Here's how to turn a bar of titanium into a ring with LED-illuminated jewels that light up when they're near a power source. One: fall in love. Two: a bunch of other stuff. Three: boom, magic-ring.
Imagine the look on your girlfriend's face as you pull out this ringbox. Extreme happiness, segueing into extreme disgust, as she realizes you went to the trouble of presenting your proposal on video, shown on the inbuilt 2" LCD. [Gadgeteer]
This diamond engagement ring is now hidden, patiently waiting for treasure hunters as its owner—29-year-old rejected man Anthony Gardiner—gets ready to tell clues about its location via Twitter.