Known as the Cybram 001, it's said to properly simulate the flow and pressure of one's arterial system from the cerebrum to the groin, and should allow doctors to gain greater familiarity with inserting surgical instruments into these delicate spaces.

ENGADGET: Cybram 001 simulator helps doctors practice brain surgery without risking lives (video)

During the dive, which takes up to four hours due to the high density of the water (it is filled with certain chemicals plus air pressure to simulate the circumstances found in space), the cosmonauts in training practice space walking -- and may lose a few kilos off their waist line in the strenuous process.

BBC: The dated future of Russia��s Star City

The full-scale 1, 900 square foot house sits inside a steel cage rigged up with 60 pressure boxes which can simulate the effects of a Category 5 hurricane (see photos).

CNN: Engineering a hurricane-proof roof