b3ta.com board
You are not logged in. Login or Signup
Home » Messageboard » XXX » Message 2502473 (Thread)

# B&Q
sell little stickers which turn black in the presence of CO2... no batteries required :)
(cybo, Tue 16 Dec 2003, 13:50, archived)
# it's CO not CO2 /pedant
but they are good, only last a few months and you have to look at them to check.
Some student unions (well mine, dunno about anywhere else) sell them cheap, 1.95 for two IIRC
(The Scone from U.N.C.L.E., Tue 16 Dec 2003, 13:52, archived)
#
too true, i flunked chemistry :(
(cybo, Tue 16 Dec 2003, 13:55, archived)
# And no annoying
beeping sounds!
(I helped save b3ta! AzToTheRescue The arsehole formally known as Az The S slur, Tue 16 Dec 2003, 13:52, archived)