U-Boat Worx, the Dutch company, just introduced the lightest personal submarine ever at its facility in Curacao. It weighs just 4,400 pounds, and you can tow it behind your truck, launch it from land, or deploy it from your yacht. The new sub, called Nemo, comes in one- and two-person versions, and can dive down to 330 feet. The two-seater weighs 5, 510 pounds. The company says that it has the same footprint as two jet skis. The actual dimensions are 9’ 2” long, 7’ 8” wide, and 5’ 1” high. Nemo is built to be owner-operated, so now you…