Sonar: The Science and Math it Relies On

Sonar: The Science and Math it Relies On

How it Got Here

When a sonar works, it uses sound waves to detect and locate underwater objects or measure the distance to the seafloor. It can be used for submarine detectionmine detectionsea floor mappingcommerc...

Scientist Stats

Daniel ColladonBorn and Died: 1802 – 1893Country: SwitzerlandScientific Field(s): PhysicistShort Bio: Daniel Colladon studied the law but decided that Physics was too interesting of a career to p...

Logarithms and Exponentials

Have you ever played on an indoor tennis court? It's just like being outdoors, except you're trapped in a very small space with a whizzing ball that could cause some serious damage to your insides....

Decibels

How long can you listen to music before you experience hearing loss? What? Sorry, we can't hear you; we went to a really loud concert last night and you know the best place to go is right next to t...

Mechanical Waves

When's the last time you played in a pool? How about the last time you played the game pool? Or maybe you played pool in the pool by pooling your pool toys? However you pool, you can get some great...

Transverse, Longitudinal, and Surface Waves

When we deal with waves, we're actually talking about couple of different types of movement. At its heart, a wave is a movement from one location to another location. It isn't the movement of one o...

Acoustics and the Acoustical Wave Equation

If we were to come up with a tagline for sound, we'd probably say:Sound, it's happening all around you. Just like all those plans your friends are making behind your back.You can't avoid it. Unless...

The Doppler Effect

Dogs know a lot about physics.Don't believe us? Let's take a chihuahua, Tessa, as an example. Tessa, minding her own business, starts getting really excited and jumps up to the window to see an air...