I recently had the pleasure of meeting Robert Deegan from the University of Michigan. He has been involved in research that focuses on the dynamics of non-equilibrium systems for many years. Recently, he has become ‘famous’ among physicists for the discovery of the so-called “cornstarch fingers”. They can be observed when accelerating a non-newtonian liquid rapidly up and down by eg. placing it on a loudspeaker.
Deegan’s setup involves some pretty expensive hardware but this weekend, I decided to give it a try myself with a couple of friends: tjansson and haalle. Below is a photo of our setup, which consisted of a signal generator, an amplifier and a 8″ loudspeaker.
The first movie we recorded shows the effect of accelerating water rapidly up and down. You clearly see patterns, known as Faraday waves, forming on the fluid surface.
As you may have noticed, a number of national and international tv stations are beginning to offer their products in the form of high-definition mp4 live video streams. Long gone are the days when streaming meant crappy realmedia video. Let’s hope they never return.
A natural question that arises is how to record and store such streams for future viewing. In this part one of our feature on recording with VLC we will look at how to save a tv stream to the hard disk. Read on for more…
I use an iPod Shuffle to listen to podcasts and music when doing sports, driving my bike etc. The iPod Shuffle is a bit different than most other iPod models since it does not have a display. The content browsing is therefore limited to skipping forward and backwards until you find the tune you want to listen to. In my opinion this eliminates the need for iTunes as a tool for organizing your music.
I have recently found an easy way to avoid using iTunes. Read on for more.
Every blogpost should have a nice image with some generic caption.
I needed a simple, free, graphical Linux web tv and radio streaming program. In need of a better thing, I wrote TVtools, which uses mplayer and VideoLan VLC. Read on for more!
To automatically dock figures in Matlab, issue the command
at the beginning of your script.