Blubber Bots 
"Blubber Bots are DIY robotic species that navigate autonomously and intelligently. Blubber Bots float, dance, seek and sing. They are light-seeking helium-filled balloons that graze the landscape in search of light and cell-phone signals. If you make a call and wave your phone near a Blubber Bot, it will go into a flocking dance or sing you a special tune. They bellow sounds similar to a whale’s song and serenade you with melodies. When not being played with, they rest for awhile, awakening periodically and seeking attention...
...They propel themselves using helium buoyancy and two directional motors...."
Originally they used hydrogen for buoyancy, but as you can imagine, that did not end well.
1 comment:
I'll take one for Christmas.
Thanks!
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