#howitworks #secretscience #mindblown Sharpener

Pencil sharpeners look simple—but they’re perfectly engineered.

Every time you twist a pencil, the blade angle creates a smooth, even spiral cut that shapes the pencil into a precise point.

It’s not random. It's a controlled design.

Видео #howitworks #secretscience #mindblown Sharpener канала Hidden Mechanics