Students investigate the inheritance of the ability to taste sodium benzoate by constructing a pedigree of the ability of members of their family to t...
This model shows the internal structure and operating principles of an air cooled two-stroke engine. All parts are aluminum and plastic. Ignition is s...
Study the motion and behavior of gas molecules with this intriguing demonstration. An electric motor, running at 4 to 12 V DC, vibrates a small platfo...
As part of the GE line of non-invasive testing systems, the GE Mac 5500 EKG system offers the high-tech capabilities of the most advanced EKG systems ...
This excellent quality electrostatic generator consists of a charge generation system, an aluminum collector sphere, and an electric motor drive on a ...