3
votes
2answers
74 views

Does the slip-stick phenomenon have any application?

The slip-stick phenomenon is present all around us, be it the noise of car breaks or in earthquakes. But does it have any real-life application?
2
votes
4answers
791 views

Are quantum mechanics calculations useful for engineering?

I heard it's is pretty tough to get results for more than a few quantum particles. Are quantum mechanical calculations useful at all for any technology that is being sold? Or do they use ...
0
votes
0answers
214 views

Did Rutherford invent the smoke detector? [closed]

On the web I have found several pages crediting Ernest Rutherford with the invention or at least with discovering the foundation of efficient smoke detectors. The story often goes like this: The ...