Wave watching by proxy — looking at how waves focus light on the sea floor
What is it that we actually look at when we go wave watching? Water is pretty much clear (or at least it is in the spots where I like to…
Tag: light
Optics
I’ve even talked about it on this blog before, but I find it still fascinating how every tiny droplet manages to flip the world upside down :-)
Refraction of light in moving water — why stuff seems to be jumping around
I was waking along Kiel fjord one morning and noticed a stone “jump” on the ground as waves went over it (and actually, that observation was the motivation to dive…
Refraction of light in water — looking at a couple of examples
Looking at how light gets refracted when it enters water is always fascinating. There are a dozen blog posts on the topic on this blog alone, but let me talk…
As frost starts melting, and the roof is getting dry, oh! The sun is up.
My office looks out directly onto the roof of our main lecture theatre, and it is fascinating how much you can observe just by looking out of a window and onto…
Diffraction of light
Today I’m playing with the sun. As I mentioned in the sun dog post already, I recently went on the ferry from Kiel to Gothenburg. And I had plenty of…
Lighthouses and Fresnel lenses
Or more reasons for why I want to live in a lighthouse. I have always been fascinated by lighthouses. Always. Usually because they are built in the most wonderful places…
The broken spoon
Refraction of light in water. I just happened to notice this the other day, so I thought I’d take a picture and share it with you. It is amazing how…