Just when you think you're happy with the advancements in batteries, hold on to your electrons as ultracapac-s - or supercapacitors, depending on your phrase preference - make everything that came before them look ancient. Ultracapacitors are changing the way we think of energy storage. So forget about the days of just using capacitors as filters or coupling; try using ultracapacitors for energy storage - tons of it. And, by all means, forget that 1 farad was once considered a large value for a capacitor.
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