Chemistry Crystal impervious to radiation could be used in spaceship computers Putting two forms of semiconductor material called gallium oxide together seems to make it completely resistant to radiation NewsFree
Space Lori Garver on why NASA is returning to the moon for the wrong reasons Ex-NASA deputy administrator Lori Garver helped create the now-booming private space industry. But she says NASA is still too focused on using its moon programme to provide jobs for US workers FeaturesSubscriber-only