Understanding ultracapacitors' role in energy harvesting
Keywords: energy harvesting alternative power sources ultracapacitors in automotive
[Summary of tips] The internal combustion nd in Google+ visits">engine has remained dominant in the automotive industry because it has very high energy density (petrol) and very high power density, controlled by the rate of fuel ignition. This combination of energy and power density does not exist for batteries or fuel cells, and alternative......|
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Strange modes of transport and other "stuff"
Someone just pointed me at a YouTube video that claims to show the world's first e-powered multicopter flight...















