For those of you who thought the Inka pen (Day 1 dispatch) was too heavy at 0.6 ounces, how about the Stowaway at 0.2 ounces! It uses the same pressurized ink cartridge (in fact, Paul Fissure invented it) so it also writes in extreme conditions of altitude, temperature, and underwater. It is about 3 inches long and only costs $8.
"Fisher Space Pen The Stowaway First Look (Outdoor Retailer Winter Market 2005)," by Carol Crooker. BackpackingLight.com (ISSN 1537-0364). http://backpackinglight.com/cgi-bin/backpackinglight/fisher_space_pen_stowaway_outdoor_retailer_winter_market_2005.html, 2005-01-31 03:00:00-07.