Como est=E1 a placa? Em 09/09/2012 19:16, William "Chops" Westfield escreveu: >>> a rubber band feels cool after it is stretched and released > Rubber is apparently a rare substance that shrinks when heated rather tha= n expanding. > As a result, you can build a number of interesting gadgets. Search "rubb= er band heat engine." > > BillW > > --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .