Bttf marty doc remote

"Only if it turns out that reality is actually nothing more than a holographic illusion created by the interplay of subatomic particles on a vast two-dimensional membrane."

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"Problem is we won't be able to show it to anybody."
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"Just a way of keeping an eye on you boys."
—Doc Brown, after placing tracking bracelets on Jules and Verne.

A tracking bracelet was a metallic band worn on the wrist, which was created by Dr. Emmett Brown using modified 2038 technology.


When the Brown family traveled to September 21, 1939 on the Time Train to visit the New York World's Fair, Doc put one of these bracelets on Clara, Jules, Verne and Einstein so he would be able to find anyone who got lost. Doc himself wore a bracelet incorporating a tracking device for this purpose.

According to Doc, the bracelets' futuristic inner workings would allow him to track his family members anywhere on Earth.