This basic beat oscillator makes continuous wave keyed code and single sideband suppressed carrier signals audible.

Some claim audio processing is unnecessary, especially in a digital world. This couldn’t be further from the truth, Greg ...

National Radio Day celebrates radio’s history, cultural impact, emergency role, and lasting connection with listeners and ...

Wi-Fi works by using radio waves, similar to those used for radios or TVs, to send information through the air. When you do ...

Computers break examples of human speech into small bits of sound, then put them together to sound like people do.

When that energy reaches the ground, some of it is converted into seismic waves that ripple through the soil and rock beneath ...

These new 'microfliers’ could help engineers build miniature vehicles that don’t require batteries or engines.

A sound wave–based therapy commonly used to dislodge kidney stones is gaining traction as a treatment for erectile ...

You may have heard the phrase “we are made of star-stuff.” This statement by the astronomer Carl Sagan refers to the fact ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. When you speak, your lungs push air up your ...

Astronomers traced a mysterious radio signal repeating about every 80 minutes to a compact system containing a magnetized ...