Space & PhysicsSeptember 1, 2002
Amateurs Take On the Universe
A look back down the telescope at citizen astronomers
Stories by Shawn Carlson
The SciencesMarch 1, 2001
Geotropism, One Last Time
Shawn Carlson investigates how plants grow in reduced gravity
Space & PhysicsFebruary 1, 2001
Counting Particles from Space
Shawn Carlson explains how to build a cosmic-ray telescope
The SciencesJanuary 1, 2001
A Canteen Cloud Chamber
Shawn Carlson describes a way to view the path of charged particles
The SciencesDecember 1, 2000
Calibrating with Cold
Shawn Carlson shows how to fine-tune a laboratory thermometer
The SciencesNovember 1, 2000
ARTIFICIAL LIFE: Boids of a Feather Flock Together
Shawn Carlson explains how to simulate simple organisms on your computer
The SciencesSeptember 1, 2000
Using a Kite as an Experimental Platform
The SciencesJuly 1, 2000
PCR at Home
Shawn Carlson explains how you can carry out the polymerase chain reaction in your kitchen.
The SciencesJune 1, 2000
Home Is Where the ECG Is
Watch your heartbeat with do-it-yourself equipment, as described
The SciencesMay 1, 2000
Fun with Flat Fluids
Some very serious and sober experiments with giant soap films, courtesy of Shawn Carlson
The SciencesMarch 1, 2000
An Automated Precision Magnetometer
Space & PhysicsFebruary 1, 2000
Gamma-Ray Bursts Come Home
The SciencesJanuary 1, 2000
Detecting Extraterrestrial Gravity
The SciencesNovember 1, 1999
Falling Into Chaos
The SciencesOctober 1, 1999
Modeling the Atomic Universe
The SciencesSeptember 1, 1999
Counting Atmospheric Ions
Space & PhysicsAugust 1, 1999
Sun of a Gun
July 1, 1999
Detecting the Earth's Electricity
The SciencesMay 1, 1999
Hot Views of the Microscopic World
The SciencesApril 1, 1999
Detecting "Hot" Clouds
The SciencesMarch 1, 1999
A Homemade High-Precision Thermometer
TechnologyFebruary 1, 1999
Tackling the Triple Point
The SciencesJanuary 13, 1999
Tackling the Triple Point
The SciencesJanuary 1, 1999
Taking the Earth's Magnetic Pulse