Hello guys, allow me to share to you a free magazine from NASA Tech Briefs. I can't believe it's free. Its really cool, they send me the first copy of my free monthly subscription. The magazine was offered free by Associated Business Publications International to USA, Canada, Mexico, and some selected international. You can subscribe it here: http://mathalino.tradepub.com/free/nasa/" Here is how the publisher describe this magazine: Good luck and enjoy reading.