Welcome to H3 Maths

Blog Support for Growing Mathematicians

Posts tagged with sound waves

Sound Waves and Noise Cancelling

July21

Play the note A Play the (shifted) note A You may have seen advertisements for “noise reducing” headphones. Here’s a rough idea of how they work. First they figure out what kind of noise is reaching your ears. Essentially this means it figures out the sine waves of the ambient sounds. Then it creates additional […]

by posted under Uncategorized | tagged under , , , ,  |  Comments Off on Sound Waves and Noise Cancelling

Hear Ye, Hear Ye, Math = Sound Waves!

July4

There is a lot of information on the web about sound waves and the mathematical patterns surrounding them. For example, the changes in air pressure produce sine curves such as this one below. Of course, there are complex formulae that apply in calculating sound effects. When we listen to a radio or TV we hear […]

by posted under Uncategorized | tagged under , , , ,  |  Comments Off on Hear Ye, Hear Ye, Math = Sound Waves!

Tsunami Remembrance

March9

We are still in awe at the destructive tsunami that hit Japan a year ago. This composite picture gives some idea of the power of the earthquake and the tsunami that followed. Our hearts go out to our Japanese friends for all the sadness they endured and still endure today: This tsunami was triggered by […]

by posted under Uncategorized | tagged under , , , ,  |  Comments Off on Tsunami Remembrance

H3 Viewers



Skip to toolbar