Roger G3XBM's (Mainly) Amateur Radio Blog

The universe is supposed to be about 14 billion years old. There may be multiple universes. Human beings have been around for perhaps just 5...

For a very long time I have been puzzled by scale. One the one hand the universe seems immensely vast. On the other hand at the atomic scale...

One thing I am sure about is that in 100 years people will look back at us and think, "did they believe that ?". In the last centu...

http://images.4channel.org/f/src/589217_scale_of_universe_enhanced.swf This quite wonderful website brings to life the scale of things in ...