Strive as we might to make sense of the world, there are mysteries that still confound us.
Michael Brooks presents thirteen of the most perplexing. Cracking any one of them could yield profound truths.
Axis of Evil
Radiation left from the big bang is still glowing in the sky – in a mysterious and controversial pattern
April 9, 2009
I'd make a guess at number ten, it may sound silly but I'd guess the reason high energy waves take more time is because they create higher bow pressures that slow them down, while lower energy has creates less pressure. Just because a particle is nearly mass-less doesn't mean they don't have traffic jams.