CBE 30355 - Lecture Notes - Aug. 25, 2022

Announcements

Class notes

• The Continuum Hypothesis

Goals:

• Know where the continuum hypothesis breaks down.

Reading

• The class notes.
• BS&L, chapter 1

Additional Readings:

In class we talked about the speed of sound. While we won't be doing much acoustics in this class, it's a fun topic. While we usually think of sound propagating through air, in fact it is just as important how sound propagates through water - particularly if you are on a submarine! For just about everything you ever wanted to know about sound in the sea, visit the website here. The history of underwater acoustics near the bottom of this page is particularly fascinating.

Demonstration:

In class today we demonstrated standing waves and resonance using the "Singing Water Bowl". An interesting description of the bowl (and one I used to figure out how to make it go...) is found here. A somewhat more scholarly examination of the bowl can be obtained by the Google Scholar search here , where the paper (second link when I did it, anyway) can be accessed using the "FindText @ Notre Dame" link. You have to do this from a computer accessing the web through ND, though, but it's a great way to get at scholarly articles.