1. The pressure inside is no different from being in a submarine or in fresh air.

2. We use a laser to open the submarine door, which releases the drug.

3. Living up to that reputation, a Japanese company has made a submarine camera that helps you take photos of goldfish.

4. Cameron and a team of collaborators in the United States and Australia designed the submarine over the course of seven years.

5. North Korea has threatened to sink the Carl Vinson and a US submarine, amid rising tensions in the region.

6. And the military value of the naval submarine base is enhanced by having, in this particular case, a dive locker.

7. The submarine had also been damaged in a deadly explosion in 2010 and had only recently returned to service.