Tagged Questions
1
vote
3answers
90 views
How to design an experiment that shows that a rectangular pulse can be expressed as a series of infinite sinusoids?
Is it possible to design a physical experiment that shows that a time limited signal, such as a rectangular pulse is composed of infinite continuous sine/cosine waves?
1
vote
1answer
143 views
Are the sound waves from fundamental strings impossible to interact with?
Edited the question thanks to some helpful commenters.
Are the sound waves emitted by fundamental strings so small as to be impossible to interact with the world? In other words, do they disappear, ...
6
votes
2answers
153 views
How do the LASERs in LIGO realize that space has expanded as a gravitational wave passes by?
I read an article on LIGO, and I heard it mentioned that it is a nontrivial argument to say that the effect can be measured by interferometry. What happens to space as the wave passes? Does the light ...
7
votes
2answers
125 views
How to reproduce highway vibration?
I would like to test my hardware under vibration that can appear on a highway gantry.
If someone has a model of such vibration. i.e period and amplitude.
In my lab I have a motor that can be ...
