Universe of Science: Science Experiment Kits
Fun, safe, amazing, inexpensive chemistry and physical science experiment kits with the science behind the reactions!
http://www.universeofscience.com

Troitsk Neutrino Mass Experiment
A neutrino mass experiment that ran in the 1990s at the Institute for Theoretical and Experimental Physics (ITEP) in Moscow. The experiment suffered from systematic difficulties and its results have been contradicted by the Mainz experiment.
http://www.inr.troitsk.ru/~trdat/

START
START (Small Tight Aspect Ratio Tokamak) fusion experiment at UKAEA Culham.
http://www.fusion.org.uk/culham/start.htm

Compton Gamma Ray Observatory
The Gamma-ray Large Area Space Telescope (GLAST)
http://cossc.gsfc.nasa.gov/docs/cgro/

The IMB Proton Decay Experiment
A brief pictorial history of the Irvine-Michigan-Brookhaven Experiment.
http://www-personal.umich.edu/~jcv/imb/imb.html

The EPR Experiment
A somewhat technical review of the EPR paradox and the Aspect experiment which was designed to test it.
http://roxanne.roxanne.org/epr/eprS.html

TCS Experiment
The translation, confinement and sustainment FRC (field reversed configuration) experiment at the University of Washington.
http://www.aa.washington.edu/AERP/RPPL/programs/tcs.html

NEMO
NEutrinoless experiment with MOlybdenum; double beta decay experiment in Frejus Underground Laboratory.
http://nemo.web.lal.in2p3.fr

Test & Experiment in der Psychologie
einführung in die grundlagen des psychologischen testens und des psychologischen experimentierens
http://www.stangl-taller.at/TESTEXPERIMENT/

KitsUSA.us
Distributor of robot kits, electronic kits, and other educational kits. Site includes online store.
http://www.kitsusa.us/