Chinese locals have already demonstrated a knack for knocking together homemade flying contraptions and robots. Now one amateur inventor has created a full-fledged submarine built primarily from discarded oil barrels and tools bought at a second-hand market.
China Daily says that Tao Xiangli made his underwater debut in a lake outside Beijing on September 3, 2009. The inventor outfitted his vehicle with a periscope, depth control tanks and electric motors, after spending two years and roughly $4,385 on the project.
The incredible innovations, like drone swarms and perpetual flight, bringing aviation into the world of tomorrow. Plus: today's greatest sci-fi writers predict the future, the science behind the summer's biggest blockbusters, a Doctor Who-themed DIY 'bot, the organs you can do without, and much more.