This week’s posts:

 Why MHD propulsion won’t work

The puzzling presence of DIBs

The sunset on HD 189733b

Tune into the snowflake channel

Black holes may convert dark matter into cosmic rays

This entry was posted on Saturday, December 22nd, 2007 at 12:09 am and is filed under Highlights. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.