Submarines are incredible machines that can submerge underwater for extended periods, allowing for military operations or underwater research. Their most significant advantage, particularly in a military context, is their ability to conceal themselves underwater, away from the watchful eyes of the enemy...
The flying drones are designed to be ejected from the sub and then take flight. This new capability addresses the traditionally poor situational awareness of the submarine. It’s hard to know what’s going on when you’re underwater. For more than 100 years, submarines have struggled with a...
Fast Fact A well-known density-driven current occurs where the saltier Mediterranean Sea empties into the Atlantic Ocean. During World War II, submarines used this current to enter and leave the Mediterranean without even turning on their engines! Tidal Currents The gravitational pull of the moon...
Fast Fact A well-known density-driven current occurs where the saltier Mediterranean Sea empties into the Atlantic Ocean. During World War II, submarines used this current to enter and leave the Mediterranean without even turning on their engines! Tidal Currents The gravitational pull of the moon...
Why does a magnetic compass needle not work in submarines? Water is more elastic than air. Why? What are the characteristics of standing waves? Why does water make a shirt darker? Why doesn't water not run out of a cup while it's upside down in water? Why do airplanes wings not flap...
The only real problem with using internal-combustion engines to power boats is that they need a constant supply of oxygen to burn the fuel; that means you can't use them to power submarines underwater. There is a workaround, however: you can use a diesel engine near the surface to ...
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Fast forward 20 years. Chris, I mean Darrel is gone, [his nickname was Chris] but I still think of him. Usually two times a year. Memorial Day and Veterans Day and the month of December; the anniversary of the Attack on Pearl Harbor.Get...
idea of using radio pulses from lightning instead. These natural atmospheric radio sources – or “sferics” – have a very low frequency, so can penetrate deep underground and even underwater. The military is interested because it would improve navigation in caves and tunnels or for submarines....
Search for MH370 goes underwater 01:51 CNN — Four pings and an oil slick. That’s what the search for Malaysia Airlines Flight 370 has yielded so far. No signs of wreckage, no assurances of exactly where the plane might be. So officials are launching their next option: an ...