What happens when you heat up a bar made of two different materials? This compound bar provides the answer. Because the coefficients of linear expansion for brass and steel are different, the 20 x 1.25cm bar curls in a surprising fashion.
Oakley STEM Center Lending Library
https://www.tntech.edu/stem
155 W 7th Sthttps://www.tntech.edu/stem
Cookeville, 38505
USA
(931) 372-6573