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Color-changing BMW.
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Previously:
https://www.homemadetools.net/forum/...567#post158974
https://www.homemadetools.net/forum/...582#post197409
https://www.homemadetools.net/forum/...149#post191687
https://www.homemadetools.net/forum/...891#post171445
https://www.homemadetools.net/forum/...242#post184827
Her Trackhawk race was absolutely hilarious!
She was so surprised at the power of that car...
https://www.youtube.com/watch?v=3wNV0knQ8BM
And she knows fast cars very well.
meanwhile the question "how does it work?" remains unanswered....
BMW site says this:
The body is laminated with an electrophoretic film containing microcapsules the diameter of a human hair. Each capsule contains differently charged white, black or coloured particles which become visible when an electric field is applied. This creates what is known as an Electronic Paper Display (EPD).
Interesting idea but I don’t feel like it will take off until colors are possible.