The secret to a locking zipper is in the pull tab. You need to flip the tab down if you want the zipper to stay closed.

When designs come from proven trailer plans, it's based on field tested and practical application instead of guess work.

Within the fields of everyday carry and travel security, the zipper lock is a category whose core structure has rarely been reexamined. For decades, most designs have relied on keys or simple ...

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(WJAR) — Year after year, gift cards are some of the most popular holiday gifts. Unfortunately, gift cards come with some risks. Bentley University professor and creator of scamicide.com Steve Weisman ...

Abstract: This study proposes a novel lightweight robotic gripper with a high-payload capacity using shape-memory-alloy (SMA) actuators and a self-locking mechanism. The multi-joint fingers of the ...

Abstract: The operational characteristics of high-voltage circuit breakers critically influence phase-controlled closing and power grid safety. To investigate the influence weights of structural ...

Keypad Decoder: Implements a 16-key keypad matrix decoding algorithm. Lock Mechanism Simulation: Uses LEDs to indicate the lock's status (red for locked, green for unlocked). 7-Segment Display ...