says Vescovo, "and the submarine is designed to go up and down fast! It's a long, long way down, and the environment there is just unbelievably harsh. When you go from sea level to outer space, you go from one atmosphere pressure to zero, it's a vacuum. When you go to the bottom of the Mariana Trench, you're going from one atmosphere to 1,100, immersed in salt water, and it's freezing cold. It is just torture for anything physical." One of Vescovo's biggest challenges was how to make sure everything from batteries to propulsion systems on the submarine would continue working at such crushing depths, dive after dive.
อ่านต่อได้ที่ : โรงเรียนชุมชนวัดอัมพวัน
สาระน่ารู้ : เท้า
โพสต์โดย : Kanda
