There are times when you see things that are almost impossible to believe. Your brain vehemently resists the obvious interpretation because it’s just so bizarre. This, for me, was one of those times.
It might be worth mentioning that I first saw this (and posted it) without actually hearing the sound. (I was on a machine that didn’t have any speakers on it.) In some ways it was even better silent, esp. the first time.
This wonderful little video (produced by some U of M Twin Cities mathematicians) has apparently been viewed over 1 million times now, which is a lot more views than it would ever get in class. I frequently run into faculty that are very intent on holding on to their teaching ideas and techniques, and certainly not sharing them openly with the world. They see those ideas as “their property”, to be guarded and controlled as much as possible. It’s a weird attitude, because almost none of them will ever see any money from those ideas, and the potential for wider viewing and usage is just so much greater if they open up (as in this case).
A good video like this takes a lot of time to produce, but faculty often put in huge hours on their lectures, labs, and demonstrations. Get it out there!
I keep going on about how hard it is for well meaning people to make good decisions without accurate feedback, and this video has a nice way of visualizing the problem. Now if I could just get all our appliances to make balloons like that…
Coin operated gas meters were common in the UK for many years, and in some ways it would be nice to return to something like that. It would make you think a second before automatically hitting that light switch when you enter a room, and it would certainly encourage you to turn the damn thing off when you leave. We still haven’t gotten a bill from all the utilities we’re connected to here in the UK, and we went months with absolutely no feedback on our energy consumption. If there’d been little meters on everything, we would have very quickly learned where the big energy sinks were. As it is, we’ll probably never really know.
Or, more on how the world is changing wildly while we’re busy making other plans:
This is a wonderfully simple and provocative video. You can quibble about some of the details, but don’t. Step back and soak in the big picture. And then think about how we educate our kids and ourselves. (I’m sure that teaching children that the earth is 6,000 years old must be a win. Really. Just must be.)