@calestous The production process came from manufacturing cassette tapes http://qz.com/433131/the-story-of-the-invention-that-could-revolutionize-batteries-and-maybe-american-manufacturing-as-well/ …
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.