It seems to me that the 'thumb' of the seam ripper would leave a trail of displaced molecules behind it when making the cut. Perhaps this effect is negligible if you cut down the column rather than up.
I think what I would do is freeze the straw solid and either slit the straw lightly with razor blade or use a dowel to push the column out the end.
Side note: for a thicker column, there are these straws used with 'bubble teas' in chinese restaurants. Presumably they are still relatively cheap, albeit a bit more difficult to find than grocery store straws
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Re: !/2 filled straw....horizontal..cutting..
Date: 2009-02-09 06:09 am (UTC)I think what I would do is freeze the straw solid and either slit the straw lightly with razor blade or use a dowel to push the column out the end.
Side note: for a thicker column, there are these straws used with 'bubble teas' in chinese restaurants. Presumably they are still relatively cheap, albeit a bit more difficult to find than grocery store straws