This large chunk of Moscovite Mica, 2-3 inches in diameter, is great for any mineral collection.
A common rock-forming silicate, generally colorless and ranking No. 4 on the Mohs scale of hardness. It has a variable chemical composition of potassium, magnesium, silicon, and oxygen, with water in its crytalline structure. Large, clear plates of mica where once commonly used for windows, but more often used as an insulator.
Working model representing the sun, earth, and moon and their relationships.
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
Do micro-controller projects and program them using your own computer!
This project book and sample kit introduces you to shape-memory alloy technology!
Check out this high-quality gyroscope!