Minuscule tubes coated with a chemical fuel can act as a power source with 100 times more electrical power by weight than conventional batteries.
As these nano-scale "fuses" burn, they drive an electrical current along their length at staggering speeds.
The never-before-seen phenomenon could lead to a raft of energy applications.
Researchers reporting in Nature Materials say that unlike normal batteries, the nanotubes never lose their stored energy if left to sit.
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For the team, however, the first task is to understand just what is going on in the nanotubes, whose mechanical and electrical properties continue to surprise researchers in a number of fields.
