Crystal is one-way street for microwaves - tech - 12 October 2009 - New Scientist"like a valve for light - the first material that transmits electromagnetic radiation in one direction only." A PHOTONIC CRYSTAL. I bet that's in a bad 50s sf novel somewhere.
(tags:
sci tech )
God is not the Creator, claims academic - Telegraph"Professor Ellen van Wolde, a respected Old Testament scholar and author, claims the first sentence of Genesis "in the beginning God created the Heaven and the Earth" is...
Published on October 12, 2009 09:00