING UPDATE
Compiled by Gregory Murphy
pdf

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
www.21stcenturysciencetech.com
Copyright © 2007 21st Century Science Associates.