So....
Not gravity then? I thought it was gravity, thus why you never see a flying train.
(
Sonic James Doom forgetting the date since... umm..., Tue 18 Feb 2014, 23:09,
Reply)
^ That's what I thought too.
(
omnitruncatedkraken from Empire Algol, Fri 21 Feb 2014, 20:38,
Reply)