Make Your Own Spectrometer
Jul 02
Spectrometers are used, like prisms, to spread light out into the component colours. This enables us to understand the compositions of everything from stars to streetlights. Here I show you how to make your own spectrometer and give you a few examples of what you can see with it.
Black Hole Hunter
Jun 24
Black Hole Hunter is an online game. This relates to a post of mine from last week about the sounds of gravity waves. If you like listening to white noise and looking at graphs then this is the game for you!
The Font Sizes of the Planets
Jun 24
A nifty graphic showing the sizes of the planets, moons, comets, asteroids and plutoids in relative font sizes. Best viewed very large!
Solar Eclipse 2008
Jun 23
August 1st 2008 will see a solar eclipse visible across much of Asia, Europe, the Middle East and some portions of North America. The eclipse is often being called the 2008 Olympic Eclipse because it comes just days before the commencement of the Summer Olympics in Beijing.
Listen to Gravity
Jun 16
Gravity waves can be interpreted as sounds. Here are some of the gravity-sounds that would be made by black holes, pulsars and other massive objects.
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