Modern underwater vehicles and other diving equipment is sleek, lightweight, and colorful - you should see it. advances in the efficiency of diving rebreather systems are transforming diving into next generation of underwater development.
The HID stands for High Intensity Discharge and while arc lamps have been around longer than light bulbs, new HID technology has made them safe and efficient. The first hand held HID lights were introduced about 4 years ago.

In the 1950s, development of the scuba unit revolutionized diving (it was next generation diving), and its technology continues to develop apace. Modern underwater vehicles and other equipment is sleek, lightweight, and colorful, and advances in the efficiency of diving rebreather systems are transforming diving once again.