Materials Science
Sticky tape holds your weight in shear and peels off with a fingernail. The adhesive is not what changed
15 Sept 2026 · 12 min read
A glued joint almost never fails because the glue broke. It fails at the interface, in a direction the designer did not intend — and the gecko, which uses no adhesive at all, shows why splitting a contact into millions of small ones is the whole trick.
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