Re: DINOSAUR digest 399

[Martin Human <martin@hpentccl.grenoble.hp.com>]

LN Jeff wrote:
> 
>      Exactly.  Curved knives and swords have the cutting edge on the
> convex side, presumably because it makes it easier to DRAW the edge along
> what is being cut, which makes it much easier to cut.  Try cutting a
> tomato just by pressing down, and then by slicing.  Dromeosaur claws would
> have the same problem.  With the cutting edge on the concave side, it
> would be more difficult to draw the edge along the wound, and the
> likelyhood of the TIP of the claw getting snagged would be greater.
> 
> LN Jeff

and gardener's pruning knives are curved the other way, to help slice
twigs etc!


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