It consists of a cylinder which is nearly three metres in diameter and attached to a base plate, so it stays at the bottom of the ocean.The laboratory weighs 73 tons and the base plate weighs 103 tons. Although it's only 13 metaes long, six metres wide, and five metres high, six scientists and technicians can live in Aquarius for ten days, or even a month, and study underwater life. It has all the comforts of home: six bunk beds, a shower and toilet, hot water, a kitchen with a microwave and refrigerator, air conditioning, and computers with wireless connections.