Shear
[M | t+ | —]
Rubber sheet model.
Torsion
[S/M | t | —]
Rubber tube and wooden slat models are twisted.
Spiral Fracture
[M | t | ★★★]
Realistic leg-in-ski-boot accident.
[In-Depth Description]
Buckling
[M | t | —]
Wooden slat is compression loaded to buckling point.
Paper Rod vs Tube Strength
[S | t | — ]
Coke Can Strength
[M | t | —]
An empty Coke can can support the weight of a person standing on it, notwithstanding that the walls of aluminum are only a couple of thousandths of an inch thick. But it buckles readily!!
Egg Shell Strength
[L | t++ | ★★★]
Eggs have a reputation for being quite strong under compressional loads. You won't believe your eyes when you see how strong they are.
Fracture Strength of Chalk
[M | t+ | ★]
Chalk rod subjected to tensile and compressive loads.
[In-Depth Description]
Creep of Lead
[M | t+ | ★]
Lead rod subjected to tensile load.
[In-Depth Description]
Foam Rubber Beams
[S| t+ | —]
The structural strength of these I-beams is easily made evident with small loads.
Hooke's Law and Young's Modulus
[L | t+ | —]
Both can be determined by stretching a long wire with weights.
Collapsible Cow
[L | t+ | ★★★]
Scaling of wooden cow, simply and Nature's way.
[In-Depth Description]
Contact Us
Mailing Address: Lecture Demonstration Services, Science Center, Rm B-08A, 1 Oxford Street, Cambridge, MA 02138
Campus Location: Science Center B-08A | Tel: (617) 495-5824 | Email: scidemos-at-fas.harvard.edu