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Tim; On 15 Nov 2016 22:01, "Tim Reynolds" <[log in to unmask]> wrote: > > > > > By the way on an earlier point about flammable gas in pipelines being a non-starter – just how do you think natural gas is piped into people’s homes for the North Sea? I’m pretty sure it flammable! > > > > Best > > > > Tim > This is very true - but hydrogen and hydrocarbons are very different gases. Nonetheless, I should have been clearer, so accept my apologies and a correction: it's eminently *possible* to build hydrogen gas distribution systems, but it is not and likely never will be *practical* to do so. (Let alone affordable or safe, which are equally significant obstacles.) And as for fuel cell research, well, hey, they're still funding the fusion people too, right? ;) P ********************************************************************** psci-com how-to: Once subscribed, send emails for the list to [log in to unmask] If not subscribed, either subscribe here https://www.jiscmail.ac.uk/cgi-bin/webadmin?A0=psci-com or send reqests for items to be posted on your behalf to [log in to unmask] To unsubscribe (or silence messages while away) send an email (any subject) to [log in to unmask] with one of the following messages (ignoring text in brackets) • signoff psci-com (to leave the list) • set psci-com nomail (to stop receiving messages while on holiday) • set psci-com mail (to resume getting messages) Contact list owner at [log in to unmask] Small print and JISCMail acceptable use policy https://sites.google.com/site/pscicomjiscmail/the-small-print **********************************************************************