We felt the house shake a little.

I felt my phone vibrating in my pocket.

By playing the string, the string vibrates and produces a sound wave.

And it's jiggling and wiggling there because of the surrounding soup of molecules, which I've stripped away so you can see something.

We managed to create frequencies that resonate with the body of the phone, said the app s audio engineer Miles Gordon, so the phone is vibrating entirely using the speaker.

So those governments whose credit is still unshaken and whose assets are still the benchmarks of quality for the world economy should be creating a lot more of them.

The Israelis say they are intent on destroying the network of tunnels, and almost every night there are airstrikes that shake Faiza's home, terrifying the children and the adults.

And there was a day about seven years ago I was planting potatoes, it was the first week of May this is New England, when the apple trees are just vibrating with bloom they're just white clouds above.

And what the American the most powerful military in the history of mankind was able to muster for his rescue, believe it or not, was literally these heroic two American soldiers went into the shaft. Building was shaking.

It serves either as a barrier between two chambers, moving slightly up into one chamber or down into the other depending on differences in pressure, or as a device that vibrates when certain frequencies are applied to it.