>=20 > On 2014m05d19, at 2:51, RussellMc wrote: >=20 >>=20 >>>> One big concern I would have, with anything non-standard, and >> especially >>> home-made, is getting it destroyed by the TSA as they check the aluminu= m >>> tubes for explosives. >>=20 >=20 > You could make them from Berylium :-) :-(. >=20 >=20 > R >=20 Xray transparent ? =85=85=85 or poisonous ? GID --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .