Why don't potato peelers need sharpening?

14 March 2011
Presented by Diana O'Carroll.

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Potato peelers are the staple of the kitchen drawer, but why don't they ever seem to need a good honing as ordinary knives do? We have the answer(s). Plus, we ask how the distance to a star is calculated.

In this episode

00:00 - Why don't potato peelers need sharpening?

Potato peelers are the staple of the kitchen drawer, but why don't they ever seem to need a good honing as ordinary knives do? We have the answer(s).

Why don't potato peelers need sharpening?

Potato peelers are the staple of the kitchen drawer, but why don't they ever seem to need a good honing as ordinary knives do? We have the answer(s). Plus, we ask how the distance to a star is calculated.

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