Giant Robot Crab Walks on Ocean Floor

• The Crabster CR200 is a 1,400-pound behemoth of a 'bot soon being sent to the ocean floor—for both scientific and commercial use.
• The machine you see here isn't complete; the Korea Institute of Ocean Science and Technology team will be adding the outer shell 
• But earlier this year the goal was to begin a full-depth (656 feet) testing in spring.