Invisible key structure opens doors with a hand gesture - 0 views
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jasmeen jassi on 03 Oct 11apart from of how quickly technology is advancing, the physical key seems to stay a part of our everyday lives. Many of us have many keys for accessing dissimilar parts of our homes, and while we no longer need to insert a key to unlock a car or office door, we still carry some form of fob or card for wireless locking/unlocking.