@stillyetnntp: "According to CyclingNews.com, anyway...
<<url>
vincis-flying-bike>
	;; Semper in faecibus sumus, sole profundam variat"
    @armb: "<quote>
I thought it would be obvious to readers without pointing it out, especially
in the context of the post it was following up. (Maybe I should have approved 
my own post so it appeared on the same day. I've been on holiday since.)"
    @thirtysix: "<quote>
I've recommended befoere to fill air spaces in bicycles with pure
hydrogen but perhaps it would look even better if some rather large
luggage bags were filled with hydrogen balloons."
    @mrcauser: "On Sat, 10 Apr 2010 08:16:39 +0100
<quote>
Ooooh no!  Haven't you (of all people) heard of "hydrogen embrittlement"?  
<<url>
Chacun � son go�t  :-)
Mike
Mike Causer"
    @cam: "<quote>
Don't fill them with anything. Fill them with nothing. Nothing is
lighter than anything, including hydrogen.
Chris Malcolm"
    @spamspam: "<quote>
But the bags would weigh more than the hydrogen because you'd have to
make them stiff enough to resist implosion under atmospheric pressure.
That's why it usually is better to use helium or hydrogen in balloons
and things rather than nothing."
    @armb: "<quote>
Is that going to be a significant problem at normal atmospheric temperature
and pressure? With the option of using aluminium alloy or carbon frames?"
    @mrcauser: "On Sat, 10 Apr 2010 18:11:17 +0100
<quote>
Maybe in the Jovian atmosphere, probably not on Earth.   The process of
chrome plating steel /is/ a bit of a worry though, although any bike
that is still in one piece since chromed ends went out of fashion is
probably OK.   
Mike
Mike Causer"
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