More reliability would have come from water-proof substations, building-centric Bloom fuel-cell power and local micro-grids.

FORBES: New York, Black Swans, Blackouts and Anti-Fragile Grids

Travellers will have to wait until this autumn to get their hands on the most anticipated fuel cell-powered charger, when US-based retailer Brookstone unveils its micro-USB power charger.

BBC: Four ways to revive a dying mobile phone