Musk says Puerto Rico’s power grid could be built from the ground up with solar and battery packs

In the wake of two hurricanes, Puerto Rico’s power grid was blasted back to the stone age. In an effort to return power to the people who need it, Tesla has been shipping Powerwalls over to the island.

New water-based lithium-ion battery will never explode in your face

Collaborating with the military, University of Maryland researchers made a 4-volt lithium-ion battery that runs on an aqueous-based electrolyte. With no organic solvents in its composition, the battery can’t possibly ignite or explode like the typical non-aqueous lithium-ion variety.

A maize boom turns the English countryside green in every sense

IN A field on the outskirts of Norwich, Innes McEwan, head of farming at Future Biogas, explains the benefits of maize. It is full of starchy energy, responds well to organic fertilisers, has a short growing season and can be cultivated in a range of soil types.

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