You can blow bubbles through a chunk of porous oak, provided it is cut
the right way. It has to be a bit with the xylem running vertically,
preferably summer wood. We do this demo in our Plants and People
course. You don't get free-floating bubbles, but you sure do get foam
on the soapy-water end.
M. Reed
> "Robinson, Dr. David" wrote:
>> I just read something in the popular literature that claims that
> red-oak wood is so porous that you can blow smoke through it.
>> I tested this in my local Home Depot and found the claim to be
> inaccurate (and embarrassing).
>> Does anyone know of a type of wood that you CAN blow smoke through?
> or create bubbles with? ...seems like it would be a great classroom
> demonstration.
>> Thanks.
>> Dave Robinson
> Bellarmine University
> Louisville, KY
