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Can Crusher - Wall Stability

Purpose

To show how a small change in the geometry of the can wall can dramatically affect its ability to support a load.

Equipment

Aluminum soda can, two sharp pencils, human victim.

Suggestions

Keep your fingers out of the way.

Images

b4-32

Description

An assistant balances carefully on one foot on an aluminum soft drink can. When the sides of the can are dimpled simultaneously by poking them sharply with pencil tips, the can immediately collapses.

References

(PIRA unavailable.)