Keeping rubber bands and spare keys shows you’re not blindly optimistic. You acknowledge that things can break, packages may need sealing, or you might get locked out. But does that stop you ...

[ProjectAir] simply scaled it up to an eleven foot wing- one foot larger than the ten foot world record holder. Since there were now eight rubber band motors, a mechanism was created to release ...

that uses rubber bands. Though we have seen rubber bracelets running on printed wheels, and o-rings used to provide tension on a tool holder. The end result is slightly reminiscent of embedding 3D ...