guy ) thought , sitting on the bus with his nose pressed against the window , in all likelihood , the power plant probably didnt just serve normal houses full of able-bodied people , for whom a sudden loss of power would create nothing much worse than an irritating but , in all likelihood , temporary inconvenience , but also other places like hospitals full of the infirm and elderly or the very young ; maybe even hospitals with whole wards of premature and defective babies , for example , laid out in plastic boxes , wired up to complicated machines that kept their hearts beating .